abrt version: 2.0.1
architecture:   i686
cmdline:        ro root=/dev/mapper/VolGroup-lv_root rd_LVM_LV=VolGroup/lv_root rd_LVM_LV=VolGroup/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
component:      kernel
kernel:         2.6.38.7-30.fc15.i686.PAE
kernel_tainted: 128
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         BUG: unable to handle kernel NULL pointer dereference at 00000022
reported_to:    kerneloops: URL=http://submit.kerneloops.org/submitoops.php
time:           Tue Jun  7 08:18:28 2011

backtrace:
:BUG: unable to handle kernel NULL pointer dereference at 00000022
:IP: [<00000022>] 0x22
:*pdpt = 0000000019138001 *pde = 000000011e4d7067 
:Oops: 0010 [#1] SMP 
:last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb2/speed
:Modules linked in: nls_utf8 udf ses enclosure usb_storage uas fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc vboxnetadp vboxnetflt vboxdrv sunrpc cpufreq_ondemand acpi_cpufreq mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables btusb bluetooth uvcvideo videodev virtio_net kvm_intel kvm snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm dell_wmi b44 sparse_keymap arc4 r852 ssb sm_common iwl3945 dell_laptop iwlcore nand dcdbas nand_ids microcode nand_ecc mtd iTCO_wdt mii mac80211 cfg80211 joydev iTCO_vendor_support snd_timer i2c_i801 snd rfkill soundcore snd_page_alloc wmi ipv6 sdhci_pci firewire_ohci sdhci mmc_core firewire_core crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 6713, comm: umount Not tainted 2.6.38.7-30.fc15.i686.PAE #1 Dell Inc. Inspiron 1520                   /0KY767
:EIP: 0060:[<00000022>] EFLAGS: 00010206 CPU: 1
:EIP is at 0x22
:EAX: f1913180 EBX: 00000022 ECX: 00000010 EDX: eeb331d0
:ESI: eeb331d0 EDI: 00000000 EBP: eba63d5c ESP: eba63d54
: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
:Process umount (pid: 6713, ti=eba62000 task=ebc08c90 task.ti=eba62000)
:Stack:
: c05be0aa f1913180 eba63d88 c05c25c9 ecc58000 00000000 00000001 01a63d90
: 00000001 02000000 f1913180 00000010 04000000 eba63dcc c05c2e99 00000010
: 00000000 00000000 f451cd00 00000000 00000000 00000002 f451cd00 f71fce40
:Call Trace:
: [<c05be0aa>] ? elv_set_request+0x17/0x25
: [<c05c25c9>] get_request+0x186/0x21c
: [<c05c2e99>] get_request_wait+0x2b/0x132
: [<c0435b4e>] ? __might_sleep+0x29/0xe4
: [<c05c2fda>] blk_get_request+0x3a/0x63
: [<c06953c8>] scsi_execute+0x26/0x110
: [<c06954e6>] ? scsi_execute_req+0x34/0xad
: [<c0695537>] scsi_execute_req+0x85/0xad
: [<c0691c33>] ioctl_internal_command.constprop.1+0x6f/0x15f
: [<c0691d73>] scsi_set_medium_removal+0x50/0x87
: [<c04bbc9f>] ? truncate_inode_pages_range+0x18c/0x209
: [<c06a2bf7>] sr_lock_door+0x1b/0x1d
: [<c06c1795>] cdrom_release+0x180/0x1e2
: [<c04697f4>] ? smp_call_function_many+0xdd/0x1b4
: [<c0435b4e>] ? __might_sleep+0x29/0xe4
: [<c050cd1c>] ? brelse+0x11/0x13
: [<c042f67b>] ? should_resched+0xd/0x27
: [<c07e7d69>] ? _cond_resched+0xd/0x21
: [<c06a1cee>] sr_block_release+0x28/0x3f
: [<c0511248>] __blkdev_put+0xa7/0x135
: [<c05113b8>] blkdev_put+0xe2/0xe7
: [<c04ef407>] kill_block_super+0x5c/0x60
: [<c04ef5de>] deactivate_locked_super+0x1f/0x40
: [<c04eff6f>] deactivate_super+0x2e/0x31
: [<c0501b1c>] mntput_no_expire+0xb5/0xb9
: [<c05023ba>] sys_umount+0x270/0x297
: [<c04f5422>] ? path_put+0x1a/0x1d
: [<c040969f>] sysenter_do_call+0x12/0x28
:Code:  Bad EIP value.

event_log:
:2011-06-07-09:19:03> Submitting oops report to http://submit.kerneloops.org/submitoops.php
:2011-06-07-09:19:05  Kernel oops report was uploaded