------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]()
Hardware name: Satellite L500
GPU lockup (waiting for 0x00000127 last fence id 0x00000123)
Modules linked in: cryptd aes_x86_64 aes_generic binfmt_misc parport_pc ppdev rfcomm sco bnep l2cap arc4 snd_hda_codec_hdmi snd_hda_codec_realtek usblp snd_hda_intel iwlagn snd_hda_codec iwlcore snd_hwdep radeon btusb snd_pcm bluetooth snd_seq_midi snd_rawmidi mac80211 snd_seq_midi_event snd_seq snd_timer snd_seq_device usb_storage uvcvideo cfg80211 psmouse ttm lp serio_raw video drm_kms_helper drm videodev i2c_algo_bit v4l2_compat_ioctl32 joydev sparse_keymap uas snd toshiba_bluetooth soundcore snd_page_alloc parport usbhid hid ahci libahci r8169
Pid: 1030, comm: Xorg Not tainted 2.6.38-8-generic #42-Ubuntu
Call Trace:
 [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0
 [<ffffffff81065de6>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffffa02d66df>] ? radeon_fence_wait+0x36f/0x3e0 [radeon]
 [<ffffffff81087f30>] ? autoremove_wake_function+0x0/0x40
 [<ffffffffa02d6fc1>] ? radeon_sync_obj_wait+0x11/0x20 [radeon]
 [<ffffffffa0126b0d>] ? ttm_bo_wait+0xfd/0x1b0 [ttm]
 [<ffffffffa0126e88>] ? ttm_bo_list_ref_sub+0x28/0x30 [ttm]
 [<ffffffffa02ef9e3>] ? radeon_gem_wait_idle_ioctl+0x93/0x110 [radeon]
 [<ffffffffa00cc384>] ? drm_ioctl+0x3e4/0x4c0 [drm]
 [<ffffffffa02ef950>] ? radeon_gem_wait_idle_ioctl+0x0/0x110 [radeon]
 [<ffffffff810165fb>] ? check_for_xstate+0x3b/0xb0
 [<ffffffff810166c4>] ? restore_user_xstate+0x54/0xa0
 [<ffffffff8117648f>] ? do_vfs_ioctl+0x8f/0x360
 [<ffffffff8100bd06>] ? sys_rt_sigreturn+0x106/0x140
 [<ffffffff811767f1>] ? sys_ioctl+0x91/0xa0
 [<ffffffff8100c002>] ? system_call_fastpath+0x16/0x1b
---[ end trace 126236cf42d20688 ]---