------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/drivers/gpu/drm/radeon/radeon_fence.c:235 radeon_fence_wait+0x365/0x3d0 [radeon]()
Hardware name: P5Q DELUXE
GPU lockup (waiting for 0x0002E9D8 last fence id 0x0002E9D6)
Modules linked in: binfmt_misc parport_pc ppdev snd_hda_codec_atihdmi snd_hda_intel snd_ice1712 snd_ice17xx_ak4xxx snd_ak4xxx_adda snd_cs8427 snd_ac97_codec snd_hda_codec snd_hwdep snd_pcm ac97_bus snd_i2c snd_mpu401_uart snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd radeon soundcore ttm drm_kms_helper drm intel_agp i2c_algo_bit snd_page_alloc lp asus_atk0110 parport usbhid hid skge ahci firewire_ohci firewire_core crc_itu_t libahci sky2
Pid: 1024, comm: Xorg Not tainted 2.6.35-17-generic #23-Ubuntu
Call Trace:
 [<ffffffff8105f72f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff8105f826>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa01485e5>] radeon_fence_wait+0x365/0x3d0 [radeon]
 [<ffffffff8107e510>] ? autoremove_wake_function+0x0/0x40
 [<ffffffffa0148de1>] radeon_sync_obj_wait+0x11/0x20 [radeon]
 [<ffffffffa01001a3>] ttm_bo_wait+0x103/0x1c0 [ttm]
 [<ffffffffa0104641>] ttm_bo_vm_fault+0x231/0x2f0 [ttm]
 [<ffffffff81014350>] ? save_i387_xstate+0xd0/0x210
 [<ffffffffa0148d8b>] radeon_ttm_fault+0x5b/0x80 [radeon]
 [<ffffffff8111c974>] __do_fault+0x54/0x560
 [<ffffffff81586c35>] ? _raw_spin_lock_irq+0x15/0x20
 [<ffffffff810097d1>] ? handle_signal+0x131/0x280
 [<ffffffff8111f8a9>] handle_mm_fault+0x1b9/0x440
 [<ffffffff810141f8>] ? restore_i387_xstate+0x138/0x1c0
 [<ffffffff8116171d>] ? vfs_ioctl+0x3d/0xd0
 [<ffffffff8158a8fa>] do_page_fault+0x12a/0x350
 [<ffffffff81587475>] page_fault+0x25/0x30
---[ end trace 24046e851ac25e7a ]---