1181.900183] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]()
Hardware name: HP Pavilion dv6 Notebook PC
GPU lockup (waiting for 0x0000FCE8 last fence id 0x0000FCE3)
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat michael_mic arc4 binfmt_misc parport_pc ppdev snd_hda_codec_hdmi snd_hda_codec_idt radeon uvcvideo snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq joydev hp_wmi lib80211_crypt_tkip sparse_keymap wl(P) videodev v4l2_compat_ioctl32 ttm snd_timer psmouse snd_seq_device serio_raw rc_rc6_mce drm_kms_helper jmb38x_ms drm memstick snd ene_ir i2c_algo_bit hp_accel lib80211 soundcore snd_page_alloc ir_lirc_codec lirc_dev ir_sony_decoder lis3lv02d ir_jvc_decoder ir_rc6_decoder ir_rc5_decoder ir_nec_decoder rc_core input_polldev video lp parport usbhid usb_storage hid uas mmc_block ahci firewire_ohci libahci firewire_core sdhci_pci r8169 sdhci crc_itu_t
Pid: 1508, comm: compiz Tainted: P        W I 2.6.38-8-generic #41-Ubuntu
Call Trace:
 [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0
 [<ffffffff81065de6>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffffa04e36df>] ? radeon_fence_wait+0x36f/0x3e0 [radeon]
 [<ffffffff81087f30>] ? autoremove_wake_function+0x0/0x40
 [<ffffffffa04e3fc1>] ? radeon_sync_obj_wait+0x11/0x20 [radeon]
 [<ffffffffa01cbb0d>] ? ttm_bo_wait+0xfd/0x1b0 [ttm]
 [<ffffffffa01ce7e6>] ? ttm_bo_move_accel_cleanup+0x1c6/0x260 [ttm]
 [<ffffffffa04e427f>] ? radeon_move_blit.clone.0+0x11f/0x180 [radeon]
 [<ffffffffa04e4595>] ? radeon_move_ram_vram.clone.2+0x125/0x150 [radeon]
 [<ffffffff81124507>] ? vma_prio_tree_next+0x47/0x70
 [<ffffffffa01d13db>] ? ttm_eu_list_ref_sub+0x3b/0x60 [ttm]
 [<ffffffffa04e47a8>] ? radeon_bo_move+0x1e8/0x1f0 [radeon]
 [<ffffffffa01cc89e>] ? ttm_bo_handle_move_mem+0x12e/0x3d0 [ttm]
 [<ffffffffa01cd982>] ? ttm_bo_move_buffer+0x142/0x160 [ttm]
 [<ffffffffa01d13db>] ? ttm_eu_list_ref_sub+0x3b/0x60 [ttm]
 [<ffffffffa01cda36>] ? ttm_bo_validate+0x96/0x120 [ttm]
 [<ffffffffa04e574c>] ? radeon_bo_list_validate+0x7c/0xe0 [radeon]
 [<ffffffffa04fe5d6>] ? radeon_cs_parser_relocs+0x236/0x270 [radeon]
 [<ffffffffa04fea61>] ? radeon_cs_ioctl+0xa1/0x1e0 [radeon]
 [<ffffffffa0151384>] ? drm_ioctl+0x3e4/0x4c0 [drm]
 [<ffffffff81131d4d>] ? handle_mm_fault+0x16d/0x250
 [<ffffffffa04fe9c0>] ? radeon_cs_ioctl+0x0/0x1e0 [radeon]
 [<ffffffff815c6b38>] ? do_page_fault+0x258/0x540
 [<ffffffff8117648f>] ? do_vfs_ioctl+0x8f/0x360
 [<ffffffff811767f1>] ? sys_ioctl+0x91/0xa0
 [<ffffffff8100c002>] ? system_call_fastpath+0x16/0x1b
---[ end trace a7919e7f17c0a729 ]---