BUG: unable to handle kernel paging request at 0027000d
IP: [<f81b2c49>] ttm_bo_cleanup_refs+0x19/0x200 [lbm_ttm]
*pde = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/ATK0110:00/hwmon/hwmon2/temp2_label
Modules linked in: nls_utf8 cifs binfmt_misc ppdev vboxdrv nfsd exportfs nfs lockd nfs_acl auth_rpcgss sunrpc iptable_mangle iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables snd_cmipci x_tables gameport snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_opl3_lib snd_hwdep snd_mpu401_uart snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device fbcon snd tileblit font bitblit softcursor soundcore asus_atk0110 k8temp i2c_nforce2 lp parport lbm_nouveau lbm_ttm dm_raid45 i2c_algo_bit lbm_drm_kms_helper lbm_drm forcedeth agpgart usbhid xor

Pid: 6, comm: events/0 Not tainted (2.6.32-14-generic #20-Ubuntu) System Product Name
EIP: 0060:[<f81b2c49>] EFLAGS: 00010292 CPU: 0
EIP is at ttm_bo_cleanup_refs+0x19/0x200 [lbm_ttm]
EAX: 00270001 EBX: e1325b40 ECX: e1325540 EDX: 00000000
ESI: 00000000 EDI: e1325b78 EBP: f708df1c ESP: f708def4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process events/0 (pid: 6, ti=f708c000 task=f707c010 task.ti=f708c000)
Stack:
 f81b47dd f708df0c f81b1fab e1325aa8 f81b1f40 e1325a80 00270001 e1325e40
<0> 00000000 e1325b40 f708df40 f81b2eaf 00000000 f6b80324 0007c010 f71befcc
<0> f6b80334 c2408ce0 c2408ce0 f708df4c f81b2f28 f6b80334 f708df88 c0161c6e
Call Trace:
 [<f81b47dd>] ? ttm_transfered_destroy+0xd/0x10 [lbm_ttm]
 [<f81b1fab>] ? ttm_bo_release_list+0x6b/0xb0 [lbm_ttm]
 [<f81b1f40>] ? ttm_bo_release_list+0x0/0xb0 [lbm_ttm]
 [<f81b2eaf>] ? ttm_bo_delayed_delete+0x7f/0xe0 [lbm_ttm]
 [<f81b2f28>] ? ttm_bo_delayed_workqueue+0x18/0x30 [lbm_ttm]
 [<c0161c6e>] ? run_workqueue+0x8e/0x150
 [<f81b2f10>] ? ttm_bo_delayed_workqueue+0x0/0x30 [lbm_ttm]
 [<c0161db4>] ? worker_thread+0x84/0xe0
 [<c0165d30>] ? autoremove_wake_function+0x0/0x50
 [<c0161d30>] ? worker_thread+0x0/0xe0
 [<c0165aa4>] ? kthread+0x74/0x80
 [<c0165a30>] ? kthread+0x0/0x80
 [<c0104087>] ? kernel_thread_helper+0x7/0x10
Code: a4 fe 3e c8 eb a9 8d b6 00 00 00 00 8d bf 00 00 00 00 55 89 e5 57 56 53 83 ec 1c 0f 1f 44 00 00 89 c3 8b 40 04 8d 7b 38 89 45 f0 <8b> 48 0c 89 f8 8b 33 88 55 e0 89 4d ec e8 d5 25 3f c8 0f b6 55 
EIP: [<f81b2c49>] ttm_bo_cleanup_refs+0x19/0x200 [lbm_ttm] SS:ESP 0068:f708def4
CR2: 000000000027000d
---[ end trace fdcc0f01788f33ed ]---