Nouveau - Jun 2012 - [Bug 51409] New: when ubuntu tests the gnome environment the nouveau_vieux_dri (ver) segfaults

https://bugs.freedesktop.org/show_bug.cgi?id=51409

Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
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  Attachment #63451|text/x-log                  |text/plain
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https://bugs.freedesktop.org/show_bug.cgi?id=51409

             Bug #: 51409
           Summary: when ubuntu tests the gnome environment the
                    nouveau_vieux_dri (ver) segfaults
    Classification: Unclassified
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: gullik.webjorn at corevalue.se
         QAContact: xorg-team at lists.x.org


Created attachment 63451
  --> https://bugs.freedesktop.org/attachment.cgi?id=63451
log from desktop computer with nvidia agp card

Ubuntu 12.04 LTS logs "system errors", and activates error reporting
tool,
however the error tool claims 12.04 is "stable" and thus not being
worked on.
I thought you might be interested, since the error footprint(s) look solveable.

I attach my dmesg.log, there are 3 bugchecks in the last few lines

Regards,

Gullik

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https://bugs.freedesktop.org/show_bug.cgi?id=51409

Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|when ubuntu tests the gnome |[NV05] when ubuntu tests
                   |environment the             |the gnome environment the
                   |nouveau_vieux_dri (ver)     |nouveau_vieux_dri (ver)
                   |segfaults                   |segfaults

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https://bugs.freedesktop.org/show_bug.cgi?id=51409

--- Comment #1 from mypersonalmailbox1 at mail.com ---
Hi,

I assume you are using an NVIDIA RIVA TNT2-based graphics card (NV5).
I have observed somewhat similar instability of RIVA TNT2 M64 with VIA
Technologies Apollo MVP3 chipset.
Of all the graphics chips I have tested, RIVA TNT2 M64 is by far the worst in
terms of system stability on an Apollo MVP3 chipset-based mainboard.
I have tested this Apollo MVP3 chipset-based mainboard against various NVIDIA,
ATI Technologies, and SiS graphics chips.
In case of NVIDIA, their new stuff (i.e., GeForce 2 MX, GeForce 4 MX, and
GeForce FX) work much better than RIVA TNT2 M64.
Strange problem since RIVA TNT2 M64 works fine on many other AGP-based
mainboards I have.
I assume it is some kind of VIA Technologies specific device driver bug that
manifests itself when mated with RIVA TNT2.
Refer to this report I have submitted.

https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1065300

I will be filing a bug report regarding this issue with freedesktop.org soon.

Regards,

fpgahardwareengineer

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https://bugs.freedesktop.org/show_bug.cgi?id=51409

--- Comment #2 from mypersonalmailbox1 at mail.com ---
(In reply to Comment 1)

Hi,

I just uploaded a bug report regarding NVIDIA RIVA TNT2 M64 graphics chip and
VIA Technologies Apollo MVP3 chipset.

https://bugs.freedesktop.org/show_bug.cgi?id=56340

Regards,

fpgahardwareengineer

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https://bugs.freedesktop.org/show_bug.cgi?id=51409

--- Comment #3 from Emil Velikov <emil.l.velikov at gmail.com> ---
Gullik

As your crash indicates a segfault in unity_support_t/nouveau_vieux_dri.so

It (nouveau_vieux_dri.so) is part of the nouveau-dri (the mesa 3d driver),
which is not supported as of yet

The other issue mentioned may or maynot be related, pending on the data to be
provided

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
In order to make progress on this issue, we'd need a stacktrace, or at least
a
disassembly of the code in question. I think each of the crashes happen in the
same place.

If you see:

[   33.776104] unity_support_t[1416]: segfault at 4 ip 0013f564 sp bfb8a430
error 4 in nouveau_vieux_dri.so[131000+2f000]

Then load up nouveau_vieux_dri.so in gdb (gdb /path/to/nouveau_vieux_dri.so)
and run "disassemble 0xe564". I think. (I never remember how to read
those
crash reports. But I just did 0x13f564 - 0x131000. No clue what the 0x2f000
is.)

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

           What    |Removed                     |Added
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             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
No response to request for additional info. Marking as invalid. (I might have
some patches to nouveau_vieux that fix at least one segfault at some point
semi-soon, but no way to tell if they're at all related to the issues here.)

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