[Bug 74539] New: [r600g] Memory leak when playing WoW with RV790

[Bug 74539] New: [r600g] Memory leak when playing WoW with RV790

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

          Priority: medium
            Bug ID: 74539
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r600g] Memory leak when playing WoW with RV790
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: rankincj@googlemail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 93417
  --> https://bugs.freedesktop.org/attachment.cgi?id=93417&action=edit
dmesg log showing memory allocation failure.

I am seeing a possible memory leak while playing WoW-64.exe with my RV790. The
problem seems to happen after ~ 1 hour of play:

[  117.896993] fuse init (API version 7.22)
[ 3326.401752] WoW-64.exe: page allocation failure: order:4, mode:0x10c0d0
[ 3326.407099] CPU: 7 PID: 31106 Comm: WoW-64.exe Not tainted 3.12.9 #1
[ 3326.412185] Hardware name: Gigabyte Technology Co., Ltd.
EX58-UD3R/EX58-UD3R, BIOS FB  05/04/2009
[ 3326.419812]  ffff8801afdcdbd0 ffffffff812d0071 0000000000000001
ffffffff810a0c50
[ 3326.426142]  0000000000000001 0000000000000000 ffffffff8164ff80
ffffffff8164f400
[ 3326.432429]  000000000010c0d0 ffffffff812cebb7 ffffffff8164f400
ffff880100000000

I *think* I can bisect this, although it might make some time:

9bace99d77642f8fbd46b1f0be025ad758f83f5e        BAD
f5bd5568abcc234c1c2b6a4bb67b880706f3caed        GOOD

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #1 from Chris Rankin <rankincj@googlemail.com> ---
It looks like the first bad commit is this one:

commit ed42e95404a51298ea878a0d1cdcbc473612706a
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Wed Jan 22 02:49:53 2014 +0100

    r600g,radeonsi: consolidate remaining obviously duplicated pipe_screen code

    Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
    Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

I have definitely reproduced the problem with this commit, but failed to
reproduce it with only the one before:

commit 65dc588bfd3b8145131340ffe77f216be58378ac
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Wed Jan 22 02:42:20 2014 +0100

    r600g,radeonsi: consolidate get_compute_param

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #2 from Marek Olšák <maraeo@gmail.com> ---
(In reply to comment #1)
> It looks like the first bad commit is this one:
> 
> commit ed42e95404a51298ea878a0d1cdcbc473612706a
> Author: Marek Olšák <marek.olsak@amd.com>
> Date:   Wed Jan 22 02:49:53 2014 +0100
> 
>     r600g,radeonsi: consolidate remaining obviously duplicated pipe_screen
> code

I don't think this is it. These functions are called once per process.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #3 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #2)
> I don't think this is it. These functions are called once per process.

Regardless, ed42e95404a51298ea878a0d1cdcbc473612706a is definitely "bad"
whereas "65dc588bfd3b8145131340ffe77f216be58378ac" failed to crash after over 2
hours of play. I really cannot say anything else at this time.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #4 from Chris Rankin <rankincj@googlemail.com> ---
I have finally managed to generate an "out-of-memory" condition while playing
WoW with git HEAD at:

commit f5bd5568abcc234c1c2b6a4bb67b880706f3caed
Author: Mark Mueller <MarkKMueller@gmail.com>
Date:   Tue Jan 21 22:37:20 2014 -0800

    mesa: Fix Type A _INT formats to MESA_FORMAT naming standard

So the bottom line is that I cannot bisect this, because not only do I have no
reliable means of identifying a "GOOD" commit, but I also have no idea where
the first "GOOD" commit might be.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
Please try getting more information about the leak(s) with valgrind
--leak-check=full.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #6 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #5)
> Please try getting more information about the leak(s) with valgrind
> --leak-check=full.

Do I need to do anything "special" to valgrind WoW.exe, seeing as it must be
invoked using wine?

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #7 from Nick Tenney <nick.tenney@gmail.com> ---
I found this helpful for setting up wine and valgrind together:

http://wiki.winehq.org/Wine_and_Valgrind

You may need to recompile wine after installing valgrind, as mentioned in the
wiki. For a similar issue in Diablo III, I could not get the game to run with
valgrind, so I used apitrace to record a session and ran valgrind on the trace
(after much help from Michel and Ilia). Hope this helps. Oh, make sure to
compile Mesa with debug symbols or you'll need to repeat the whole process. I
forgot that the first time 'round.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #8 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #7)
> You may need to recompile wine after installing valgrind, as mentioned in
> the wiki.

There is no "re"-compile of wine - it either works with Fedora's debuginfo
package or it doesn't.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #9 from Chris Rankin <rankincj@googlemail.com> ---
Has anyone ever "valground" a 32 bit executable on a box which is natively 64
bit, please? This bug is currently making it impossible to run Wow-64.exe:

http://bugs.winehq.org/show_bug.cgi?id=35582

That in itself isn't an issue - the memory leak occurs with both 32 bit and 64
bit WoW. However, the following command is failing:

$ valgrind --trace-children=yes --leak-check=full /usr/bin/wine
/opt/wine/World\ of\ Warcraft/Wow.exe -opengl -noautoload64bit

with this error:

valgrind: failed to start tool 'memcheck' for platform 'amd64-linux': No such
file or directory

Which I assume means that Valgrind is trying to use 64 bit tools on a 32 bit
executable.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #10 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #9)
> valgrind: failed to start tool 'memcheck' for platform 'amd64-linux': No
> such file or directory

More specifically: Valgrind is falling back to the x86_64 platform when
executing the "--trace-children=yes" option!

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #11 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95119
  --> https://bugs.freedesktop.org/attachment.cgi?id=95119&action=edit
Valgrind output from 32 bit WoW

I have an extremely underpowered dual P4 box with a HD4670 AGP card that is
capable of running 32 bit WoW, so I've tried to run valgrind on that. Here is
the output.

Unfortunately, I was only able to get as far as the login screen as Blizzard
rejected my login. (Too slow, perhaps? Or maybe they detected valgrind and
disallowed me?) However, there are some interesting entries.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #12 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95121
  --> https://bugs.freedesktop.org/attachment.cgi?id=95121&action=edit
2nd valgrind output from 32 bit WoW

Again with the HD4670 AGP and the latest git:

commit 079bff5a99fa19029fc0caba92fe57046ee29b23
Author: Anuj Phogat <anuj.phogat@gmail.com>
Date:   Mon Mar 3 14:40:14 2014 -0800

    mesa: Allow GL_DEPTH_COMPONENT and GL_DEPTH_STENCIL combinations in
glTexIma

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #95119|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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[-- Attachment #1.1: Type: text/plain, Size: 428 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=74539

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #95121|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #95119|text/plain                  |application/octet-stream
          mime type|                            |

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #95121|text/plain                  |application/octet-stream
          mime type|                            |

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #13 from Nick Tenney <nick.tenney@gmail.com> ---
try:
$apitrace /usr/bin/wine /opt/wine/World\ of\ Warcraft/Wow.exe -opengl
-noautoload64bit

To record an apitrace of a little bit of play. It will generate a .trace file
that you can run through valgrind (I believe same options as before, I can't
recall). This may help you get a little further.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #14 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #13)
> This may help you get a little further.

Actually, I'm hoping that the valgrind output from WoW on my native 32 bit box
will be sufficient. It does seem to show a suspiciously large number of
allocations in the r600 code.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #15 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #14)
> Actually, I'm hoping that the valgrind output from WoW on my native 32 bit
> box will be sufficient.

If you could produce an apitrace reproducing the leaks as reported by valgrind,
that might make it easier for us to reproduce and investigate the problem.


This one looks interesting, but I'm not sure yet how the memory ends up being
leaked:

==13334== 302,736 bytes in 84 blocks are possibly lost in loss record 6,231 of
6,282
==13334==    at 0x400870E: calloc (in
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==13334==    by 0x8444B00: r600_texture_create_object (r600_texture.c:571)
==13334==    by 0x844587C: r600_texture_create (r600_texture.c:759)
==13334==    by 0x843FF69: r600_resource_create_common (r600_pipe_common.c:589)
==13334==    by 0x83DC5EF: r600_resource_create (r600_pipe.c:558)
==13334==    by 0x81D7A98: st_texture_create (st_texture.c:96)
==13334==    by 0x81AA32E: guess_and_alloc_texture (st_cb_texture.c:405)
==13334==    by 0x81AA476: st_AllocTextureImageBuffer (st_cb_texture.c:459)
==13334==    by 0x814C953: _mesa_store_compressed_teximage (texstore.c:4195)
==13334==    by 0x81A99D4: st_CompressedTexImage (st_cb_texture.c:823)
==13334==    by 0x8138540: teximage (teximage.c:3244)
==13334==    by 0x813A8D3: _mesa_CompressedTexImage2D (teximage.c:3913)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #16 from Chris Rankin <rankincj@googlemail.com> ---
The apitrace is 155,721 KB and so cannot be uploaded. Rather than break it into
> 50 fragments, does anyone have another location to upload it to please?

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #17 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95249
  --> https://bugs.freedesktop.org/attachment.cgi?id=95249&action=edit
apitrace output for 32 bit WoW (1)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #18 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95250
  --> https://bugs.freedesktop.org/attachment.cgi?id=95250&action=edit
apitrace output for 32 bit WoW (2)

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--- Comment #19 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95252
  --> https://bugs.freedesktop.org/attachment.cgi?id=95252&action=edit
apitrace output for 32 bit WoW (3)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #20 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95253
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apitrace output for 32 bit WoW (4)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #21 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95254
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apitrace output for 32 bit WoW (5)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #22 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95255
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apitrace output for 32 bit WoW (6)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #23 from Chris Rankin <rankincj@googlemail.com> ---
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apitrace output for 32 bit WoW (7)

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #24 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 95257
  --> https://bugs.freedesktop.org/attachment.cgi?id=95257&action=edit
apitrace output for 32 bit WoW (8)

This is a less ambitious apitrace from 32 bit WoW. You can reconstruct the
original file by:

$ cat wine-preloader-2.trace.xz.* > wine-preloader-2.trace.xz

The SHA1SUM should be: c969eb3169db84e26e50f29a4e4674058e5ec897

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #25 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 97051
  --> https://bugs.freedesktop.org/attachment.cgi?id=97051&action=edit
dmesg output from 3.13.9

This memory leak is still present with 3.13.9 and HEAD
4ccff1499c956b51f18710c7308cbce883f64cd9.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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--- Comment #26 from Michel Dänzer <michel@daenzer.net> ---
Does the patch from bug 74868 help?

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #27 from Chris Rankin <rankincj@googlemail.com> ---
Thanks, I'll give it a try. Was Mesa leaking memory for *all* failed shaders,
or just failed geometry shaders?

> I tried booting up Diablo III a few days back to see the new geometry shaders
> in action on my 4890...

AFAIK, the 4890 needs a 3.14+ kernel to get geometry shader support.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #28 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #26)
> Does the patch from bug 74868 help?

Hmm, it hasn't OOM-ed yet. But one of the symptoms that I'd come to associate
with the memory problem was an increasing jerkiness in the game play over time.
That symptom at least is still present.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #29 from Marek Olšák <maraeo@gmail.com> ---
With kernel 3.15, you can watch GPU memory usage by setting:
GALLIUM_HUD=VRAM-usage,GTT-usage

You should able to see if we leak GPU memory or not.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #30 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #29)
> With kernel 3.15, you can watch GPU memory usage by setting:
> GALLIUM_HUD=VRAM-usage,GTT-usage

Is this support sufficiently non-invasive to be backported to 3.14-stable?

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #31 from Marek Olšák <maraeo@gmail.com> ---
It's not a bug fix, so I doubt it would be accepted.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #32 from Chris Rankin <rankincj@googlemail.com> ---
(In reply to comment #31)
> It's not a bug fix, so I doubt it would be accepted.

Perhaps not, but possibly worth asking Mr Greg KH if he'd be prepared to
consider it anyway?

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #33 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 97325
  --> https://bugs.freedesktop.org/attachment.cgi?id=97325&action=edit
Xorg.0.log showing errors when exiting WoW

One of the other errors that I've come to associate (rightly or wrongly) with
the OOM problem is that it can take a long time to get keyboard/mouse control
back after exiting WoW.

This is the Xorg.0.log file from an instance where I didn't get keyboard/mouse
control back at all, and Xorg just chewed up 100% of one CPU instead.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #34 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #33)
> This is the Xorg.0.log file from an instance where I didn't get
> keyboard/mouse control back at all, and Xorg just chewed up 100% of one CPU
> instead.

DRICloseScreen is a DRI1 function; I suspect the backtraces in the Xorg log
file aren't reliable. It would be interesting to see where the Xorg process is
spinning, e.g. by attaching gdb to it and getting a couple of backtraces from
it.


(In reply to comment #32)
> Perhaps not, but possibly worth asking Mr Greg KH if he'd be prepared to
> consider it anyway?

Sure, feel free to ask him. :)

Anyway, any GPU resource leaks should be accompanied by 'normal' memory leaks,
so valgrind should be the proper tool for the job.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #35 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 97584
  --> https://bugs.freedesktop.org/attachment.cgi?id=97584&action=edit
Xorg backtrace when WoW fails to exit

The problem with Xorg happened again, so I logged in via another machine and
extracted a backtrace. And it appears to be spinning uselessly here:

0x00000000005732b4 in DRI2DrawableGone (p=0x1977780, id=1117838198) at
dri2.c:382
382        xorg_list_for_each_entry_safe(ref, next, &pPriv->reference_list,
link) {

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #36 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #35)
> [...] it appears to be spinning uselessly here:
> 
> 0x00000000005732b4 in DRI2DrawableGone (p=0x1977780, id=1117838198) at
> dri2.c:382
> 382	    xorg_list_for_each_entry_safe(ref, next, &pPriv->reference_list,
> link) {

Weird. Anyway, that doesn't seem directly related to memory leaks in r600g and
should be tracked separately.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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https://bugs.freedesktop.org/show_bug.cgi?id=74539

--- Comment #37 from Chris Rankin <rankincj@googlemail.com> ---
Created attachment 98185
  --> https://bugs.freedesktop.org/attachment.cgi?id=98185&action=edit
dmesg output with 3.14.2

Drat, I had hoped that this issue had been fixed.

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[Bug 74539] [r600g] Memory leak when playing WoW with RV790

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GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #38 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/491.

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