abrt version: 2.0.1
architecture:   i686
cmdline:        ro root=UUID=aa5622fa-daaf-4af4-8f66-32e2dd4c5dd3 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=de rhgb quiet
component:      kernel
kernel:         2.6.38.6-26.rc1.fc15.i686
kernel_tainted: 640
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         BUG: unable to handle kernel NULL pointer dereference at 0000036c
time:           Sat Jun 11 00:22:48 2011

backtrace:
:BUG: unable to handle kernel NULL pointer dereference at 0000036c
:IP: [<c0681144>] scsi_prep_state_check+0xc/0x7a
:*pde = 2ca28067 *pte = 00000000 
:Oops: 0000 [#1] SMP 
:last sysfs file: /sys/devices/pci0000:00/0000:00:1d.2/usb4/idVendor
:Modules linked in: nls_utf8 fuse 8021q garp stp llc cpufreq_ondemand acpi_cpufreq mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables snd_hda_codec_realtek snd_hda_intel snd_hda_codec arc4 snd_hwdep ath5k ath snd_seq mac80211 snd_seq_device btusb snd_pcm uvcvideo bluetooth microcode videodev snd_timer iTCO_wdt serio_raw joydev i2c_i801 iTCO_vendor_support cfg80211 snd sky2 soundcore rfkill snd_page_alloc ipv6 uas usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 2167, comm: umount Tainted: G        W   2.6.38.6-26.rc1.fc15.i686 #1 SAMSUNG ELECTRONICS CO., LTD. NC10                       /NC10                       
:EIP: 0060:[<c0681144>] EFLAGS: 00010092 CPU: 0
:EIP is at scsi_prep_state_check+0xc/0x7a
:EAX: 00000000 EBX: f495c828 ECX: c0681af8 EDX: f495c828
:ESI: f48ee520 EDI: 00000000 EBP: f4b0fca8 ESP: f4b0fc98
: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
:Process umount (pid: 2167, ti=f4b0e000 task=f099d7f0 task.ti=f4b0e000)
:Stack:
: 0000001a 00000004 205b621d f495c828 f4b0fcbc c0681a2a f495c828 f48ee520
: 00000000 f4b0fcd0 c0681b1f f495c828 f48ee520 f48ee520 f4b0fcf4 c05b9f10
: 00000000 f495c828 f48ee520 f48ee820 00000000 f495c828 f48ee520 f4b0fd28
:Call Trace:
: [<c0681a2a>] scsi_setup_blk_pc_cmnd+0x14/0xe2
: [<c0681b1f>] scsi_prep_fn+0x27/0x37
: [<c05b9f10>] blk_peek_request+0xbd/0x17e
: [<c0681369>] scsi_request_fn+0x36/0x3b0
: [<c07d62b3>] ? _raw_spin_unlock_irqrestore+0x13/0x15
: [<c0444cd5>] ? del_timer+0x59/0x61
: [<c05b9b11>] __generic_unplug_device+0x30/0x33
: [<c05bc5de>] blk_execute_rq_nowait+0x65/0x84
: [<c05bc689>] blk_execute_rq+0x8c/0xbf
: [<c05bc54c>] ? blk_end_sync_rq+0x0/0x2d
: [<c05b9300>] ? get_request+0x216/0x21c
: [<c05b9b3f>] ? get_request_wait+0x2b/0x132
: [<c042e4e2>] ? __might_sleep+0x29/0xe4
: [<c05b9c80>] ? blk_get_request+0x3a/0x63
: [<c06805b9>] scsi_execute+0xcb/0x110
: [<c0680632>] ? scsi_execute_req+0x34/0xad
: [<c0680683>] scsi_execute_req+0x85/0xad
: [<c067cd7f>] ioctl_internal_command.constprop.1+0x6f/0x15f
: [<c067cebf>] scsi_set_medium_removal+0x50/0x87
: [<c04d7ec8>] ? kmem_cache_free+0x67/0x94
: [<c068de47>] sr_lock_door+0x1b/0x1d
: [<c06ac93d>] cdrom_release+0x180/0x1e2
: [<c048a37e>] ? __call_rcu+0xd9/0xdf
: [<c042e4e2>] ? __might_sleep+0x29/0xe4
: [<c042800f>] ? should_resched+0xd/0x27
: [<c07d5029>] ? _cond_resched+0xd/0x21
: [<c068cf3e>] sr_block_release+0x28/0x3f
: [<c0507ca0>] __blkdev_put+0xa7/0x135
: [<c0507e10>] blkdev_put+0xe2/0xe7
: [<c04e5ec3>] kill_block_super+0x5c/0x60
: [<c04e609a>] deactivate_locked_super+0x1f/0x40
: [<c04e6a2b>] deactivate_super+0x2e/0x31
: [<c04f85d8>] mntput_no_expire+0xb5/0xb9
: [<c04f8e76>] sys_umount+0x270/0x297
: [<c040b9b1>] ? syscall_trace_leave+0xa9/0xbc
: [<c07d66b4>] syscall_call+0x7/0xb
:Code: b9 27 04 68 c0 31 d2 e8 20 9f ff ff eb 0e b9 a4 10 68 c0 31 d2 89 d8 e8 04 9c fe ff 5b 5d c3 55 89 e5 53 83 ec 0c 3e 8d 74 26 00 <8b> 98 6c 03 00 00 89 c1 31 c0 83 fb 02 74 59 8d 43 fc 83 f8 04