Jul  8 10:46:14 den-desktop radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec
Jul  8 10:46:14 den-desktop radeon 0000:01:00.0: GPU lockup (waiting for 0x000000000006e7dc last fence id 0x000000000006e7d9)
Jul  8 10:46:14 den-desktop radeon 0000:01:00.0: couldn't schedule ib
Jul  8 10:46:14 den-desktop [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
Jul  8 10:46:14 den-desktop ------------[ cut here ]------------
Jul  8 10:46:14 den-desktop WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:180 radeon_fence_signaled+0x94/0xa0()
Jul  8 10:46:14 den-desktop Hardware name: HP Compaq dc7700p Convertible Minitower
Jul  8 10:46:14 den-desktop Querying an unemitted fence : ef6835e0 !
Jul  8 10:46:14 den-desktop Modules linked in: snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_emu10k1 snd_ac97_codec snd_virtuoso ac97_bus snd_util_mem snd_oxygen_lib snd_hwdep snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd e1000e e1000 scsi_wait_scan
Jul  8 10:46:14 den-desktop Pid: 4463, comm: X Not tainted 3.5.0-rc5-00184-gcd6407f #1
Jul  8 10:46:14 den-desktop Call Trace:
Jul  8 10:46:14 den-desktop [<c102de18>] ? warn_slowpath_common+0x78/0xb0
Jul  8 10:46:14 den-desktop [<c136a7c4>] ? radeon_fence_signaled+0x94/0xa0
Jul  8 10:46:14 den-desktop [<c136a7c4>] ? radeon_fence_signaled+0x94/0xa0
Jul  8 10:46:14 den-desktop [<c102dee3>] ? warn_slowpath_fmt+0x33/0x40
Jul  8 10:46:14 den-desktop [<c136a7c4>] ? radeon_fence_signaled+0x94/0xa0
Jul  8 10:46:14 den-desktop [<c133a3b7>] ? ttm_bo_wait+0x117/0x1a0
Jul  8 10:46:14 den-desktop [<c132e5ff>] ? drm_mm_put_block+0x5f/0x70
Jul  8 10:46:14 den-desktop [<c132e5ff>] ? drm_mm_put_block+0x5f/0x70
Jul  8 10:46:14 den-desktop [<c133b0c3>] ? ttm_bo_release+0xa3/0x1e0
Jul  8 10:46:14 den-desktop [<c1290a93>] ? idr_remove+0x123/0x180
Jul  8 10:46:14 den-desktop [<c133b233>] ? ttm_bo_unref+0x33/0x50
Jul  8 10:46:14 den-desktop [<c136c703>] ? radeon_bo_unref+0x33/0x70
Jul  8 10:46:14 den-desktop [<c137d5c6>] ? radeon_gem_object_free+0x26/0x30
Jul  8 10:46:14 den-desktop [<c1326f4d>] ? drm_gem_object_free+0x1d/0x30
Jul  8 10:46:14 den-desktop [<c13270af>] ? drm_gem_handle_delete+0xef/0x110
Jul  8 10:46:14 den-desktop [<c1325904>] ? drm_ioctl+0x394/0x3f0
Jul  8 10:46:14 den-desktop [<c1327480>] ? drm_gem_destroy+0x40/0x40
Jul  8 10:46:14 den-desktop [<c10bfce6>] ? do_sync_read+0xc6/0x100
Jul  8 10:46:14 den-desktop [<c1297118>] ? timerqueue_add+0x58/0xb0
Jul  8 10:46:14 den-desktop [<c1325570>] ? drm_copy_field+0x70/0x70
Jul  8 10:46:14 den-desktop [<c10cf2fa>] ? do_vfs_ioctl+0x7a/0x560
Jul  8 10:46:14 den-desktop [<c10c07fe>] ? vfs_read+0xfe/0x130
Jul  8 10:46:14 den-desktop [<c10cf80e>] ? sys_ioctl+0x2e/0x50
Jul  8 10:46:14 den-desktop [<c1618250>] ? sysenter_do_call+0x12/0x26
Jul  8 10:46:14 den-desktop ---[ end trace b04433a361649673 ]---
Jul  8 10:46:14 den-desktop radeon 0000:01:00.0: couldn't schedule ib
Jul  8 10:46:14 den-desktop [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !