** Description changed:
Binary package hint: xorg
Steps to reproduce:
1- Open the Monitors control panel.
2- Choose a different resolution and orientation (we use 640x480 upside down).
3- Press Apply.
4- Select Restore original configuration to return to how things were
x220 seems to be also affected by this. I walked Chris Kenyon on how to
do the work around and seems to have improve the problem a lot
** Description changed:
Binary package hint: xorg
Steps to reproduce:
1- Open the Monitors control panel.
2- Choose a different resolution and
can we bump this bug to critical? with 35 people affected and 17 systems
, it seems odd it is not the highest possible priority
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Title:
Display
This is the most important bug blocking certification, and it affects a lot of
systems.
It would definitely have more me toos (although it already has 36), but not
everybody uses external monitors on a daily basis.
But this is critical to fix in Natty, as it will affect a lot of people trying
I dont know how to report or diagnose, but i think it can be related to
this bug: Every time my screen got blanked, almost all times i get
garbage on screen. System works well, and even killing everything
(Except X) and running unity --replace, i cant get my screen back. If i
plug a external
UPDATE: I cant get again my screen back if i press CRT/LCD button to
cycle again to LCD only and force resolution change. Maybe something
with this?
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** Changed in: unity
Milestone: 3.8.14 = 3.8.16
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Title:
Display garbled upon restoring original resolution or connecting
external displays
This also affects Lenovo G550 with Intel 4500 graphics chipset.
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Title:
Display garbled upon restoring original resolution or connecting
I am using Ubuntu 11.04 Natty on Lenove Thinkpad T400. The video chip is
Intel GM45. I have the same problem when connect to external monitor.
And since I need to move between workplace and meeting rooms frequently,
it becomes even bad for me.
Screenshot.png
My unity version is 3.8.12
dove@bash-4.2$ unity --version
unity 3.8.12
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Title:
Display garbled upon restoring original resolution or connecting
David, for now try downgrading to unity 3.8.10 as described in comment
#34.
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Title:
Display garbled upon restoring original resolution or
@David
A few updates... I updated back to 3.8.12 and ran a few more tests...
1. If my external monitor is connected before I login, everything seems
to work OK. It's only if I plug in the external monitor while already
logged in that the problems occur.
2. When I plugin the monitor while
@Tony Espy, thanks for posting that workaround, downgrading worked for
me too on my Dell 1545.
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Title:
Display garbled upon restoring original
I think this bug is also biting me.
I installed the final 11.04 on my Thinkpad 410s ( Arrandale / Intel(R)
Core(TM) i5 M 520 w/UMA graphics ), and my external monitors both at
home and in the office worked just fine as extended desktops. Since I
bought it, this has been the first Ubuntu laptop
Hmm, the window is /invisible/ when you drag it onto the external
monitor, but can you see it's there by typing something or popping up
a context menu for example, ie something that would reveal the window is
positioned properly, but just not visible or at the right order in the
stack?
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You
change:
Code:
cvt 1280 1024 60
xrandr --newmode 1280x1024_60.00 109.00 1280 1368 1496 1712 1024
1027 1034 1063 -hsync +vsync
xrandr --addmode VGA-0 1280x1024_60.00
xrandr --output VGA-0 --mode 1280x1024_60.00
http://www.imagepost.ru/?v=zdskvaaennronsxqkhhkgpmlatdojx.png
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Hello,
I hope this can provide more info to help you.
If I can help in any way - like providing more info from tests - just let me
know.
I have a lenovo x201 with intel graphics card.
I use an external display at work.
I had Ubuntu 10.10 and the external display was working in an acceptable
** Changed in: unity
Milestone: 3.8.12 = 3.8.14
** Changed in: unity
Status: Fix Released = Confirmed
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Title:
Display garbled upon
I am affected by this also. I can confirm that reverting to Unity
3.8.10-0ubuntu2 fixes the problem.
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Title:
Display garbled upon restoring
Confirm the bug here on an Acer Travelmate 6292 (Santa Rosa Platform)
with Intel GMA using unity version 3.8.12-0ubuntu1.
Toggle through the Display States with the FN -Key (here FN-F5) really
weird things happen.
The Top-Panel is OK, then there is a black area some 50 Pixel high then the
Rest
Using unity version 3.8.12-0ubuntu1 from natty-updates I still
experience this bug (blank / black spot in desktop) when rotating my
display.
** Tags added: verification-failed
** Tags removed: verification-needed
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I've seen corruption after rotating or resizing the desktop with both
fglrx and the radeon driver on all my test systems. The corruption goes
away once the affected elements on the screen are redrawn in response to
user actions such as opening menus or moving windows. I suspect this is
the same
bug #776875 might be due to this fix
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Title:
Display garbled upon restoring original resolution or connecting
external displays
--
I couldn't reproduce the problem with unity 3.8.10-0ubuntu2 but now I
can with 3.8.12-0ubuntu1. When I enable my external display with the
following commands, I see a number of artifacts, presumably from
chromium , even though chromium is not in use:
xrandr --output DVI-0 --primary
xrandr
This is what I see when I first enable the external output
** Attachment added: tv1.jpg
https://bugs.launchpad.net/unity/+bug/753971/+attachment/2108637/+files/tv1.jpg
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A click on the background alters the artifact
** Attachment added: tv2.jpg
https://bugs.launchpad.net/unity/+bug/753971/+attachment/2108638/+files/tv2.jpg
** Changed in: unity (Ubuntu Natty)
Status: Fix Released = Confirmed
** Changed in: unity (Ubuntu)
Status: Fix Released =
Further clicks on the background cause the attached change
** Attachment added: tv3.jpg
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753971/+attachment/2108644/+files/tv3.jpg
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Pressing the super key to get the dash to show up on the first screen,
causes the right side of the screen to be updated and some of the
corruption goes away
Note: this is with the open source radeon driver
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Reverting the following commit solved the problem here:
http://bazaar.launchpad.net/~unity-team/unity/trunk/revision/1181
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Title:
Display garbled
This bug was fixed in the package unity - 3.8.12-0ubuntu1
---
unity (3.8.12-0ubuntu1) natty-proposed; urgency=low
* New upstream release.
- Display garbled upon restoring original resolution or connecting external
displays (LP: #753971)
- migrate_favorites.py crashed
Copied to oneiric as well.
** Changed in: unity (Ubuntu)
Status: Fix Committed = Fix Released
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Title:
Display garbled upon restoring
** Changed in: unity
Status: Fix Committed = Fix Released
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Title:
Display garbled upon restoring original resolution or connecting
** Branch linked: lp:~ubuntu-desktop/unity/ubuntu
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Title:
Display garbled upon restoring original resolution or connecting
external displays
@Daniel: can you confirm that the bug is fixed, using the test packages
soon to be available in: https://launchpad.net/~unity/+archive/ppa
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Title:
** Description changed:
Binary package hint: xorg
Steps to reproduce:
1- Open the Monitors control panel.
2- Choose a different resolution and orientation (we use 640x480 upside down).
- 3- Press Apply.
+ 3- Press Apply.
4- Select Restore original configuration to return to how
Accepted unity into natty-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Tags added: verification-needed
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Title:
Display garbled upon restoring original resolution or connecting
external displays
--
Hi all,
Apologies for the delay testing this.
First, without upgrading, I reproduced the bug by changing resolution
to 800x600, waiting 5 seconds, and switching back up to 1366x768. With
the OLD version of Unity, the bug still occurs as reported.
Then I used the ppa to upgrade unity and libnux
This update is particularly in response to JayTaoko's comment #21
regarding the fact that the fix was not tested on a multi-monitor setup.
The original problem was observed also when plugging in an external
display to the laptops. I tested this and here are the results.
I first checked the
** Attachment added: c-1545-with-external-connected-super-a.JPG
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753971/+attachment/2091727/+files/c-1545-with-external-connected-super-a.JPG
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** Attachment added: b-1545-with-external-connected-external-display.JPG
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753971/+attachment/2091726/+files/b-1545-with-external-connected-external-display.JPG
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** Attachment added:
d-1545-with-external-connected-after-dismissing-super-a.JPG
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753971/+attachment/2091728/+files/d-1545-with-external-connected-after-dismissing-super-a.JPG
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** Attachment added: e-1545-with-external-connected-after-a-while.JPG
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753971/+attachment/2091729/+files/e-1545-with-external-connected-after-a-while.JPG
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Thanks for the quick feedback Daniel. I guess the next step is for Jay
to try to analyze the problem directly at the office, to see what's
wrong with the different elements.
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This is indeed the bug that was affecting me earlier this week.
I'll see if the update in natty-proposed fixes the issue.
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Title:
Display
A fix has been pushed in Unity rev 1181. This should fix the bug on
Intel and ATI GPUs (open source driver). However there are still issues
with NVidia GPUs; this is an issue with the NVidia driver that should be
addressed separately.
** Changed in: unity
Status: Confirmed = Fix Committed
On Tue, Apr 26, 2011 at 10:35:31PM -, Jay Taoko wrote:
A fix has been pushed in Unity rev 1181. This should fix the bug on
Intel and ATI GPUs (open source driver). However there are still issues
with NVidia GPUs; this is an issue with the NVidia driver that should be
addressed separately.
@Bryce
I should have mentioned that what is fixed is the single monitor version of the
problem. I cannot currently test on a multi-monitor setting.
What we have is a fix. We were able to isolate a few synchronization
issues between the display, compiz and the rendering that were causing
** Changed in: unity (Ubuntu Natty)
Milestone: ubuntu-11.04 = natty-updates
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Title:
Display garbled upon restoring original resolution or
Unity relies on Compiz to handle resolution changes and as you may have
noticed, Unity resizes itself correctly. As for the scrambled display, there
need to be tighter synchronization between the driver, X and Compiz/Unity to
ensure smooth and clean transitions between modes.
We a have a
We have located a desktop system that's affected by this problem, with
an ATI Radeon card. This system is set up in one of Canonical's hardware
testing labs, and so is available for testing, and it can be accessed
via a networked KVM so testers can have an actual, live view of the
system's
** Changed in: unity
Assignee: (unassigned) = Jay Taoko (jaytaoko)
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Title:
Display garbled upon restoring original resolution or connecting
We have assigned an engineer to look at a solution for the problem.
This bug didn't have a critical status attached to it, which means that
I haven't considered that a release blocker so far.
I understand that the problem has since then been re-confirmed as being
a high priority bug, but not a
is that still an issue in the current version?
Kate, that bug affects one user and has no duplicate, is there any
reason it should be a natty blocker? there are quite some other issues
still on the dx list
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@Sebastien:
I just re-tested this with the daily image from 2011-04-18 and the issue
is still present.
Also, comment #3 has a list of affected systems, there are quite a few,
and these are in Canonical's Hardware Certification lab, so it's highly
likely that the problem is present in the field.
ok, sorry I just received the comment by email once dx with assigned to
the bug and didn't read the backlog, I can't confirm there using an
external monitor on a latitude system with an intel card, are those
config all using similar graphical chipsets?
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** Changed in: unity
Importance: Undecided = High
** Changed in: unity
Milestone: None = 3.8.12
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Title:
Display garbled upon restoring
Hi,
The reasons for marking this as a certification blocker are three-fold:
1- This is a blocker for laptops and netbooks where plugging it to an external
display is a common use case.
2- Although the workaround is simple, it's also not very obvious, and it's
bound to leave users quite
** Changed in: unity (Ubuntu Natty)
Assignee: Canonical Platform QA Team (canonical-platform-qa) = Canonical
Desktop Experience Team (canonical-dx-team)
** Changed in: unity (Ubuntu Natty)
Milestone: None = ubuntu-11.04
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** Changed in: unity
Status: New = Confirmed
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Title:
Display garbled upon restoring original resolution or connecting
external displays
Bryce - I suspect this is the same bug as 733594.
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Title:
Display garbled upon restoring original resolution or connecting
external displays
Hi Brian and Bryce, thanks so much for looking at this problem.
Here's what I found (using Bryce's letters):
c. The problem still appears if I use xrandr to switch to another
resolution (say 1024x768) and then back to the default (1366x768). So
apparently no problem with
Bryce, I completed the table with the systems we tested, I'm indicating
whether it's affected by the problem or not, I'm also noting the model
number, the driver as obtained from Xorg.log, and the VGA card as
identified by lspci. It's in HTML because it was too unwieldy to be
handled in text-only
On Wed, Apr 13, 2011 at 09:40:30PM -, Daniel Manrique wrote:
Bryce, I completed the table with the systems we tested, I'm indicating
whether it's affected by the problem or not, I'm also noting the model
number, the driver as obtained from Xorg.log, and the VGA card as
identified by lspci.
And like Brian points out, it could be a dupe of or related to bug
733594.
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Title:
Display garbled upon restoring original resolution or
This is affecting quite a lot of systems in our labs. Can you guys have
a look to it?
** Changed in: xorg-server (Ubuntu)
Importance: Undecided = High
** Changed in: xorg-server (Ubuntu)
Assignee: (unassigned) = Canonical Platform QA Team
(canonical-platform-qa)
** Also affects:
I was able to recreate this using the steps provided, however only when
running Unity. When I was running the Classic Desktop there was no
corruption. You indicated that this only happened on systems. Are they
all running unity like the one this bug was reported from?
** Changed in:
Thanks, here's diagnostics that would be helpful:
a. For all systems (both working and non-working) please tabulate the
following:
* Does it exhibit the issue, or no
* What is the PCI ID of the graphics card. I.e.: output of ` lspci -vvnn |
grep 'VGA ' `
* What video driver is in use.
** Tags added: regression
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Title:
Display garbled upon restoring original resolution or connecting
external displays
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** Package changed: xorg (Ubuntu) = xorg-server (Ubuntu)
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Title:
Display garbled upon restoring original resolution or connecting
external
** Tags added: blocks-hwcert
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Title:
Display garbled upon restoring original resolution or connecting
external displays
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** Attachment added: Example of garbled screen, grabbed via PrntScrn key
https://bugs.launchpad.net/bugs/753971/+attachment/1996557/+files/problem2.png
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** Attachment added: Another example of a corrupted screen, same system (Dell
Inspiron 1545)
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/753971/+attachment/1996583/+files/problem1.png
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Affected systems include:
Sony VGN-Z540
Dell Inspiron 1545
Dell Vostro 3300
Dell Vostro 3500
Dell Vostro 3700 (2 affected systems)
Dell Latitude 2110
Dell Latitude 13
Dell Vostro 3400
Dell Vostro V13 (2 affected systems)
Toshiba Tecra R700
HP ProBook 6550b
Toshiba Tecra R850 (Intel)
Toshiba Tecra
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