[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-04-16 Thread Daniel van Vugt
** Changed in: mutter (Ubuntu Noble)
   Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Released

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-31 Thread Daniel van Vugt
The above issue is being tracked in bug 2059847.

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-30 Thread Egmont Koblinger
Another most likely duplicate: https://github.com/gnome-
terminator/terminator/issues/899

And yet another most likely duplicate:
https://bbs.archlinux.org/viewtopic.php?id=294164. Here a user claims
that downgrading gnome-shell and mutter fixes the issue, and points to
upstream issue https://gitlab.gnome.org/GNOME/mutter/-/issues/3384.

Based on that report, some non-VTE-based apps are also affected.

It really looks like the bug is in upstream Mutter, and made it into
downstream updates as well.

** Bug watch added: github.com/gnome-terminator/terminator/issues #899
   https://github.com/gnome-terminator/terminator/issues/899

** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #3384
   https://gitlab.gnome.org/GNOME/mutter/-/issues/3384

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Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-30 Thread Egmont Koblinger
During the last barely more than 24 hours, at least 4 people have
reported/confirmed heavy latencies newly appearing in their GNOME
Terminal. One person with Ubuntu 23.10 and two people with Ubuntu 22.04
(one of which comments has just been removed).

https://gitlab.gnome.org/GNOME/gnome-terminal/-/issues/8070

https://askubuntu.com/questions/1509058/input-delay-on-terminal-
ubuntu-22-04-4

GNOME Terminal, and its underlying VTE terminal emulator widget, did not
receive any updates recently in Ubuntu, so it's highly suspected that
the bug sneaked in into some other component (or maybe a valid change in
some other component triggered a yet undiscovered bug in VTE / GNOME
Terminal).

Even though I cannot reproduce the issue myself, I went through the log
of my recent apt updates, and this mutter change is the only one
seemingly relevant (see https://gitlab.gnome.org/GNOME/gnome-
terminal/-/issues/8070#note_2067801 onwards); in fact, the summary
showing a suspiciously high correlation with the new problem.

At this point I don't have anything concrete, and it might just be a
random coincidence, but I highly suspect that this recent mutter update
introduces severe lagging in GNOME Terminal (and other terminal
emulators using VTE's GTK3 version).


** Bug watch added: gitlab.gnome.org/GNOME/gnome-terminal/-/issues #8070
   https://gitlab.gnome.org/GNOME/gnome-terminal/-/issues/8070

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-27 Thread Launchpad Bug Tracker
This bug was fixed in the package mutter - 42.9-0ubuntu7

---
mutter (42.9-0ubuntu7) jammy; urgency=medium

  * Add build-Set-built-headers-as-libmutter_dep-sources.patch to prevent
occasional build failures depending on parallelism (LP: #2055530)
  * Add cogl-gl-framebuffer-Fix-inverted-test-in-ensure_bits_init.patch to
fix test failures in mutter:cogl+cogl/conform / framebuffer-get-bits
when Mesa >= 23.1.1 (LP: #2055519)

mutter (42.9-0ubuntu6) jammy; urgency=medium

  [ Kai-Heng Feng ]
  * Fix mirror mode on reduced blanking panel. (LP: #2051074)

  [ Daniel van Vugt ]
  * Add compositor-x11-Sync-again-at-the-end-of-before_paint.patch
to fix incomplete redraws in X11 virtual machines (LP: #2054510)
  * debian/control.in: Stop automatically reverting to the old uploaders.

 -- Daniel van Vugt   Fri, 01 Mar 2024
17:47:40 +0800

** Changed in: mutter (Ubuntu Jammy)
   Status: Fix Committed => Fix Released

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-27 Thread Launchpad Bug Tracker
This bug was fixed in the package mutter - 45.2-0ubuntu4

---
mutter (45.2-0ubuntu4) mantic; urgency=medium

  [ Kai-Heng Feng ]
  * Fix mirror mode on reduced blanking panel. (LP: #2051074)

  [ Daniel van Vugt ]
  * Add compositor-x11-Sync-again-at-the-end-of-before_paint.patch
to fix incomplete redraws in X11 virtual machines (LP: #2054510)

 -- Daniel van Vugt   Thu, 22 Feb 2024
16:32:33 +0800

** Changed in: mutter (Ubuntu Mantic)
   Status: Fix Committed => Fix Released

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Released
Status in mutter source package in Mantic:
  Fix Released
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-27 Thread Chris Halse Rogers
Yes, please make sure the flaky tests are marked as such in the
autopkgtests. SRUs are not released until either the test passes or the
package version is marked as badtest in the britney hints.

(A retry has caused it to pass on armhf)

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-26 Thread Daniel van Vugt
Sorry I only just figured out that comment #17 is about mantic, not
jammy.

https://ubuntu-archive-team.ubuntu.com/proposed-
migration/mantic/update_excuses.html#mutter

And the Debian fix I mentioned in comment #18 is actually in 44.8-1
onward *and* 45.2-2 onward. So mantic would get the fix for fullscreen-
maximize.test automatically if it was to receive an update to 45.3 or
even if it was rebased on 45.2-2.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-25 Thread Kai-Heng Feng
Thanks for the fix!

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-25 Thread Daniel van Vugt
Done: https://salsa.debian.org/gnome-
team/mutter/-/commit/1e2c8fedb0bcd293501420390c3bea48f9049301

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-24 Thread Daniel van Vugt
It can be put into the next mutter update but there is no reason to
delay the currently proposed update for it. This seems like a never-
ending problem that we're discovering old intermittent build failures in
an old GNOME release. We will fix them as they are discovered, but not
all of them need to be treated as blockers.

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-24 Thread Kai-Heng Feng
Should [0] be part of the SRU to avoid the test failure?

[0] https://salsa.debian.org/gnome-
team/mutter/-/commit/98302806f85ffe4cd67768fe63992ba32e77146a

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-21 Thread Daniel van Vugt
That test passed in the actual build:
https://launchpadlibrarian.net/719148617/buildlog_ubuntu-jammy-armhf.mutter_42.9-0ubuntu7_BUILDING.txt.gz

It is known to be a flaky test (moreso on Arm) and its failure is not related 
to the code changes here.
https://gitlab.gnome.org/GNOME/mutter/-/issues/3050

Other examples of the same test failing upstream:
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1441#note_1984247

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-21 Thread Andreas Hasenack
The test failure on armhf persists:

939s # Running test: mutter-13/fullscreen-maximize.test
940s # Executing: mutter-13/fullscreen-maximize.test
941s # FAIL: mutter-13/fullscreen-maximize.test (Child process exited with code 
1)
941s not ok - mutter-13/fullscreen-maximize.test

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-14 Thread Andreas Hasenack
There is an armhf DEP8 failure that I just retriggered, let's see if it
passes in the next run.

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-13 Thread Daniel van Vugt
Verified fixed on jammy using mutter version 42.9-0ubuntu7 and the test
plan in the bug description.

** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy

** Tags removed: verification-needed
** Tags added: verification-done

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-13 Thread Robie Basak
Hello Daniel, or anyone else affected,

Accepted mutter into jammy-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu7
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Tags removed: verification-failed-jammy
** Tags added: verification-needed-jammy

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-07 Thread Daniel van Vugt
That failing test case:

  1180s # FAIL: mutter-13/minimized.test (Child process exited with code
133)

is known to be flaky. I've seen it fail on unrelated changes upstream.
And it is indeed unrelated to these changes.

The rebuild has now succeeded:

  https://launchpad.net/ubuntu/+source/mutter/45.2-0ubuntu4

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-01 Thread Daniel van Vugt
Here's the fixes for jammy build failures in 42.9-0ubuntu6

** Patch added: "mutter_42.9-0ubuntu7.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2054510/+attachment/5751114/+files/mutter_42.9-0ubuntu7.debdiff

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-01 Thread Daniel van Vugt
Verified fixed on Mantic using Mutter version 45.2-0ubuntu4.

** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
- 3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
+ 3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

** Tags removed: verification-needed-mantic
** Tags added: verification-done-mantic

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-03-01 Thread Daniel van Vugt
Oh I see the issue with 'meta-enum-types.h'. It's generated at build
time and most likely someone forgot to declare dependencies on that. So
at random times, depending on how parallel your build is, it might not
be built before it gets included.

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe (or "Software 
Rendering"), and Windowing System = X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-29 Thread Daniel van Vugt
Mantic built OK, except on arm64 and armhf due to known flaky tests. We
can try rebuilding for those.

Jammy failed to build mostly due to a new bug 2055519 (unrelated to our
changes). So we should add a fix for that and roll a new version. amd64
also failed with "fatal error: meta/meta-enum-types.h: No such file or
directory", which I cannot reproduce locally. I can only reproduce bug
2055519 on jammy.

** Tags removed: verification-needed-jammy
** Tags added: verification-failed-jammy

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-29 Thread Daniel van Vugt
Stange. Jammy is failing to build for a reason unrelated to anything
that has changed since the last update:

In file included from ../src/backends/meta-backend-private.h:39,
 from ../src/backends/x11/meta-backend-x11.h:31,
 from ../src/backends/x11/nested/meta-backend-x11-nested.h:25,
 from ../src/tests/meta-backend-test.h:23,
 from ../src/tests/meta-backend-test.c:22:
../src/backends/meta-monitor-manager-private.h:41:10: fatal error: 
meta/meta-enum-types.h: No such file or directory
   41 | #include "meta/meta-enum-types.h"
  |  ^~~~
compilation terminated.

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-29 Thread Łukasz Zemczak
Hello Daniel, or anyone else affected,

Accepted mutter into jammy-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/mutter/42.9-0ubuntu6
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Jammy)
   Status: In Progress => Fix Committed

** Tags added: verification-needed-jammy

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-29 Thread Łukasz Zemczak
Hello Daniel, or anyone else affected,

Accepted mutter into mantic-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/mutter/45.2-0ubuntu4
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
mantic to verification-done-mantic. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-mantic. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Mantic)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-mantic

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Fix Committed
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-22 Thread Daniel van Vugt
Here's the mantic debdiff for both bug 2054510 and bug 2051074.


** Changed in: mutter (Ubuntu Mantic)
   Status: Triaged => In Progress

** Patch added: "mutter_45.2-0ubuntu4.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2054510/+attachment/5748404/+files/mutter_45.2-0ubuntu4.debdiff

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  In Progress
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-22 Thread Daniel van Vugt
Here's the jammy debdiff for both bug 2054510 and bug 2051074.

** Patch added: "mutter_42.9-0ubuntu6.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2054510/+attachment/5748381/+files/mutter_42.9-0ubuntu6.debdiff

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Tags added: regression-release

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
- This is a regression that started in 3.37.3 via 551101c65cda.
+ This is a regression that started in 3.37.3 due to
+ https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 due to
  https://gitlab.gnome.org/GNOME/mutter/-/commit/551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Tags added: udeng-1928

** Tags added: fixed-in-mutter-46.0 fixed-upstream

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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
Noble will get the fix automatically with mutter 46.0

Jammy is the next most important release (especially to the customer) and is 
under review here:
https://salsa.debian.org/gnome-team/mutter/-/merge_requests/120

** Tags added: jammy mantic noble

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Changed in: mutter (Ubuntu Jammy)
   Status: Triaged => In Progress

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  In Progress
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly. Avoid triggering any page scrolling.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
- 4. TODO
+ 4. sudo snap install chromium
+ 5. Open Chromium and find a web page with lots of text.
+ 6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly.
+ 7. Release the mouse button in roughly the middle of the area of text that 
was selected.
+ 8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
+ 9. Repeat steps 7 and 8 several times to be sure.
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
  This is a regression that started in 3.37.3 via 551101c65cda.

** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
- 5. Open Chromium and find a web page with lots of text.
+ 5. Open Chromium and find a web page with lots of text. Plain text without 
any links will work best.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
  This is a regression that started in 3.37.3 via 551101c65cda.

** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
- 5. Open Chromium and find a web page with lots of text. Plain text without 
any links will work best.
+ 5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
  This is a regression that started in 3.37.3 via 551101c65cda.

** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
- 5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best.
+ 5. Open Chromium and find a web page with lots of text. Plain text without 
any links and staying at the top of the page will work best because you don't 
want to trigger any scrolling.
  6. Start selecting text with the mouse and 

[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-21 Thread Daniel van Vugt
** Description changed:

  [ Impact ]
  
  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.
  
  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880
  
  [ Test Plan ]
  
- TODO: Figure out a minimal test plan that doesn't require modifying
- code.
+ 1. Set up a virtual machine without graphics acceleration.
+ 2. Log into 'Ubuntu on Xorg'.
+ 3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
+ 4. TODO
  
  [ Where problems could occur ]
  
  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync ring"
  in mutter used for this, and if a mistake occurs there then other parts
  of the desktop could appear to stop responding in Xorg sessions.
  
  [ Other Info ]
  
  This is a regression that started in 3.37.3 via 551101c65cda.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Triaged
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  1. Set up a virtual machine without graphics acceleration.
  2. Log into 'Ubuntu on Xorg'.
  3. Open Settings > About and verify Graphics = llvmpipe and Windowing System 
= X11.
  4. sudo snap install chromium
  5. Open Chromium and find a web page with lots of text.
  6. Start selecting text with the mouse and while holding the button move the 
mouse up and down rapidly.
  7. Release the mouse button in roughly the middle of the area of text that 
was selected.
  8. Verify the remaining text selection is contiguous and not broken into 
multiple disconnected text selections (the bug).
  9. Repeat steps 7 and 8 several times to be sure.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-20 Thread Bug Watch Updater
** Changed in: mutter
   Status: Unknown => Fix Released

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Triaged
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  TODO: Figure out a minimal test plan that doesn't require modifying
  code.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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[Desktop-packages] [Bug 2054510] Re: Incomplete screen redraws in virtual machines running Xorg

2024-02-20 Thread Daniel van Vugt
Fixed upstream in mutter 46:
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3590


** Changed in: mutter (Ubuntu Jammy)
   Status: New => Triaged

** Changed in: mutter (Ubuntu Mantic)
   Status: New => Triaged

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2054510

Title:
  Incomplete screen redraws in virtual machines running Xorg

Status in Mutter:
  Unknown
Status in mutter package in Ubuntu:
  Fix Committed
Status in mutter source package in Jammy:
  Triaged
Status in mutter source package in Mantic:
  Triaged
Status in mutter source package in Noble:
  Fix Committed

Bug description:
  [ Impact ]

  When using software rendering on Xorg (so usually just in VMs), some
  parts of app windows may fail to redraw.

  https://gitlab.gnome.org/GNOME/mutter/-/issues/2880

  [ Test Plan ]

  TODO: Figure out a minimal test plan that doesn't require modifying
  code.

  [ Where problems could occur ]

  The fix adds a new synchronization point between the compositor and X
  server. This should be inconsequential, although there is a "sync
  ring" in mutter used for this, and if a mistake occurs there then
  other parts of the desktop could appear to stop responding in Xorg
  sessions.

  [ Other Info ]

  This is a regression that started in 3.37.3 via 551101c65cda.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mutter/+bug/2054510/+subscriptions


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