[Bug 103561] New: unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[Bug 103561] New: unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

            Bug ID: 103561
           Summary: unable to handle kernel paging request with csgo in
                    wine+nine, ttm_bo_del_from_lru
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.2-rc8
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: haagch.christoph@googlemail.com
        Regression: No

Created attachment 185951
  --> https://bugzilla.kernel.org/attachment.cgi?id=185951&action=edit
dmesg

Playing with PRIME on
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M] (rev ff)

mesa git, llvm svn with si scheduler patch from axel davy, but I'm pretty sure
I have seen the exact same thing with pure mainline too.

It takes a while of gameplay to provoke, 20-60 minutes or so.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #1 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 187601
  --> https://bugzilla.kernel.org/attachment.cgi?id=187601&action=edit
same with 4.1 lqx

Indeed. This one is from linux 4.1 with mainline mesa git and mainline llvm
247518.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #2 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 197781
  --> https://bugzilla.kernel.org/attachment.cgi?id=197781&action=edit
dmesg from 4.4-rc5

The call trace looks a bit different with linux 4.4-rc5.

There are also copious amounts of intel and btrfs issues, relevant radeon issue
starts at line 2876.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #3 from Christoph Haag <haagch.christoph@googlemail.com> ---
On second thought, this one might have been caused by the intel hang.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #4 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 198561
  --> https://bugzilla.kernel.org/attachment.cgi?id=198561&action=edit
dmesg from 4.4-rc7

But this one from 4.4 rc7 is without intel hang. Yet another different
backtrace.

Bonus cpu soft lockups and rcu_sched self-detected stall on CPU.

Display completely froze and normal reboot over ssh didn't work.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #5 from Christoph Haag <haagch.christoph@googlemail.com> ---
It's annoying because after this happens the GPU doesn't power off with runpm
anymore and requires a reboot.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #6 from Michel Dänzer <michel@daenzer.net> ---
This is the same as bug 96721, isn't it?

https://bugs.freedesktop.org/show_bug.cgi?id=92258 might be related.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #7 from Christoph Haag <haagch.christoph@googlemail.com> ---
Created attachment 219231
  --> https://bugzilla.kernel.org/attachment.cgi?id=219231&action=edit
dmesg with gpufault R600_DEBUG=nodma

I can not confirm it 100%, but I think R600_DEBUG=nodma helps.

So far the unable to handle kernel paging request did not happen with
R600_DEBUG=nodma. I only got a GPU fault (playing csgo with nine), maybe
unrelated, dmesg attached.

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[Bug 103561] unable to handle kernel paging request with csgo in wine+nine, ttm_bo_del_from_lru

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=103561

--- Comment #8 from Christoph Haag <haagch.christoph@googlemail.com> ---
(In reply to Christoph Haag from comment #7)
> Created attachment 219231 [details]
> dmesg with gpufault R600_DEBUG=nodma
> 
> I can not confirm it 100%, but I think R600_DEBUG=nodma helps.

False alarm, I just got

[304813.478253] BUG: unable to handle kernel paging request at ffff8001c4069120
[304813.480452] IP: [<ffffffffa05be0df>] ttm_bo_del_from_lru+0x7f/0xa0 [ttm]

with R600_DEBUG=nodma.

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