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WARNING: at drivers/gpu/drm/radeon/radeon_fence.c:239 radeon_fence_wait+0x35d/0x3c0 [radeon]()
Hardware name: Amilo A1667G Series
GPU lockup (waiting for 0x000DC7E4 last fence id 0x000DC7D7)
Modules linked in: tcp_lp fuse ppdev parport_pc parport sunrpc cryptd aes_x86_64 aes_generic ipv6 cpufreq_ondemand powernow_k8 freq_table mperf uinput arc4 ecb b43 mac80211 snd_via82xx snd_via82xx_modem gameport snd_ac97_codec cfg80211 ac97_bus snd_seq rfkill ssb snd_pcm snd_mpu401_uart snd_rawmidi video edac_core snd_seq_device microcode mmc_core snd_timer output snd snd_page_alloc edac_mce_amd shpchp r8169 mii i2c_viapro pcspkr serio_raw joydev soundcore k8temp ata_generic pata_acpi firewire_ohci firewire_core pata_via sata_via crc_itu_t radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
Pid: 1631, comm: Xorg Not tainted 2.6.35jan+ #6
Call Trace:
[<ffffffff81057b5a>] warn_slowpath_common+0x7a/0xb0
[<ffffffff81057c31>] warn_slowpath_fmt+0x41/0x50
[<ffffffffa00ab4cd>] radeon_fence_wait+0x35d/0x3c0 [radeon]
[<ffffffff810756f0>] ? autoremove_wake_function+0x0/0x40
[<ffffffffa00abc8c>] radeon_sync_obj_wait+0xc/0x10 [radeon]
[<ffffffffa0068e2c>] ttm_bo_wait+0xec/0x190 [ttm]
[<ffffffffa00c1e8e>] radeon_gem_wait_idle_ioctl+0x8e/0x130 [radeon]
[<ffffffffa0019e8a>] drm_ioctl+0x32a/0x490 [drm]
[<ffffffff8106c2fb>] ? get_signal_to_deliver+0xbb/0x410
[<ffffffffa00c1e00>] ? radeon_gem_wait_idle_ioctl+0x0/0x130 [radeon]
[<ffffffff8121a35f>] ? inode_has_perm+0x4f/0x90