[Bug 66713] New: Team Fortress 2 crashes with r600-sb on HD4850

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66713

          Priority: medium
            Bug ID: 66713
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Team Fortress 2 crashes with r600-sb on HD4850
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: hubert at kario.pl
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

I'm experiencing TF2 crash when running current (as of today) git master when
specifying R600_DEBUG=sb

the crash occurs as soon as the map is shown (right after the server config was
loaded)

My GPU is Advanced Micro Devices, Inc. [AMD/ATI] RV770 [Radeon HD 4850]

mesa version:
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV770
OpenGL core profile version string: 3.1 (Core Profile) Mesa 9.2.0-devel
(git-1415a18)
OpenGL core profile shading language version string: 1.40

unfortunately the game's console output isn't really helpful:
Redownloading all lightmaps
m_face->glyph->bitmap.width is 0 for ch:32 TF2
m_face->glyph->bitmap.width is 0 for ch:32 TF2 Professor
m_face->glyph->bitmap.width is 0 for ch:32 TF2
m_face->glyph->bitmap.width is 0 for ch:32 TF2
m_face->glyph->bitmap.width is 0 for ch:32 TF2 Professor
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
Uploading dump (out-of-process) [proxy '']
/tmp/dumps/crash_20130708231132_1.dmp
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
Game removed: AppID 440 "Team Fortress 2", ProcID 619 
/mnt/backup/Steam/SteamApps/common/Team Fortress 2/hl2.sh: line 67:   619
Aborted                 (core dumped) ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE}
"$@"
Generating new string page texture 172: 256x256, total string texture memory is
2.83 MB
Finished uploading minidump (out-of-process): success = yes
response: CrashID=bp-e81b0255-1345-437c-b5e9-47a552130708
Generating new string page texture 178: 24x256, total string texture memory is
2.85 MB
unlinked 2 orphaned pipes
CAsyncIOManager: 0 threads terminating.  0 reads, 0 writes, 0 deferrals.
CAsyncIOManager: 12948 single object sleeps, 0 multi object sleeps
CAsyncIOManager: 0 single object alertable sleeps, 3 multi object alertable
sleeps

the game runs fine for extended periods of time with regular backend

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