sdb: Spinning up disk...........ready
SCSI device sdb: 2091050 512-byte hdwr sectors (1071 MB)
sdb: Write Protect is off
sdb: Mode Sense: 39 00 10 08
SCSI device sdb: drive cache: write back
Unable to handle kernel paging request at virtual address 6c2e736d
 printing eip:
c01ab5b3
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0060:[<c01ab5b3>]    Not tainted
EFLAGS: 00010202
EIP is at devfs_unregister+0x23/0x50
eax: 6c2e736d   ebx: c15f6240   ecx: c15740fc   edx: 00000000
esi: 001fe7e0   edi: c15717e0   ebp: 00000001   esp: d1b13d10
ds: 007b   es: 007b   ss: 0068
Process tcsh (pid: 22836, threadinfo=d1b12000 task=c40eec60)
Stack: 00000000 c017154e c1574150 c0187ce3 c15f6240 00000005 c15717e0 c0188101 
       d7e08740 00000004 0000001e 00000001 fffffffa c15f2c00 fffffffa c0280b9c 
       00000000 00000001 00000000 d7e08740 c15717e0 00000001 c01608ec d7e08740 
Call Trace:
 [<c017154e>] invalidate_device+0x6e/0x90
 [<c0187ce3>] delete_partition+0x83/0xa0
 [<c0188101>] rescan_partitions+0x151/0x160
 [<c0280b9c>] sd_open+0xac/0x120
 [<c01608ec>] do_open+0xfc/0x410
 [<c0160c7e>] blkdev_get+0x7e/0xa0
 [<c0160730>] __check_disk_change+0x40/0x70
 [<c01abc35>] check_disc_changed+0x45/0x50
 [<c01abc6f>] scan_dir_for_removable+0x2f/0x80
 [<c01ac237>] devfs_readdir+0x197/0x220
 [<c016a82e>] vfs_readdir+0x9e/0xa0
 [<c016ab50>] filldir64+0x0/0x120
 [<c016ad0a>] sys_getdents64+0x9a/0xdd
 [<c016ab50>] filldir64+0x0/0x120
 [<c0169b71>] do_fcntl+0xe1/0x1b0
 [<c0158300>] default_llseek+0x0/0xd0
 [<c0158453>] sys_lseek+0x83/0xa0
 [<c010941f>] syscall_call+0x7/0xb

Code: f0 81 28 00 00 00 01 0f 85 2b 23 00 00 89 5c 24 04 8b 43 20