** Changed in: xorg-server
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/717114
Title:
[i945gm] Screen Corruption with new Xorg stac
Closing as fixed since the linux task is closed, and has been validated
by several people.
If others are still seeing text corruption issues, it's likely there is
are multiple rendering bugs going on, or else that there is something
hardware-specific going on. In either case, best next action for
I am also running 2.6.38-7.35lp717114v201103180831 and experiencing as
many graphics glitches as before. Most are font-related, although some
also affect large swatches of the screen. This primarily seems to
affect me when running the latest firefox 4.0 beta, but the bug is never
seen when runnin
Should I open a new bug report for my font issues or should we continue
in this bug?
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Title:
[i945gm] Screen Corruption w
This bug was fixed in the package linux - 2.6.38-7.36
---
linux (2.6.38-7.36) natty; urgency=low
[ Andy Whitcroft ]
* Revert "SAUCE: KLUDGE: work around failed 'shrink-wrap' compiler
optimisation"
* purge last vestiges of maverick
* [Config] switch CONFIG_FB_VESA back to
I tested linux 2.6.38-7.35lp717114v201103180831, but I still experience
font glitches (examples from Evolution attached).
** Attachment added: "font-glitch1.png"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/717114/+attachment/1917386/+files/font-glitch1.png
--
You
** Attachment added: "font-glitch2.png"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/717114/+attachment/1917387/+files/font-glitch2.png
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** Tags added: iso-testing
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Title:
[i945gm] Screen Corruption with new Xorg stack with terminal programs
___
Both versions of the patched kernel fixed the corruption issue wherever
I was experiencing it.
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Title:
[i945gm] Screen Co
It seems that the initial fix was triggering some stalls, upstream has
produced an updated patch. Could those of you affected please test the
newest kernel at the url below. Please report any testing back here:
http://people.canonical.com/~apw/lp717114-natty/
Thanks!
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On Thu, Mar 17, 2011 at 03:59:43PM -, Stefano Rivera wrote:
> I also can't reproduce Simon's corruption in unity.
Talking to upstream this is likely a hardware generation specific
corruption which is similar to but unrelated to this bug/fix. That one
is a userspace fix apparently.
-apw
--
Also makes a massive difference for me. I haven't seen any corruption.
Tested the usual triggers: gnome-terminal scrolling / curses, notify-osd
on top of video, slashdot.org.
I also can't reproduce Simon's corruption in unity.
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Andy
I see massive improvement, i cannot reproduce in terminal or slashdot/firefox
yet. However i was able to get the problem to manifest when clicking between
files+folders and applications in unity launcher (see attached)
$ uname -a
Linux starpc29a 2.6.38-7-generic #35lp717114v201103171030 SMP
Ok I ahve built some test kernels with a proposed fix applied. Could
those of you who are seeing this try out the kernels below and let us
know how they fair. The kernels are at the URL below. Please report
any testing back here:
http://people.canonical.com/~apw/lp717114-natty/
Thanks!
**
Ok confirmed that reverting 6bda10d152735c22baf1dcd92937420b4b0a359a
does resolve the corruption we see in terminal windows (for me at least)
but it simply moves the corruption elsewhere. With the revert the
corruption it is intended to resolve is back, mostly manifesting as bad
icons on the deskt
On my system there are font glitches (screenshot attached), but they are
not as heavy as in the other screenshots.
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
System: Up-to-date natty with li
** Attachment added: "thunderbird_corruption.png"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/717114/+attachment/1899580/+files/thunderbird_corruption.png
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I'm also seeing this in Thunderbird, my card is:
dermot@jesusboots:~$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller (rev 03)
First time adding anything to a bug report so forgive me if I've left
off anyth
For completeness, in addition to terminal and slashdot, i also experience it
with Unity (screenshot attached - see corruption in top right near to mouse
pointer).
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated
Graphics Controller (rev 02)
** Attachment added: "screen
** Tags added: regression-release
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Title:
[i945gm] Screen Corruption with new Xorg stack with terminal programs
** Changed in: linux (Ubuntu Natty)
Milestone: natty-alpha-3 => ubuntu-11.04-beta-1
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Title:
[i945gm] Screen Corruptio
** Changed in: xorg-server
Status: Unknown => Confirmed
** Changed in: xorg-server
Importance: Unknown => Critical
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https://bugs.launchpad.net/bugs/7171
I've forwarded this bug upstream to
http://bugs.freedesktop.org/show_bug.cgi?id=34584 - please subscribe
yourself to this bug, in case they need further information or wish you
to test something.
Since Stefano git bisected down to a specific kernel tree commit (thanks
bunches Stefano!) it seems sa
** Changed in: xserver-xorg-video-intel (Ubuntu Natty)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Triaged
** Also affects: xserver-xorg-video-intel (Ubuntu Natty)
Importance: Medium
Status: Triaged
** Changed in: xserver-xorg-video-intel (Ubuntu Natty)
Milestone: None => natty-alpha-3
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** Tags added: corruption
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Title:
[i945gm] Screen Corruption with new Xorg stack with terminal programs
Just ran a bisection, and it pinpoints
6bda10d152735c22baf1dcd92937420b4b0a359a
commit 6bda10d152735c22baf1dcd92937420b4b0a359a
Author: Chris Wilson
Date: Sun Dec 5 21:04:18 2010 +
drm/i915: Completely disable fence pipelining.
I'm still seeing tiling corruption of PutImage an
Not present in .37. Present without compiz.
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Title:
[i945gm] Screen Corruption with new Xorg stack with terminal programs
btw, the gnome-panel drop down reliably triggers this bug.
no symptoms on .37
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Title:
[i945gm] Screen Corruption with ne
no prob, thanks for the extra data.
So, at this stage, assuming that apw, stefano, kees, and eric are all
seeing roughly the same bug, taking all their observations into account,
the picture starts to look like this:
It appears there was a regression introduced with the introduction of
the 2.6.38
@Bryce:
> Unless Stefano also sees it with web browsers
Just caught one now with Firefox on slashdot (first try).
> It looks like you're running compiz.
Indeed. The first time I reported this, I was using Unity, but I'm back
to GNOME with Compiz. Unity drives me nuts (and I feel blind without m
I see this also sometimes with--
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME
Express Integrated Graphics Controller (rev 03)
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00:02.0 VGA compatible controller: Intel Corporation 82Q35 Express
Integrated Graphics Controller (rev 02)
Attached is what I'm seeing, same as the original reporter's screenshot
and apw's. I've seen the firefox corruption too, but much less
frequently.
** Attachment added: "text-corruption.png"
Posting this here for completeness and in preceding a spin-off bug
report.
** Attachment added: "slashdotcorruption.png"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/717114/+attachment/1857177/+files/slashdotcorruption.png
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I also can't reproduce it, on a GM45; this suggests that it's restricted
to pre-i965 class hardware (or gen < 4).
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Title:
What apw sees: http://people.canonical.com/~apw/misc/corruption.png
I've still be unable to reproduce it, either with or without
compiz/unity, with xterm, gnome-terminal, firefox, etc. on -ati with a
RV770.
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apw may have this same bug, he adds some of his observations:
i'd say its improved, is less reproducible recently
bryceh, i assume you know what it looks like. i have it right now in a
wndow where scrolling down one shows it, one more and its ok again and
reversing through the same 3 lines se
Okay, now to some questions... Stefano can you please try the
following:
1. It looks like you're running compiz. Try turning off compiz (from
login screen select Classic Desktop - no effects). If the corruption
goes away after that, then I'm guessing a mesa/compiz 3d rendering bug.
If it's sti
@kees, I'd like you also to post a photo or screenshot here, even if
you're certain it's a dupe. If it is the same bug it might give some
added context.
Come to think of it, it might be useful if you could also run 'ubuntu-
bug xorg' to create a new bug report and dupe it to this one, in case
the
@Eric, hmm. Unless Stefano also sees it with web browsers, my
preference would be to handle this as a terminal specific bug (we also
have bug #718339 and bug #713440 about terminal-related corruptions,
although both seem distinct from this bug). It's also easily
conceivable that there is a termin
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