Nouveau - Mar 2018 - [Bug 105626] New: BUG: unable to handle kernel NULL pointer dereference at 0000000000000040

https://bugs.freedesktop.org/show_bug.cgi?id=105626

            Bug ID: 105626
           Summary: BUG: unable to handle kernel NULL pointer dereference
                    at 0000000000000040
           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: philip.raets at telenet.be
        QA Contact: xorg-team at lists.x.org

Created attachment 138225
  --> https://bugs.freedesktop.org/attachment.cgi?id=138225&action=edit
journalctl

Nouveau crashes from time to time, it happens when I open some jpg-files,
tiff-files, when I maximize windows, when I am developing in Android Studio,
... It happens randomly, but a few times a day. I can login with ssh through my
phone (because my desktop is not responding to anything, I can only move the
mouse cursor around), and then force a reboot (which I don't like, because
of
running virtual machines and unsaved work)

I've tried the patched kernel from openSUSE, but it still crashes.

My system is an up to date openSUSE Tumbleweed x86_64

Attached is my last boot log from "journalctl -k -b -1"

Thanks,

Philip

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Philip Raets <philip.raets at telenet.be> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=105174

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Philip Raets <philip.raets at telenet.be> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugzilla.opensuse.o
                   |                            |rg/show_bug.cgi?id=1082308

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Can you see if this patch helps?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v4.16-rc6&id=da5e45e619b3f101420c38b3006a9ae4f3ad19b0

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--- Comment #2 from Takashi Iwai <tiwai at suse.de> ---
The tested kernel already contains the mentioned fix.
This bug was created newly just because it asked so there.

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--- Comment #3 from Takashi Iwai <tiwai at suse.de> ---
(In reply to Takashi Iwai from comment #2)
> This bug was created newly just because it asked so there.
Err, I meant, this bug entry was created newly just because it was asked so in
Bug 105174.

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--- Comment #4 from Philip Raets <philip.raets at telenet.be> ---
Created attachment 138286
  --> https://bugs.freedesktop.org/attachment.cgi?id=138286&action=edit
dmesg

Today I installed kernel 4.16rc6 from opensuse Kernel Head, but my desktop
already froze 5 times today.

Attached is dmesg log

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Pierre Moreau <pierre.morrow at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|BUG: unable to handle       |[GT218] BUG: unable to
                   |kernel NULL pointer         |handle kernel NULL pointer
                   |dereference at              |dereference at
                   |0000000000000040            |0000000000000040

--- Comment #5 from Pierre Moreau <pierre.morrow at free.fr> ---
I’ll try to reproduce on my Tesla cards during the weekend (if I manage to
solve some other issues first).
Are you using X or Wayland?

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Pierre Moreau <pierre.morrow at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[GT218] BUG: unable to      |[GT218][Regression] BUG:
                   |handle kernel NULL pointer  |unable to handle kernel
                   |dereference at              |NULL pointer dereference at
                   |0000000000000040            |0000000000000040

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--- Comment #6 from Philip Raets <philip.raets at telenet.be> ---
I am using X

praets at PRAETS:~> loginctl show-session 1 -p Type
Type=x11

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--- Comment #7 from Pierre Moreau <pierre.morrow at free.fr> ---
I don’t have a GT218 to try on, and my tests on a GT200 were not conclusive as
I was unable to reproduce the bug; I tried opening a bunch of windows, resize
and maximize them, open some png files and run OpenGL games.
I’ll try to look at the patches that were merged in 4.15, see if I can spot an
error there, but I won’t be able to help much more than that. If you could
bisect the kernel to identify the faulty commit, that would be really helpful.

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--- Comment #8 from Philip Raets <philip.raets at telenet.be> ---
I updated tumbleweed to snapshot 20180324
(https://lists.opensuse.org/opensuse-factory/2018-03/msg00615.html) which
contains updates for Mesa and I've updated the kernel to the latest build on
openSUSE:

praets at PRAETS:~> uname -a
Linux PRAETS.boma.local 4.16.0-rc6-3.g2539ea5-default #1 SMP PREEMPT Sun Mar 25
11:36:35 UTC 2018 (2539ea5) x86_64 x86_64 x86_64 GNU/Linux

So far I haven't had any crashes anymore, tried opening a lot of
photo's,
switching windows, maximizing windows, ... 

So far so good

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

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

--- Comment #9 from Martin Peres <martin.peres at free.fr> ---
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