I am no longer experiencing any screen corruption, either at the desktop
or the launcher. So this bug appears to be fixed for me. I also
changed to running the Nvidia Version-Current drivers (not the post-
release driver). Not sure if this is part of the fix but everything
looks good now.
--
** Also affects: compiz
Importance: Undecided
Status: New
** Summary changed:
- Screen corruption when resuming from suspend/hibernate
+ Unity Launcher corruption when resuming from suspend/hibernate
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** Changed in: unity (Ubuntu)
Status: Confirmed = Fix Released
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Title:
Screen corruption when resuming from suspend/hibernate
To manage
@Omar How can you set this to fix released if it is not completely
fixed? There is still an issue that affects both Natty and Oneiric with
corruption of the launcher bar.
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Right.
The whole-screen corruption in oneiric was fixed, but I still have artifacts in
the place where the launcher should be, which go away once I hover over the
left and the launcher appears.
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Or maybe we could open a new bug, actual description of this is a bit
inaccurate.
And as far as I know, the actual bug (corruption of launcher area) has to be
addressed to Nvidia upstream.
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@Jacopo I don't think a new bug should be opened because there are a lot
of people signed up for this bug and I can imagine they all use the
nvidia propriety driver and experience the same issue. Also reviewing
the history of this bug it seems that from comment #13 onwards it had
solidified into
I thought it was clear from above that it's NOT an Nvidia issue but
rather a Compiz problem. Let's not mix things here. If there was a
problem with Nvidia, Gnome-Shell, Kwin and all the rest would have the
same corruption problem.
On Thu, Sep 29, 2011 at 8:09 PM, Cas 676...@bugs.launchpad.net
** Changed in: unity (Ubuntu)
Status: Fix Released = Confirmed
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Title:
Screen corruption when resuming from suspend/hibernate
To manage
This seems to have resolved the corruption issues for me -- I've
suspended/resumed many times, with no corruption.
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Title:
Screen corruption
The full desktop corruption has been resolved however the corruption of
the launcher bar is still occurring which I think returns this bug to
the original reported problem.
I would now rate this bug as low/medium as you can mouse over the
launcher causing a refresh and the corruption to
I am having the same experience as Cas. Agree with low/medium rating as
work around is easy to manage.
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Title:
Screen corruption when resuming
** Changed in: unity
Status: Fix Committed = Fix Released
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Title:
Screen corruption when resuming from suspend/hibernate
To manage
** Branch linked: lp:~ubuntu-desktop/unity/ubuntu
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Title:
Screen corruption when resuming from suspend/hibernate
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This bug was fixed in the package unity - 4.18.0-0ubuntu1
---
unity (4.18.0-0ubuntu1) oneiric; urgency=low
* New upstream release.
- Screen corruption when resuming from suspend/hibernate (LP: #676166)
- unity-panel-service crashed with SIGSEGV in
** Changed in: unity
Milestone: None = 4.18.0
** Changed in: nvidia-graphics-drivers (Ubuntu)
Milestone: ubuntu-11.10 = None
** Changed in: unity (Ubuntu)
Milestone: None = ubuntu-11.10
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For those experiencing this bug, here's an easier work-around when
coming out of suspend:
Press Alt-F2 and type compiz --replace and press Enter. That will get
rid of the corruption and let you continue using your programs.
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Turned out it was in fact a bug in Unity. This is what was discovered:
An FBO texture is being corrupted: this texture belongs to the
drag-and-drop full-screen input window [1], a fullscreen window which is
supposed to be transparent, but whose texture is never redrawn after
it's created,
It's nice that this has been finally pinned down. Let's hope there will
be an update in due time, too. :)
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Title:
Screen corruption when resuming
Thanks a lot for the fix and also the explanation.
I have another question however: Why does unity need a fullscreen
texture (1280x800x4 bytes) at all for this invisible window. Does this
contribute to the high memory usage of unity? Isnt it better to just
create geometry (for the events and
It doesn't need it and will be removed when someone gets the chance (the
toolkit creates teh texture to go with the input window, so we would
have to bypass the toolkit for this)
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** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Triaged = Invalid
** Changed in: unity (Ubuntu)
Status: Triaged = Fix Committed
** Changed in: unity
Status: Invalid = Fix Committed
** Changed in: unity (Ubuntu)
Assignee: (unassigned) = Jason Smith (jassmith)
** Changed in: nvidia-graphics-drivers (Ubuntu)
Milestone: None = ubuntu-11.10
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Title:
Screen corruption when resuming from suspend/hibernate
Still here for me too.
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Title:
Screen corruption when resuming from suspend/hibernate
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OK, it seems intermittant for me. I just resumed this morning to
corruption.
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Title:
Screen corruption when resuming from suspend/hibernate
To
Ok, I've suspended and resumed several times now, and I get initial
weirdness, but then everything comes back. Is anyone else seeing this,
or just me?
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For me the issues still persist. Resuming from suspend or hibernation is
still messed up...
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Title:
Screen corruption when resuming from
@apoapo: Yeah, I wouldn't call my card old yet (2 years, hello?) and I
was happy in Natty that I got suspend working reliably at all. Now I'm
back to 2003. ;)
@nighthawk-uk: I see those issues too, when switching to dual-monitor
setup, but they disappear after waiting for a bit and switching
A temporary workaround is to run the command (or create a little
launcher in the Unity panel) DISPLAY=:0.0 compiz --replace which
replaces compiz and fixes the screen image. FWIW the corruption only
appears on my main screen (I use twin view and a separate instance of
compiz on Screen 1 along
@ David Barth
If it is nvidia-specific, this bug should occur in Gnome-Shell session too,
right ?
In my opinion, this could be a compiz-related bug (since G-S runs on mutter).
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@Jacopo: I think that's accurate. Given that this seems to only affect
unity, I don't think it has anything to do with the nvidia driver
itself.
At this point I've stopped using unity and only use gnome-shell.
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I am having the same problem with 11.10 beta.
Using macbook 6.2 with nvidia proprietary driver
---
Kernel: 3.0.0-11-generic #18-Ubuntu SMP Tue Sep 13 23:38:01 UTC 2011 x86_64
x86_64 x86_64 GNU/Linux
NVIDIA Driver Version: 280.13
Graphics Processor: GeForce GT 330M
CUDA
I saw a comment that stated that nvidia fixed something in their driver to make
gnome shell work. That developer said that nvidia could include such a fix (or
workaround?) for unity aswell. I lost the source unfortunately.
So this is somehow nvidia related..
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@Felux The same driver, 280.13, works pretty much fine with Unity on
Natty so how does that fit into the equation.
I find it astonishing that for a beta release of Oneric there are major
bugs that mean I cannot use Oneiric with my nvidia laptop and 2 external
monitors when compared with the same
Weird...So I just resumed from suspend, expecting my desktop to be
corrupt like usual (I was using unity at the time)...but this time it
wasn't. When it came out of suspend, I saw the desktop come up
immediately, then fade out to the login screen (I did see corruption in
the top bar as it was
This is indeed very serious and should be fixed asap. Imagine you are
working on an document, leave the application open and suspend your
machine. Then you come back and the desktop is no longer accessible
because you simply cannot see where to click. How can you try and save
that doc to, lets
I really hope this issue isn't going to last as long as the old nvidia gfx card
one with natty.. Nearly the whole release cycle natty was without nvidia
support for old nvidia cards.
Now it looks like oneiric won't support nvidia at all. (Loosing my screen
during standby/hibernate and while
For me the screen corruption also occurs after changing the screen
resolution, not just when resuming from suspend / hibernation.
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Title:
Screen
My whole desktop is pixelated when coming out of suspend... see screen
photos attached.
** Attachment added: SDC11848.JPG
https://bugs.launchpad.net/unity/+bug/676166/+attachment/2410912/+files/SDC11848.JPG
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Here's some interesting info...If I suspend and resume while using
gnome-shell, everything comes back perfectly -- no screen corruption.
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@Cory: I know. What I don't know is how come they dismiss this bug as
Invalid. So, it's not exactly Nvidia specific. It's rather
Nvidia+Unity, which affects Unity desktop. If Unity developers won't
implement a workaround, then at least someone should coordinate with
Nvidia to fix the problem. And
Agreed. if I cannot suspend and resume quickly and cleanly, things are pretty
much unworkable. Back to Natty.
Can't comment on whether the bug is invalid or not, but it is certainly
unacceptable.
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Talking with Jason, the bug is confirmed to be really nvidia specific,
and the only safe workaround from a unity perspective is to restart the
window manager to ensure textures AND GL windows are properly
reassigned/reallocated.
That's outside of unity's scope - marked invalid.
** Changed in:
** Changed in: nvidia-graphics-drivers (Ubuntu)
Assignee: Chris Halse Rogers (raof) = Alberto Milone (albertomilone)
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Title:
Screen
** Summary changed:
- Screen corruption when resuming from suspend
+ Screen corruption when resuming from suspend/hibernate
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Title:
Screen
** Changed in: unity
Importance: Medium = Critical
** Changed in: nvidia-graphics-drivers (Ubuntu)
Importance: Medium = Critical
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