http://bugs.freedesktop.org/show_bug.cgi?id=25718
Summary: gpu death at radeon_fence_wait
Product: DRI
Version: XOrg CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: major
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: ai...@cisco.com
randomly during normal kde desktop usage, display goes all gray or similar
momentarily, then switches off.
rv790, kms, 2.6.31.1 + drm-linus patch
(http://files.iniza.org/drm-linus/vanilla-2.6.32/) + V8 pm patch enabled.
captured the following similar crashes within minutes of startup:
320.709748] [drm:radeon_fence_wait] *ERROR* fence(ffff88030c20e5c0:0x0001B7CE)
510ms timeout going to reset GPU
320.709758] radeon 0000:02:00.0: GPU softreset
320.709762] radeon 0000:02:00.0: R_008010_GRBM_STATUS=0xE57044A4
320.709766] radeon 0000:02:00.0: R_008014_GRBM_STATUS2=0x00FF3F02
320.709770] radeon 0000:02:00.0: R_000E50_SRBM_STATUS=0x200022C0
320.867374] radeon 0000:02:00.0: Wait for MC idle timedout !
320.867380] radeon 0000:02:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE
320.867435] radeon 0000:02:00.0: R_008020_GRBM_SOFT_RESET=0x00000001
320.867496] radeon 0000:02:00.0: R_000E60_SRBM_SOFT_RESET=0x00000C02
320.891743] radeon 0000:02:00.0: R_008010_GRBM_STATUS=0xFFFFFFFF
320.891746] radeon 0000:02:00.0: R_008014_GRBM_STATUS2=0xFFFFFFFF
320.891748] radeon 0000:02:00.0: R_000E50_SRBM_STATUS=0xFFFFFFFF
<<reboot>>
1219.885702] [drm:radeon_fence_wait] *ERROR* fence(ffff88030cd285c0:0x00064506)
510ms timeout going to reset GPU
1219.885713] radeon 0000:02:00.0: GPU softreset
1219.885717] radeon 0000:02:00.0: R_008010_GRBM_STATUS=0xE57004A4
1219.885721] radeon 0000:02:00.0: R_008014_GRBM_STATUS2=0x00FF0F02
1219.885725] radeon 0000:02:00.0: R_000E50_SRBM_STATUS=0x20001AC0
1220.044073] radeon 0000:02:00.0: Wait for MC idle timedout !
1220.044081] radeon 0000:02:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEE
1220.044136] radeon 0000:02:00.0: R_008020_GRBM_SOFT_RESET=0x00000001
1220.044197] radeon 0000:02:00.0: R_000E60_SRBM_SOFT_RESET=0x00000C02
1220.068448] radeon 0000:02:00.0: R_008010_GRBM_STATUS=0xFFFFFFFF
1220.068454] radeon 0000:02:00.0: R_008014_GRBM_STATUS2=0xFFFFFFFF
1220.068460] radeon 0000:02:00.0: R_000E50_SRBM_STATUS=0xFFFFFFFF
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