Nouveau - Jul 2015 - [Bug 91355] New: [Quadro K610M] nouveau fills the kernel log when a video is played

https://bugs.freedesktop.org/show_bug.cgi?id=91355

            Bug ID: 91355
           Summary: [Quadro K610M] nouveau fills the kernel log when a
                    video is played
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: vincent-fdt at vinc17.net
        QA Contact: xorg-team at lists.x.org

When a video is played, either by VLC or by MPlayer, the kernel log
/var/log/kern.log is filled with lines like:

Jul 16 01:44:30 zira kernel: [81562.247407] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.280793] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.280801] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.314152] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.314161] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.347434] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.347443] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.380791] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.380800] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.414181] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.414189] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e
Jul 16 01:44:30 zira kernel: [81562.447591] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: LBREQ
Jul 16 01:44:30 zira kernel: [81562.447600] nouveau E[   PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1209]] subc 5 mthd 0x0000 data 0x0000906e

also completely filling dmesg output.

Someone else has the same kind of problem:
  https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1474538

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https://bugs.freedesktop.org/show_bug.cgi?id=91355

--- Comment #1 from Vincent Lefevre <vincent-fdt at vinc17.net> ---
Note: my machine is a Debian/unstable laptop with kernel 3.16.7-ckt11-1.

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
v3.16 was released almost a year ago. Does this happen on a more recent kernel?

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Vincent Lefevre <vincent-fdt at vinc17.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[Quadro K610M] nouveau      |[NV108] Quadro K610M:
                   |fills the kernel log when a |nouveau fills the kernel
                   |video is played             |log when a video is played

--- Comment #3 from Vincent Lefevre <vincent-fdt at vinc17.net> ---
(In reply to Ilia Mirkin from comment #2)
> v3.16 was released almost a year ago. Does this happen on a more recent
> kernel?
I can't test: nouveau fails completely with a 4.0.5 or 4.7 kernel (available
in
Debian). I suspect that this is bug 89047 (similar error messages), according
to:
https://bugs.freedesktop.org/show_bug.cgi?id=89047#c1

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Olivier Diotte <vhann3000+freedesktop at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vhann3000+freedesktop at gmail
                   |                            |.com

--- Comment #4 from Olivier Diotte <vhann3000+freedesktop at gmail.com>
---
I tested 4.2-rc2 as described here:
https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1474538/comments/3
. It just locks up instead of filling the partition (which has the same effect
of making the computer unusable :s ).

I am cloning Linus' tree and will test v3.19, v4.0 and v4.1. I'll report
with
my findings. Please let me know if I should test other versions or from
nouveau's tree or what not.

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Olivier Diotte from comment #4)
> I tested 4.2-rc2 as described here:
> https://bugs.launchpad.net/ubuntu/+source/linux-lts-vivid/+bug/1474538/
> comments/3 . It just locks up instead of filling the partition (which has
> the same effect of making the computer unusable :s ).
> 
> I am cloning Linus' tree and will test v3.19, v4.0 and v4.1. I'll
report
> with my findings. Please let me know if I should test other versions or
from
> nouveau's tree or what not.
Seems like a totally different issue. Don't use the nouveau tree. File your
own
bug, include your own info.

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Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #6 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/203.

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