radeon 0000:01:00.0: GPU lockup CP stall for more than 1000msec
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WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:235 radeon_fence_wait+0x365/0x3d0 [radeon]()
Hardware name: To Be Filled By O.E.M.
GPU lockup (waiting for 0x00000941 last fence id 0x00000940)
Modules linked in: ipv6 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss cpufreq_ondemand acpi_cpufreq freq_table lp fuse snd_hda_codec_atihdmi snd_ca0106 snd_rawmidi usbhid hid snd_seq_device snd_ac97_codec ac97_bus snd_hda_intel snd_hda_codec radeon snd_hwdep snd_pcm ttm drm_kms_helper drm snd_timer snd via_agp i2c_viapro agpgart ppdev processor i2c_algo_bit thermal i2c_core soundcore sg uhci_hcd ehci_hcd thermal_sys hwmon evdev rtc_cmos parport_pc snd_page_alloc rtc_core parport button via_rhine mii rtc_lib shpchp
Pid: 1771, comm: X Tainted: G        W  2.6.34 #4
Call Trace:
 [<ffffffff81045d8b>] warn_slowpath_common+0x7b/0xc0
 [<ffffffff81045e31>] warn_slowpath_fmt+0x41/0x50
 [<ffffffffa01bdb75>] radeon_fence_wait+0x365/0x3d0 [radeon]
 [<ffffffff81064950>] ? autoremove_wake_function+0x0/0x40
 [<ffffffffa01bde30>] ? radeon_fence_create+0xd0/0x130 [radeon]
 [<ffffffffa01d54db>] radeon_ib_get+0x12b/0x240 [radeon]
 [<ffffffffa01d6a5e>] radeon_cs_ioctl+0x8e/0x1e0 [radeon]
 [<ffffffff813de136>] ? sock_aio_read+0x166/0x170
 [<ffffffffa011f1ca>] drm_ioctl+0x34a/0x4c0 [drm]
 [<ffffffffa01d69d0>] ? radeon_cs_ioctl+0x0/0x1e0 [radeon]
 [<ffffffff810fe7fa>] ? do_sync_read+0xda/0x120
 [<ffffffff810e6078>] ? mmap_region+0x1f8/0x520
 [<ffffffff8110e0dd>] vfs_ioctl+0x3d/0xd0
 [<ffffffff8110e71a>] do_vfs_ioctl+0x8a/0x5a0
 [<ffffffff8104a87a>] ? do_setitimer+0xda/0x210
 [<ffffffff8110ecb1>] sys_ioctl+0x81/0xa0
 [<ffffffff8100285b>] system_call_fastpath+0x16/0x1b
---[ end trace 9683799f264e60d6 ]---
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WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:235 radeon_fence_wait+0x365/0x3d0 [radeon]()
Hardware name: To Be Filled By O.E.M.
GPU lockup (waiting for 0x00000A9C last fence id 0x00000A9A)
Modules linked in: ipv6 snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss cpufreq_ondemand acpi_cpufreq freq_table lp fuse snd_hda_codec_atihdmi snd_ca0106 snd_rawmidi usbhid hid snd_seq_device snd_ac97_codec ac97_bus snd_hda_intel snd_hda_codec radeon snd_hwdep snd_pcm ttm drm_kms_helper drm snd_timer snd via_agp i2c_viapro agpgart ppdev processor i2c_algo_bit thermal i2c_core soundcore sg uhci_hcd ehci_hcd thermal_sys hwmon evdev rtc_cmos parport_pc snd_page_alloc rtc_core parport button via_rhine mii rtc_lib shpchp
Pid: 1771, comm: X Tainted: G        W  2.6.34 #4
Call Trace:
 [<ffffffff81045d8b>] warn_slowpath_common+0x7b/0xc0
 [<ffffffff81045e31>] warn_slowpath_fmt+0x41/0x50
 [<ffffffffa01bdb75>] radeon_fence_wait+0x365/0x3d0 [radeon]
 [<ffffffff81064950>] ? autoremove_wake_function+0x0/0x40
 [<ffffffffa01be361>] radeon_sync_obj_wait+0x11/0x20 [radeon]
 [<ffffffffa01600b6>] ttm_bo_wait+0xf6/0x1a0 [ttm]
 [<ffffffffa01d4af3>] radeon_gem_wait_idle_ioctl+0x93/0x120 [radeon]
 [<ffffffffa011f1ca>] drm_ioctl+0x34a/0x4c0 [drm]
 [<ffffffff8105b13b>] ? get_signal_to_deliver+0xbb/0x410
 [<ffffffffa01d4a60>] ? radeon_gem_wait_idle_ioctl+0x0/0x120 [radeon]
 [<ffffffff8100d5f1>] ? save_i387_xstate+0x1c1/0x220
 [<ffffffff81001bf6>] ? do_signal+0x166/0x7c0
 [<ffffffff8110e0dd>] vfs_ioctl+0x3d/0xd0
 [<ffffffff8110e71a>] do_vfs_ioctl+0x8a/0x5a0
 [<ffffffff8100d3b8>] ? restore_i387_xstate+0x118/0x190
 [<ffffffff8110ecb1>] sys_ioctl+0x81/0xa0
 [<ffffffff8100285b>] system_call_fastpath+0x16/0x1b
---[ end trace 9683799f264e60d7 ]---