Nouveau - Sep 2014 - [Bug 83992] New: [NVE0][NVF1] regression, linux 3.17 causes gpu lockups

https://bugs.freedesktop.org/show_bug.cgi?id=83992

          Priority: medium
            Bug ID: 83992
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVE0][NVF1] regression, linux 3.17 causes gpu lockups
        QA Contact: xorg-team at lists.x.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tomenglund26 at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 106428
  --> https://bugs.freedesktop.org/attachment.cgi?id=106428&action=edit
dmesg of cs:go lockup

im getting a regression with 3.17 gpu lockups instantly i launch wine/cs:go and
at random times with just normal X usage. i bisected the kernel twice and ended
up on same commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f331a15f84a94dce6f12cf0b7012174b4a6bf804

this is on a 780ti.

attaching dmesg of wine/csgo lockup on 3.17-rc5 and X lockup with the bisected
kernel at that commit.

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--- Comment #1 from Tom Englund <tomenglund26 at gmail.com> ---
Created attachment 106429
  --> https://bugs.freedesktop.org/attachment.cgi?id=106429&action=edit
dmesg of x lockup

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--- Comment #2 from Tom Englund <tomenglund26 at gmail.com> ---
however reverting e887377338f and 67cfbfdfec9fa so f331a15f84a cleanly reverts
i still get the X lockups

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--- Comment #3 from Tom Englund <tomenglund26 at gmail.com> ---
checking out a2d58c33a doesnt make X nor cs:go lockup however it artifacts
badly, and spams dmesg with this
https://gist.github.com/anonymous/f53c93768a9ba1ca0ee0 .

tried setting drivers/gpu/drm/nouveau/core/engine/graph/ctxgk110b.c
bundle_token_limit to 0x7c0 instead of 0x600 but no dice.

screenshot of it artifacting http://i.imgur.com/HLb8I6t.png and the artifacts
isnt contained to cs:go they go out on X aswell as you can see on dropbox
systray icon and garbles some text everywhere.

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--- Comment #4 from Ben Skeggs <skeggsb at gmail.com> ---
What's the last commit where everything works properly?  We should start
from
there.

You mention you still get X lockups even after reverting f331a?

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--- Comment #5 from Tom Englund <tomenglund26 at gmail.com> ---
(In reply to comment #4)
> What's the last commit where everything works properly?  We should
start
> from there.
> 
> You mention you still get X lockups even after reverting f331a?
yea that is the weird thing reverting those 3 commits it still lockups but
going cleanly to its parent it only artifacts, after some bisecting the first
bad commit with artifacts is 694c6caf92615828dbfd3fc30e937c8f54d2ac93 , so the
first commit where everything works is ac9738bb3e5374495908ad236285f69cfd405f8e

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David Heidelberger (okias) <david.heidelberger at ixit.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |bisected
                 CC|                            |david.heidelberger at ixit.cz

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--- Comment #6 from Tom Englund <tomenglund26 at gmail.com> ---
seems to be working now with kernel 3.18.2

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--- Comment #7 from Tom Englund <tomenglund26 at gmail.com> ---
Created attachment 112412
  --> https://bugs.freedesktop.org/attachment.cgi?id=112412&action=edit
patch for lockups.

thanks to xexaxo from #d3d9 on freenode.

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--- Comment #8 from Tom Englund <tomenglund26 at gmail.com> ---
fixed in linux 4.0 ,
https://github.com/torvalds/linux/commit/404ba3f79089a01c1ebacccafa08a5db4a4cd2af

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Tom Englund <tomenglund26 at gmail.com> changed:

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

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