Nouveau - Oct 2015 - [Bug 92523] New: [Quadro FX 370] Compiz freezes entire desktop.

https://bugs.freedesktop.org/show_bug.cgi?id=92523

            Bug ID: 92523
           Summary: [Quadro FX 370] Compiz freezes entire desktop.
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: carla.sella at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 118962
  --> https://bugs.freedesktop.org/attachment.cgi?id=118962&action=edit
Dmesg

I have already reported this issue on lauchpad:
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1487553.

My Desktop freezes and Compiz process occupies 100% of CPU for a long while, if
you wait 3-4 minutes  it will recover, but the issue is very annoying.


This is my hardware: https://gist.github.com/anonymous/3203c7c5a43a509c0f22.
I have Ubuntu Wily Werewolf (development branch) 15.10 installed.

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Does this happen without suspend/resume? If not, how is this different than bug
#92522 which you filed earlier today?

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--- Comment #2 from Carla sella <carla.sella at gmail.com> ---
(In reply to Ilia Mirkin from comment #1)
> Does this happen without suspend/resume? If not, how is this different than
> bug #92522 which you filed earlier today?
Yes this happens without suspend/resume. While the other bug was a desktop
freeze after resume from suspension, this happens using the desktop normally,
it gets slow all of a sudden, freezes, I open terminal (CTRL+ALT+F1) and with
the top command I can see compiz process  using 100% of CPU.

After like 3-4 minutes this process uses less CPU and desktop becomes usable
again.

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Do the set_domain messages in dmesg coincide with the freezes?

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--- Comment #4 from Carla sella <carla.sella at gmail.com> ---
(In reply to Ilia Mirkin from comment #3)
> Do the set_domain messages in dmesg coincide with the freezes?
I will have to check this out, never noticed this before.
I will check this the next time my desktop gets freezed and let you know.

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Please give the patch at
http://lists.freedesktop.org/archives/nouveau/2015-October/022732.html a shot
-- it will hopefully help with the suspend/resume issues, and who knows --
perhaps even fix these -- you only have 256MB of vram, so similar situations
will occur as with suspend/resume, with buffers getting swapped out.

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--- Comment #6 from Carla sella <carla.sella at gmail.com> ---
(In reply to Ilia Mirkin from comment #5)
> Please give the patch at
> http://lists.freedesktop.org/archives/nouveau/2015-October/022732.html a
> shot -- it will hopefully help with the suspend/resume issues, and who
knows
> -- perhaps even fix these -- you only have 256MB of vram, so similar
> situations will occur as with suspend/resume, with buffers getting swapped
> out.


Ok I will give it a shot and let you know.
Meanwhile it has just happened again, I will attach two screenshots with top
command and one with dmesg, just for you info.

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--- Comment #7 from Carla sella <carla.sella at gmail.com> ---
Created attachment 119169
  --> https://bugs.freedesktop.org/attachment.cgi?id=119169&action=edit
Top screen shot n. 1

Top command while desktop is freezed with compiz process using 100% (more or
less) CPU

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--- Comment #8 from Carla sella <carla.sella at gmail.com> ---
Created attachment 119170
  --> https://bugs.freedesktop.org/attachment.cgi?id=119170&action=edit
Top screen shot n. 2

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--- Comment #9 from Carla sella <carla.sella at gmail.com> ---
Created attachment 119171
  --> https://bugs.freedesktop.org/attachment.cgi?id=119171&action=edit
dmesg screenshot

Screenshot of dmesg output while desktop was freezed by compiz process at 100%
(more or less).

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--- Comment #10 from Carla sella <carla.sella at gmail.com> ---
Created attachment 119172
  --> https://bugs.freedesktop.org/attachment.cgi?id=119172&action=edit
Dmesg during freeze

Dmesg command launched during freeze.

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--- Comment #11 from Carla sella <carla.sella at gmail.com> ---
(In reply to Carla sella from comment #6)
> (In reply to Ilia Mirkin from comment #5)
> > Please give the patch at
> > http://lists.freedesktop.org/archives/nouveau/2015-October/022732.html
a
> > shot -- it will hopefully help with the suspend/resume issues, and who
knows
> > -- perhaps even fix these -- you only have 256MB of vram, so similar
> > situations will occur as with suspend/resume, with buffers getting
swapped
> > out.
> 
> 
> 
> Ok I will give it a shot and let you know.
> Meanwhile it has just happened again, I will attach two screenshots with
top
> command and one with dmesg, just for you info.


I am waiting for Ubuntu to have the 4.3-rc7 kernel and install it:


http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D

so it will be easier for me to test your patch.

I will let you know what happens.

Thanks.

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--- Comment #12 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Carla sella from comment #11)
> 
> I am waiting for Ubuntu to have the 4.3-rc7 kernel and install it:
> 
> 
> http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
> 
> so it will be easier for me to test your patch.
> 
> I will let you know what happens.
> 
> Thanks.
You reported in bug 92504 that the suspend/resume issue was gone... is this one
as well?

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--- Comment #13 from Carla sella <carla.sella at gmail.com> ---
(In reply to Ilia Mirkin from comment #12)
> (In reply to Carla sella from comment #11)
> > 
> > I am waiting for Ubuntu to have the 4.3-rc7 kernel and install it:
> > 
> > 
> > http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
> > 
> > so it will be easier for me to test your patch.
> > 
> > I will let you know what happens.
> > 
> > Thanks.
> 
> You reported in bug 92504 that the suspend/resume issue was gone... is this
> one as well?

I was waiting some time before answering to see if this issue occurred, but it
hasn't occurred since I installed Ubuntu 4.3.0-040300rc7-generic kernel, so
I
can affirm that the issue is solved.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

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