[Bug 50657] New: [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

[Bug 50657] New: [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50657

             Bug #: 50657
           Summary: [Evergreen,GIT,Tiling?] Occasional invalid command
                    stream and subsequent performance increase
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: thomas.lindroth@gmail.com


Starting Warcraft 3 in Wine sometimes failes because of invalid command stream.
It happens in about 10% of all startup attempts.

After a failed startup Warcraft normally starts fine again and with improved
framerate. Normal framerate after clean reboot is 110fps and directly after
error it jumps to 150fps. Other applications also get improved framerate.
Street fighter 4 benchmark in wine goes from 50 to 61 and glxgears from 4,000
to 10,000. The increased performance lasts for about 2 min and drops back to
normal after that. It will jump again next time the error is triggered. No
rendering errors can be seen. No other applications besides war3 can trigger
the failed command stream.

Dmesg reports:
radeon 0000:01:00.0: evergreen_surface_value_conv_check:325 depth invalid array
mode 15
radeon 0000:01:00.0: evergreen_cs_track_validate_depth:645 depth invalid
(0xffffffff 0x00000000 0xffffffff)
radeon 0000:01:00.0: evergreen_packet3_check:2015 invalid cmd stream
Same message every time. No other error reported in dmesg or Xorg.log

Hardware is HD 6770. Using DDX,Mesa,libdrm from latest git. Kernel 3.4.0.
"ColorTiling" "true"
"ColorTiling2D" "true"
"SwapbuffersWait" "false"
"EnablePageFlip" "true"
radeon.pcie_gen2=1

War3 is invoked as "vblank_mode=0 WINEDEBUG=fps wine war3.exe -opengl" in a
wine virtual desktop.

The error might be build related. Building mesa with --enable-debug triggers
the error more often it seems. Pipeing the output of wine to file also triggers
the error.

Mesa built from gentoo ebuild
./configure --prefix=/usr --build=i686-pc-linux-gnu --host=i686-pc-linux-gnu
--mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share
--sysconfdir=/etc --localstatedir=/var/lib --disable-dependency-tracking
--enable-dri --enable-glx --enable-texture-float --disable-debug --enable-egl
--disable-gbm --disable-gles1 --disable-gles2 --enable-glx-tls --disable-osmesa
--enable-asm --enable-shared-glapi --disable-xa --disable-xorg
--with-dri-drivers= --with-gallium-drivers=,swrast,r600
--with-egl-platforms=x11 --enable-gallium-egl --disable-d3d1x
--disable-gallium-g3dvl --enable-gallium-llvm --disable-openvg
--disable-r600-llvm-compiler --disable-vdpau --disable-xvmc

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #1 from Thomas Lindroth <thomas.lindroth@gmail.com> 2012-06-04 04:00:47 PDT ---
Created attachment 62497
  --> https://bugs.freedesktop.org/attachment.cgi?id=62497
dmesg, Xorg.log

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #2 from Thomas Lindroth <thomas.lindroth@gmail.com> 2012-06-04 04:03:45 PDT ---
I get a similar error in Psychonauts from the humble bundle. It fails every
time and give a slightly different error in dmesg. I applied the patch from
here https://bugzilla.icculus.org/show_bug.cgi?id=5540

Attached dmesg is from Psychonauts.

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #3 from Thomas Lindroth <thomas.lindroth@gmail.com> 2012-06-09 01:34:49 PDT ---
Disregard the previous comment. I forgot Psychonauts is 32bit and therefor
don't use my git drivers automatically. There is nothing wrong with it but the
first comment still apply.

Turning off ColorTiling2D or using a blank xorg.conf makes no difference. The
problem is the same on kernel 3.3 except there is no error in dmesg. It just
fails to render anything.

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

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https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #4 from Jerome Glisse <glisse@freedesktop.org> 2012-06-09 07:36:43 PDT ---
Does kernel patch: (apply against 3.5 but need a small diff for 3.4) helps

http://people.freedesktop.org/~glisse/0001-drm-radeon-fix-tiling-and-command-stream-checking-on.patch

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

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https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #5 from Thomas Lindroth <thomas.lindroth@gmail.com> 2012-06-09 14:01:11 PDT ---
I tested the patch against 3.5 but it didn't help.

I should also mention that I'm experiencing memory/filesystem corruption but
only when or directly after I've used some opengl app. After filesystem
restoration and reboot everything works fine until the next time I use an
opengl app. I can't say for sure it's graphics related yet but I've ruled out
hardware error in the disk and ram.

I think it was airlied who on irc told me to try a patch in the 3.5 kernel
related to GART but I got the same corruption with 3.5.

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

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https://bugs.freedesktop.org/show_bug.cgi?id=50657

--- Comment #6 from Thomas Lindroth <thomas.lindroth@gmail.com> 2012-06-13 06:56:07 PDT ---
I've figured out what cause the performance increase. When dmesg gets flooded
with messages syslog use 100% cpu for a while. Performance increase during that
time. The same thing can be achieved by running while true;do true;done. I
guess it has something to do with the cpu's power states.

It would be nice to always have that boost. Using fthrottle_mode=0 didn't help.

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[Bug 50657] [Evergreen,GIT,Tiling?] Occasional invalid command stream and subsequent performance increase

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https://bugs.freedesktop.org/show_bug.cgi?id=50657

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

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

--- Comment #7 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
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/412.

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