2011/10/5 Michel Dänzer <michel@xxxxxxxxxxx>: > On Don, 2011-09-29 at 17:17 +0800, Chen Jie wrote: >> >> We got occasionally "GPU lockup" after resuming from suspend(on mipsel >> platform with a mips64 compatible CPU and rs780e, the kernel is >> 3.1.0-rc8 64bit). Related kernel message: > > [...] > >> [ 177.085937] radeon 0000:01:05.0: GPU lockup CP stall for more than >> 10019msec >> [ 177.089843] ------------[ cut here ]------------ >> [ 177.097656] WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:267 >> radeon_fence_wait+0x25c/0x33c() >> [ 177.105468] GPU lockup (waiting for 0x000013C3 last fence id >> 0x000013AD) >> [ 177.113281] Modules linked in: psmouse serio_raw >> [ 177.117187] Call Trace: >> [ 177.121093] [<ffffffff806f3e7c>] dump_stack+0x8/0x34 >> [ 177.125000] [<ffffffff8022e4f4>] warn_slowpath_common+0x78/0xa0 >> [ 177.132812] [<ffffffff8022e5b8>] warn_slowpath_fmt+0x38/0x44 >> [ 177.136718] [<ffffffff80522ed8>] radeon_fence_wait+0x25c/0x33c >> [ 177.144531] [<ffffffff804e9e70>] ttm_bo_wait+0x108/0x220 >> [ 177.148437] [<ffffffff8053b478>] radeon_gem_wait_idle_ioctl >> +0x80/0x114 >> [ 177.156250] [<ffffffff804d2fe8>] drm_ioctl+0x2e4/0x3fc >> [ 177.160156] [<ffffffff805a1820>] radeon_kms_compat_ioctl+0x28/0x38 >> [ 177.167968] [<ffffffff80311a04>] compat_sys_ioctl+0x120/0x35c >> [ 177.171875] [<ffffffff80211d18>] handle_sys+0x118/0x138 >> [ 177.179687] ---[ end trace 92f63d998efe4c6d ]--- >> [ 177.187500] radeon 0000:01:05.0: GPU softreset >> [ 177.191406] radeon 0000:01:05.0: R_008010_GRBM_STATUS=0xF57C2030 >> [ 177.195312] radeon 0000:01:05.0: R_008014_GRBM_STATUS2=0x00111103 >> [ 177.203125] radeon 0000:01:05.0: R_000E50_SRBM_STATUS=0x20023040 >> [ 177.363281] radeon 0000:01:05.0: Wait for MC idle timedout ! > > [...] > >> What may cause a "GPU lockup"? > > Lots of things... The most common cause is an incorrect command stream > sent to the GPU by userspace or the kernel. > >> Why reset didn't work? > > Might be related to 'Wait for MC idle timedout !', but I don't know > offhand what could be up with that. > > >> BTW, one question: >> I got 'RADEON_IS_PCI | RADEON_IS_IGP' in rdev->flags, which causes >> need_dma32 was set. >> Is it correct? (drivers/char/agp is not available on mips, could that >> be the reason?) > > Not sure, Alex? You don't AGP for newer IGP cards (rs4xx+). It gets set by default if the card is not AGP or PCIE. That should be changed as only the legacy r1xx PCI GART block has that limitation. I'll send a patch out shortly. Alex _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
