BUG: unable to handle kernel paging request at 00200200
IP: [<c04e6468>] list_del+0x4/0x4d
*pdpt = 0000000022173001 *pde = 0000000000000000 
Oops: 0000 [#1] SMP 
Modules linked in: autofs4 hidp rfcomm l2cap bluetooth sunrpc ipv6 sbs sbshc battery ac parport_pc lp parport sg e1000 ide_cd_mod cdrom button serio_raw rtc_cmos rtc_core i2c_i801 rtc_lib i2c_core pcspkr dm_snapshot dm_zero dm_mirror dm_log dm_mod megaraid_sas sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [last unloaded: microcode]

Pid: 2366, comm: kcopyd Not tainted (2.6.26 #1)
EIP: 0060:[<c04e6468>] EFLAGS: 00010246 CPU: 7
EIP is at list_del+0x4/0x4d
EAX: e117d4c8 EBX: e106c5d8 ECX: 00200200 EDX: e106c668
ESI: e117d4c8 EDI: f3558ac0 EBP: f300eb00 ESP: efc35f0c
 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process kcopyd (pid: 2366, ti=efc35000 task=f34d24c0 task.ti=efc35000)
Stack: e106c5d8 f88c7b3e 00000000 00000000 00000000 0000006e 00000370 f300eb00 
       f88c882e 02f2823a 00000000 00c0ac2d 00000000 ec03ad08 f3558ac0 ec03ad08 
       f38c28c0 f88c7c0e ec03ad08 f3589058 00000000 f88d2e16 00000000 f88c7be6 
Call Trace:
 [<f88c7b3e>] pending_complete+0x80/0x128 [dm_snapshot]
 [<f88c882e>] persistent_commit+0xdc/0xf0 [dm_snapshot]
 [<f88c7c0e>] copy_callback+0x28/0x2c [dm_snapshot]
 [<f88d2e16>] run_complete_job+0x46/0x6f [dm_mod]
 [<f88c7be6>] copy_callback+0x0/0x2c [dm_snapshot]
 [<f88d2c55>] process_jobs+0x1f/0x99 [dm_mod]
 [<f88d2dd0>] run_complete_job+0x0/0x6f [dm_mod]
 [<f88d2ccf>] do_work+0x0/0x38 [dm_mod]
 [<f88d2ce5>] do_work+0x16/0x38 [dm_mod]
 [<c042fc05>] run_workqueue+0x6b/0xe0
 [<c0430282>] worker_thread+0x0/0xbd
 [<c0430335>] worker_thread+0xb3/0xbd
 [<c043247c>] autoremove_wake_function+0x0/0x2d
 [<c04323ba>] kthread+0x38/0x5e
 [<c0432382>] kthread+0x0/0x5e
 [<c0404463>] kernel_thread_helper+0x7/0x10
 =======================
Code: e5 8d 4b 04 8b 51 04 8d 46 04 e8 65 00 00 00 8d 4b 0c 8b 51 04 8d 46 0c 5b 5e 5f e9 54 00 00 00 89 c3 eb eb 90 90 90 53 8b 48 04 <8b> 11 39 c2 74 13 52 50 68 1d 3e 69 c0 e8 43 db f3 ff 0f 0b 83 
EIP: [<c04e6468>] list_del+0x4/0x4d SS:ESP 0068:efc35f0c
---[ end trace 3e64353a09c5d9e6 ]---