abrt version: 2.0.1
architecture:   x86_64
cmdline:        ro root=/dev/mapper/vg_nbfedora-lv_root rd_LVM_LV=vg_nbfedora/lv_root rd_LVM_LV=vg_nbfedora/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=ru rhgb quiet
component:      kernel
kernel:         2.6.38.8-32.fc15.x86_64
kernel_tainted: 128
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
time:           Thu Jun 23 21:49:57 2011

backtrace:
:BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
:IP: [<ffffffff810e0857>] __do_page_cache_readahead+0xe7/0x177
:PGD 6e425067 PUD 679b9067 PMD 0 
:Oops: 0000 [#2] SMP 
:last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/dev
:CPU 0 
:Modules linked in: tcp_lp sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf fuse arc4 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iwlagn snd_timer ppdev uvcvideo videodev parport_pc iwlcore microcode btusb mac80211 v4l2_compat_ioctl32 bluetooth snd cfg80211 e1000e irda iTCO_wdt rfkill joydev i2c_i801 soundcore tpm_infineon serio_raw snd_page_alloc iTCO_vendor_support crc_ccitt parport fujitsu_laptop uas usb_storage firewire_ohci firewire_core sdhci_pci sdhci yenta_socket mmc_core crc_itu_t i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 6222, comm: sendmail Tainted: G      D     2.6.38.8-32.fc15.x86_64 #1 FUJITSU SIEMENS LIFEBOOK E8420/FJNB1E8
:RIP: 0010:[<ffffffff810e0857>]  [<ffffffff810e0857>] __do_page_cache_readahead+0xe7/0x177
:RSP: 0018:ffff8800231d7b48  EFLAGS: 00010202
:RAX: 0000000000000000 RBX: ffff88007533d078 RCX: 0000000000000001
:RDX: 0000000000000001 RSI: ffff8800231d7b88 RDI: 0000000000000000
:RBP: ffff8800231d7bc8 R08: ffff8800231d7b88 R09: 00000000000408d6
:R10: 0000000000000001 R11: 0000000000003690 R12: 0000000000000001
:R13: ffff88007533d078 R14: 0000000000000001 R15: 0000000000000000
:FS:  00007f4c9d137720(0000) GS:ffff88007bc00000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
:CR2: 0000000000000028 CR3: 000000006aa15000 CR4: 00000000000006f0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process sendmail (pid: 6222, threadinfo ffff8800231d6000, task ffff880061480000)
:Stack:
: ffff88007be3d700 ffffea000176f428 0000000000000004 0000000000000001
: ffff88007533d080 0000000000000000 ffff88001ca6b840 0000000000000001
: ffffea000176f450 ffffea000176f450 ffff8800231d7fd8 ffff88001ca6b8b0
:Call Trace:
: [<ffffffff810e0b4d>] ra_submit+0x21/0x25
: [<ffffffff810e0d1a>] ondemand_readahead+0x1c9/0x1d8
: [<ffffffff810e0e09>] page_cache_sync_readahead+0x3d/0x40
: [<ffffffff810d96c8>] generic_file_aio_read+0x27d/0x5e0
: [<ffffffff8112114a>] do_sync_read+0xbf/0xff
: [<ffffffff811ea028>] ? avc_has_perm+0x51/0x63
: [<ffffffff811e8102>] ? security_file_permission+0x2e/0x33
: [<ffffffff81121436>] ? rw_verify_area+0xb0/0xcd
: [<ffffffff811217b1>] vfs_read+0xa9/0xf0
: [<ffffffff811257d3>] kernel_read+0x41/0x4f
: [<ffffffff811258c5>] prepare_binprm+0xe4/0xe8
: [<ffffffff8112714b>] do_execve+0x114/0x277
: [<ffffffff810115b9>] sys_execve+0x43/0x5a
: [<ffffffff8100a01c>] stub_execve+0x6c/0xc0
:Code: 00 48 3b 5d 98 48 8b 45 88 75 05 f0 80 48 02 04 41 ff c4 41 ff c6 49 63 de 48 3b 5d 90 72 8a 45 85 e4 4c 89 eb 74 73 49 8b 45 58 
:RIP  [<ffffffff810e0857>] __do_page_cache_readahead+0xe7/0x177
: RSP <ffff8800231d7b48>
:CR2: 0000000000000028