Nouveau - Sep 2013 - [Bug 69168] New: Arbitrary crashes

https://bugs.freedesktop.org/show_bug.cgi?id=69168

          Priority: medium
            Bug ID: 69168
          Assignee: nouveau at lists.freedesktop.org
           Summary: Arbitrary crashes
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: wompy at gmx.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 85540
  --> https://bugs.freedesktop.org/attachment.cgi?id=85540&action=edit
dmesg-log with log_buf_len=1M

Hi,
using nouveau on arch linux my system crashes arbitrarily. I tried to force it
with maximum load (running tons of videos in parallel) but it would crash with
log on. Unplugging the external monitor was finally the trigger, even though I
am not sure if that is my actual problem. The picture on my external monitor
looks crappy (don't know how to describe, but some kind of
"fuzzy", like Win
98) even though the right resolution 1920*1080 is used. 
uname -a
Linux wom 3.11.0-1-ARCH #1 SMP PREEMPT Tue Sep 3 08:58:01 CEST 2013 x86_64
GNU/Linux

lspci|grep NVIDIA
01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [GeForce 310M]
(rev a2)
01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev
a1)

xf86-video-nouveau-1.0.9-1
mesa-9.2.0-1
libdrm-2.4.46-2

Attached the dmesg-log with log_buf_len=1M

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https://bugs.freedesktop.org/show_bug.cgi?id=69168

Wompy Dompy <wompy at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Arbitrary crashes           |[NVA8]Arbitrary crashes

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https://bugs.freedesktop.org/show_bug.cgi?id=69168

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
What you have in your logs is a warning (one that was supposed to be fixed in
3.11, odd, but it should be harmless). There's also an error in the fifo
command pusher (claims to be an invalid command, but that command looks fine to
me), but it happens much before the warning.

When you say "crashes", what do you mean? Just that X restarts? In
that case,
seeing a Xorg.0.log.old would be instructional.

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--- Comment #2 from Wompy Dompy <wompy at gmx.com> ---
Created attachment 85581
  --> https://bugs.freedesktop.org/attachment.cgi?id=85581&action=edit
latest Xorg-log

Thanks for that quick response.

That one is from the latest crash today. I don't think X restarts though.
What
happens is that I can move my mice, but gnome is not reacting any more, but I
can still switch to the tty-consoles. Sometimes the gdm-login appears on tty2
though. Since I heard about a lot of improvements in 3.11 I asked the guys in
#archlinux and they told me I could try to go the "testing" repo,
install the
kernel and go back. That's what I did. When it crahes, is there a possiblity
to
"restore" the gnome session? I tried to work with gnome-shell
--replace
--display :0 but that didn't work.

Kind regards,
wompy

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
The xorg log that you attached seems fine. That was produced after the hang? If
so, it must be the compositor hanging. Try disabling the compositor.

As for your gnome-related question, I don't know -- I stay away from
gnome-shell & co; however it's very unlikely that it'd be possible
to restore a
session after X exits, due to the way that the X protocol works. However if X
stays alive, no reason (in theory) that you can't restart your WM. (In fact,
most WMs support this explicitly.)

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--- Comment #4 from Wompy Dompy <wompy at gmx.com> ---
Sorry about the latest reply, but with linux 3.12 kernel it seems to run stable
again. I've installed a late 3.11 kernel as well and that one seems to work
too.

This bug can be closed. Thanks!

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

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

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