libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.1.9-1.fc16.i686 root=UUID=035beef1-f1dc-4f55-afbb-ae782da4245b ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8 drm.debug=1
comment:        it happen these days, not just once. when this happen the whole system hangs with numlock and scroll lock led blinks.
kernel:         3.1.9-1.fc16.i686
reason:         BUG: unable to handle kernel paging request at bc6dea74
time:           Wed 18 Jan 2012 11:11:21 PM HKT

backtrace:
:BUG: unable to handle kernel paging request at bc6dea74
:IP: [<c0402fd4>] do_signal+0x424/0x830
:*pde = 00000000 
:Oops: 0000 [#1] SMP 
:Modules linked in: ppdev parport_pc lp parport fcoe libfcoe libfc lockd scsi_transport_fc scsi_tgt 8021q garp stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables reiserfs nls_utf8 nls_cp936 vfat fat fuse snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device iTCO_wdt 8139too iTCO_vendor_support 8139cp snd_pcm mii microcode snd_timer snd soundcore snd_page_alloc i2c_i801 i2c_core uinput sunrpc [last unloaded: nf_defrag_ipv4]
:Pid: 935, comm: Xorg Not tainted 3.1.9-1.fc16.i686 #1  
:EIP: 0060:[<c0402fd4>] EFLAGS: 00213246 CPU: 0
:EIP is at do_signal+0x424/0x830
:EAX: f30c0000 EBX: f30c00b4 ECX: bf9a6f64 EDX: f62eb240
:ESI: f62eb5d0 EDI: bf9a6f64 EBP: f30c1f9c ESP: f30c1ecc
: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
:Process Xorg (pid: 935, ti=f30c0000 task=f62eb240 task.ti=f30c0000)
:Stack:
: 00000000 4595c529 00000006 f62eb240 00000006 00000004 0000000b 00000000
: 0000000b c018eed3 0000000b 00000000 00030001 00000004 00080000 00000000
: 00000000 c018eed3 00000004 f30c1f30 c0904081 00030001 f6344898 f30c1fb4
:Call Trace:
: [<c0904081>] ? bad_area+0x38/0x3e
: [<c0910e80>] ? vmalloc_fault+0xee/0xee
: [<c09112db>] ? do_page_fault+0x45b/0x460
: [<c053127a>] ? path_put+0x1a/0x20
: [<c049fa46>] ? audit_syscall_exit+0x176/0x1a0
: [<c0910e80>] ? vmalloc_fault+0xee/0xee
: [<c0403607>] do_notify_resume+0x87/0xb0
: [<c090db10>] work_notifysig+0x13/0x1b
:Code: 4c ff ff ff 00 00 00 00 85 c9 74 13 8b ba bc 03 00 00 03 ba b8 03 00 00 8d b4 26 00 00 00 f0 64 8b 15 2c 45 c5 c0 00 42 0d 20 c7 <85> 54 ff f0 ff 00 00 00 00 74 0c 00 3d d8 a7 b5 c0 89 bd f0 ff 
:EIP: [<c0402fd4>] do_signal+0x424/0x830 SS:ESP 0068:f30c1ecc
:CR2: 00000000bc6dea74