abrt version: 2.0.3
architecture:   x86_64
cmdline:        ro root=UUID=3db7b772-a85b-4156-b7be-04f4d1aa5300 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=uk rhgb quiet
comment:        I don't know :/
component:      kernel
kernel:         2.6.38.8-32.fc15.x86_64
kernel_tainted: 128
kernel_tainted_long: Kernel has oopsed before.
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         BUG: unable to handle kernel NULL pointer dereference at 0000000000000600
time:           Thu Jul  7 00:23:26 2011

backtrace:
:BUG: unable to handle kernel NULL pointer dereference at 0000000000000600
:IP: [<ffffffff812fd60d>] scsi_prep_state_check+0x9/0x75
:PGD 0 
:Oops: 0000 [#1] SMP 
:last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb2/speed
:CPU 0 
:Modules linked in: vfat fat nls_utf8 usb_storage uas tcp_diag inet_diag tcp_lp fuse ppdev parport_pc lp parport 8021q garp stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables arc4 snd_hda_codec_hdmi snd_hda_codec_idt iwlagn snd_hda_intel snd_hda_codec snd_hwdep vboxnetadp snd_seq vboxnetflt snd_seq_device iwlcore vboxdrv snd_pcm mac80211 uvcvideo dell_wmi cfg80211 snd_timer videodev e1000e snd v4l2_compat_ioctl32 soundcore snd_page_alloc i2c_i801 iTCO_wdt iTCO_vendor_support dell_laptop rfkill joydev sparse_keymap wmi dcdbas microcode ipv6 sdhci_pci firewire_ohci sdhci mmc_core firewire_core yenta_socket crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 9388, comm: umount Not tainted 2.6.38.8-32.fc15.x86_64 #1 Dell Inc. Latitude E6500                  /0NY667
:RIP: 0010:[<ffffffff812fd60d>]  [<ffffffff812fd60d>] scsi_prep_state_check+0x9/0x75
:RSP: 0018:ffff8800c070d9e8  EFLAGS: 00010046
:RAX: 0000000000000001 RBX: ffff880113b59c20 RCX: 0000000000003d0a
:RDX: 0000000000000000 RSI: ffff880113b59c20 RDI: 0000000000000000
:RBP: ffff8800c070d9e8 R08: 0000000000000002 R09: 0000ffff00066c0a
:R10: 0000ffff00066c0a R11: 0000000000000000 R12: ffff880113b573d0
:R13: 0000000000000000 R14: ffff8800c3a16600 R15: 0000000000000000
:FS:  00007fd101f82820(0000) GS:ffff8800dcc00000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
:CR2: 0000000000000600 CR3: 000000003101a000 CR4: 00000000000006f0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process umount (pid: 9388, threadinfo ffff8800c070c000, task ffff8800317cdcc0)
:Stack:
: ffff8800c070da18 ffffffff812fe015 0000000000000002 ffff880113b59c20
: ffff880113b573d0 ffff880113b578c8 ffff8800c070da38 ffffffff812fe12f
: ffff880113b59c20 ffff880113b573d0 ffff8800c070da68 ffffffff81216bc9
:Call Trace:
: [<ffffffff812fe015>] scsi_setup_blk_pc_cmnd+0x1b/0x10c
: [<ffffffff812fe12f>] scsi_prep_fn+0x29/0x3b
: [<ffffffff81216bc9>] blk_peek_request+0xe1/0x1c2
: [<ffffffff812fd86a>] scsi_request_fn+0x48/0x421
: [<ffffffff81216731>] __generic_unplug_device+0x34/0x38
: [<ffffffff81219766>] blk_execute_rq_nowait+0x75/0x9c
: [<ffffffff81219826>] blk_execute_rq+0x99/0xcf
: [<ffffffff81216907>] ? blk_get_request+0x3f/0x6e
: [<ffffffff812fc914>] scsi_execute+0xf4/0x146
: [<ffffffff812fca02>] scsi_execute_req+0x9c/0xce
: [<ffffffff812f8a9c>] ioctl_internal_command.constprop.1+0x6b/0x163
: [<ffffffff8146fa9e>] ? __slab_free+0x27/0xeb
: [<ffffffff812f8bed>] scsi_set_medium_removal+0x59/0x94
: [<ffffffff8130b225>] sr_lock_door+0x20/0x22
: [<ffffffff8132c475>] cdrom_release+0x195/0x205
: [<ffffffff8104127e>] ? should_resched+0xe/0x2d
: [<ffffffff81474408>] ? _cond_resched+0xe/0x22
: [<ffffffff8130a1b9>] sr_block_release+0x30/0x4d
: [<ffffffff81149aa2>] __blkdev_put+0xc6/0x179
: [<ffffffff81149c59>] blkdev_put+0x104/0x10c
: [<ffffffff81122f69>] kill_block_super+0x65/0x6a
: [<ffffffff811231a5>] deactivate_locked_super+0x26/0x4b
: [<ffffffff81123d0e>] deactivate_super+0x37/0x3b
: [<ffffffff8113863c>] mntput_no_expire+0xcc/0xd1
: [<ffffffff81139073>] sys_umount+0x2ac/0x2da
: [<ffffffff81009bc2>] system_call_fastpath+0x16/0x1b
:Code: c7 2f 81 31 f6 e8 b8 94 ff ff eb 11 48 c7 c2 51 d5 2f 81 31 f6 48 89 df e8 9e 59 fe ff 41 5b 5b 5d c3 55 48 89 e5 0f 1f 44 00 00 <8b> 97 00 06 00 00 31 c0 83 fa 02 74 5d 8d 42 fc 83 f8 04 77 4c 
:RIP  [<ffffffff812fd60d>] scsi_prep_state_check+0x9/0x75
: RSP <ffff8800c070d9e8>