This bug is still an issue for a few people and is still open here --
bug 976189
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https://bugs.launchpad.net/bugs/938658
Title:
[nvidia] Restoring minimized applications presents blank
*** This bug is a duplicate of bug 729979 ***
https://bugs.launchpad.net/bugs/729979
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 729979, so it is being marked as such. Please look
Ok! It took a while, but I've filed Bug #995659 . It's focused on the
Alt-` behavior.
Rainer, thank you for confirming that. And for reminding me that it's
clearer to call it Alt-` more than Alt-Grave. (You have to spell out
Alt-Tab, and I think that got me in that mindset.)
Anyone who sees
In-line with comment #56, I can confirm that the Alt-` (grave accent)
window switch produces a blank window several times in a row, while Alt-
Tab and maximizing by mouse works just fine.
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Another bug has been sucking up my bug-fixing time, but I still plan to
file a new one.
For now, the main thing I have noted: restoring minimized windows with
the Alt-Grave key is where I get blank windows. Restoring with the
mouse, or with plain Alt-Tab does not. Alt-Grave does not do it every
Didier, thanks for the guidance. I'll do that, and link the new bug in
the comments here. Maybe not today, but hopefully soon.
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Title:
[nvidia]
This could be a candidate for a Known Issues list, for 12.04.0. I'll
try to learn how that happens. Of course if we can't even get the bug
opened again right now, maybe that's wishful thinking. :)
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@Edward: I suggest that you open another bug report describing exactly
the condition for the remaining issues (quite a lot of noise in that bug
report). I'll then have a look at it and see if it can be worked for a
stable release update :)
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I've done some more testing on this, and found the following:
- Minimising windows go blank as soon as the button is clicked. (I have
slightly slower animations, so I can easily see this - it's pretty
gruesome).
- Restoring windows seem to go blank when the video memory is low
(around the
Scott, thank you -- boy, that is the smarter thinking I was wishing for.
I had just come back, to note that my attempts to get a well-focused bug
definition were falling apart. I actually tried to search for similar-
but-open bugs, just now, but Launchpad was timing out on searches. I
don't know
I'm still positive that my experiences and yours are related.
Furthermore, I find Scott's theory very interesting. I'm running Ubuntu
on a Samsung R710 laptop, my graphical memory is only 512MiB. I'm
getting these blank-outs quite often, especially when the whole system
is outmaxed.
I'm
Edward, somehow I must have missed your very long post adressing me, so sorry
for not answering earlier.
There was no offense taken, it's just that I'm still very new to this community
and haven't found my way around, yet.
My experience so far was that there already is a bug report (or even a
Thanks, FuzzyQ, and you're welcome, and, hey -- if we're a little off-
topic, I started it. :)
I want to note that, currently, the windows never show blank in the
spread view. Which I think they were, in my earlier round of symptoms,
and there were bug reports related to that, too.
So at the
I also get the blank windows now when maximizing with the keyboard
shortcut but i can't reproduce when using the mouse.I have a nvidia
geforce 210 with only 512mb and occasionally it's a little sluggish when
windows maximize etc.Does anyone know if i can mark this as not fixed?
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I can't seem to mark this as not fixed - all the options are greyed out.
Upon further testing, the blank windows when restoring a minimised
window (regardless of being maximised) seems to be being caused by the
animation. Since removing the animation on minimise/restore in the
plugin, it no
Thanks for testing again, Shayne. I think it's pretty common to re-open
bugs when necessary, and since you're seeing it too, I would definitely
change it. (Probably to 'Triaged'.)
I would change it myself, if Launchpad would let me. As the original
reporter, I think you can, and I think that's
I wish I knew the release process better. I'd kind of like to know
whether we should work with great urgency, to try to make Precise, or
whether it's really too late for that, and any fix would go out in an
update, and we can be a bit calmer.
I have to step away again, but I just saw Scott's new
On an unrelated report (bug 982767), I had the chance to ask release
expert Steve Langasek about current bugs and Thursday's release. He
said:
Any fixes in this area will not make it for 12.04.0. They will be
considered for inclusion in 12.04.1.
That was a different piece if software, but I'll
Cripes!
I am getting blank windows on restore, again.
* It doesn't happen every time, now.
* It's only windows that were maximized, then minimized. So not exactly
the same as Fuzzy or Scott report. Which is frustrating! :)
* It has only happened when switching back to minimized windows with
I'm still experiencing this, but I get it even when restoring non-
maximised windows. I'm running Unity 5.10.0 with NVIDIA 295.40 on a GTX
560 Ti.
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Alright, thank you Edward and Shayne for your time and sorry for posting
in the seemingly wrong bug report. I will search for the right one. I
can't help thinking that these bugs are related, though.
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Oh, FuzzyQ, let me stress, there's no matter for apology, and this is
not a 'go away' message at all. The clarity of a tightly-defined bug
case is a good thing. Bug 938658 as it grew here built up a very
specific definition. That's nice when you can get it, and the
narrowly-defined case seems
In addition! I didn't emphasize this: Nobody who fixed 938658 commented
on this page, or maybe even read it. That's one of the big reasons your
shortest route to help is likely through a different bug report. You
won't be missing anything here, just me writing a lot! :)
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Hey Edward! No problem, you did the right thing. If I had found this bug
report earlier, I may have made a difference, but since noone seemed to
have any problems, it was a logical choice to mark the issue solved.
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Hello Shayne, thanks for your interest in my problem.
Blank windows upon maximizing from launcher occur only rarely, but it's
definetly still there.
Much more often however, to a really unnerving extend, windows blank out after
dodging effect took place, meaning that one window lies beneath
Fuzzy, thanks for that description. I haven't tried 'dodge windows', so
you're right, it is a little confusing to me. :) That's enabled through
CCSM?
If so, you might want to try clearing any custom settings you have,
moving config files out, if possible. (I don't know where CCSM keeps
its
oops: see if you it it - see if you get it... :)
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Title:
[nvidia] Restoring minimized applications presents blank window
To manage
FuzzyQ i can only think of a couple of things at this point
1.Type unity --version in a terminal and make sure you are running 5.10
2.Upload a video showing you are still having problems with windows blanking
when you maximize from launcher.
3.The window focus problems are a different bug than
Thank you very much for your answer, Edward!
I did as you hinted and tried the latest version from official repositories
(also 295.40) but still, no luck :(
I've even tried the original driver from nvidia, but same result.
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Dang; well, thank you for trying that.
I don't have any other ideas right now. I don't know the code at all,
nor where in the code this was fixed (for some of us).
I was the one who marked this closed, since everything looked good for a
while. I was going to re-open it, now. But LP won't let
Hey fuzzyq are you getting the blank window when maximizing an app from
the launcher or is it something else? I read in your description that
you get it on switching, can you elaborate more if possible. The last
time i ran ubuntu was just after unity 5.10 was released and i couldn't
reproduce this
I'm sorry but I can't confirm the fix is working. Still got blank
windows on switching.
Graphic Card: nvidia geforce 9800M GT
Driver version: 295.40 (from x-swat repository, nvidia-current)
Unity version: 5.10
Any help would be very much appreciated.
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Fuzzy, if you're running the nvidia driver from a ppa, and not plain
Precise, then trying vanilla Precise, instead, is the only thought I
have. I don't have any technical particulars behind that thought, just
hoping that you may see the fix, if you're running the exact same
packages.
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Solved! ;)
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Title:
[nvidia] Restoring minimized applications presents blank window
To manage notifications about this bug go to:
Updating to the 5.10 fixed this for me as well. That was the last issue
I was having with 12.04. I am loving Precise
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Title:
[nvidia] Restoring
So, unity 5.10 is in the main repo now. I think this is fixed. If
anyone can still reproduce it, do re-open this. Thanks.
Shayne, ghetto, I agree -- Precise and Unity are really coming along.
:)
** No longer affects: compiz
** Changed in: unity-distro-priority
Status: New = Fix
I can always reproduce it with only one terminal window open.
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Title:
[nvidia] Restoring minimized applications presents blank window
To manage
this was fix with Unity 5.10 ( yet from ppa) good job !
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Title:
[nvidia] Restoring minimized applications presents blank window
To manage
Yeah, I've updated to the latest from the Unity ppa, and I can't
reproduce it anymore. Excellent.
I don't see a specific changelog entry that I can point to for this bug,
so I don't know whether the fix that did it was in the unity packages,
or the compiz ones. I guess I'll remove the nvidia
That's ok Edward i don't mind, this is pretty much the last unaddressed
bug i am experiencing in what is surely imho going to be the best linux
os to date.
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I hunted this one down after getting white windows without maximizing.
For me it happens to when I minimize windows for applications that have
more than one.
For instance, open two nautilus windows, minimize one, click the
launcher button and the minimized window is white in the expose view. If
Now that I tried it, I'm seeing the exact same thing as Edwin with
minimized windows.
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Title:
[nvidia] Restoring minimized applications presents
With NVIDIA hardware and unity 5.10 from the testing ppa, the problem of
the invisible windows is NOT gone. I could reproduce it (i.e. with
Terminal).
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Well, I edited the title, to show that it's general, however you restore
the window. Hope you don't mind, Shayne.
** Summary changed:
- [nvidia] Clicking minimized applications from launcher presents blank window
+ [nvidia] Restoring minimized applications presents blank window
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