I found this fragment in /var/log/syslog - guess that was the message, I was unable to see it completely:
Mar 20 21:51:34 archeee kernel: [ 4841.668386] Mar 20 21:51:34 archeee kernel: [ 4841.668386] Pid: 24333, comm: blkid Not tainted 3.2.0-19-generic-pae #30-Ubuntu ASUSTeK Computer INC. 1000H/1000H Mar 20 21:51:34 archeee kernel: [ 4841.668386] EIP: 0060:[<c13c8c61>] EFLAGS: 00010286 CPU: 1 Mar 20 21:51:34 archeee kernel: [ 4841.668386] EIP is at sd_revalidate_disk+0x21/0x290 Mar 20 21:51:34 archeee kernel: [ 4841.668386] EAX: 00000000 EBX: 00000000 ECX: 00000002 EDX: c13c8c40 Mar 20 21:51:34 archeee kernel: [ 4841.668386] ESI: eecd8860 EDI: eecd8800 EBP: ee217d48 ESP: ee217d28 Mar 20 21:51:34 archeee kernel: [ 4841.668386] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Mar 20 21:51:34 archeee kernel: [ 4841.668386] Process blkid (pid: 24333, ti=ee216000 task=f1d60ca0 task.ti=ee216000) Mar 20 21:51:34 archeee kernel: [ 4841.749628] Stack: Mar 20 21:51:34 archeee kernel: [ 4841.749628] c115b3c3 f4021a00 00000000 00000002 00000001 00000000 eecd8860 eecd8800 Mar 20 21:51:34 archeee kernel: [ 4841.749628] ee217db4 c119dd32 00000307 c13a6df7 c109235a f8446400 ee217d68 c137fd44 Mar 20 21:51:34 archeee kernel: [ 4841.749628] ee217d78 c13a6de4 f3344600 eecd8860 00000000 f4021a00 ee768400 ffffff85 Mar 20 21:51:34 archeee kernel: [ 4841.749628] Call Trace: Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c115b3c3>] ? iput+0x23/0x40 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c119dd32>] rescan_partitions+0x82/0x350 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c13a6df7>] ? scsi_device_put+0x47/0x50 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c109235a>] ? module_refcount+0x7a/0x90 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c137fd44>] ? put_device+0x14/0x20 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c13a6de4>] ? scsi_device_put+0x34/0x50 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c13c654f>] ? sd_open+0xff/0x1d0 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1175406>] __blkdev_get+0x266/0x3c0 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c11755a7>] blkdev_get+0x47/0x180 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c15a6bad>] ? _raw_spin_lock+0xd/0x10 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1175730>] blkdev_open+0x50/0x70 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1141dae>] __dentry_open+0x25e/0x310 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c11756e0>] ? blkdev_get+0x180/0x180 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c114232a>] vfs_open+0x3a/0x50 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1143229>] nameidata_to_filp+0x39/0x40 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c11505d7>] do_last+0x367/0x660 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1151904>] path_openat+0xa4/0x350 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1116e25>] ? handle_pte_fault+0x95/0x2c0 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1151cc1>] do_filp_open+0x31/0x80 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c12b6928>] ? strncpy_from_user+0x38/0x70 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c115d253>] ? alloc_fd+0xa3/0xe0 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c1143311>] do_sys_open+0xe1/0x1f0 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c114344e>] sys_open+0x2e/0x40 Mar 20 21:51:34 archeee kernel: [ 4841.749628] [<c15adf9f>] sysenter_do_call+0x12/0x28 Mar 20 21:51:34 archeee kernel: [ 4841.749628] Code: 74 26 00 8d bc 27 00 00 00 00 55 89 e5 83 ec 20 89 5d f4 89 75 f8 89 7d fc 3e 8d 74 26 00 8b 98 e8 01 00 00 89 c7 a1 c0 81 a0 c1 <8b> 73 04 c1 e8 15 83 e0 07 83 f8 03 0f 87 fa 01 00 00 8b 86 94 Mar 20 21:51:34 archeee kernel: [ 4841.749628] EIP: [<c13c8c61>] sd_revalidate_disk+0x21/0x290 SS:ESP 0068:ee217d28 Mar 20 21:51:34 archeee kernel: [ 4841.749628] CR2: 0000000000000004 Mar 20 21:51:34 archeee kernel: [ 4841.911393] WARNING! power/level is deprecated; use power/control instead Mar 20 21:51:34 archeee udevd[24146]: '/sbin/blkid -o udev -p /dev/sdb' [24333] terminated by signal 9 (Killed) Mar 20 21:51:34 archeee kernel: [ 4841.937448] ---[ end trace d729f611294a1a58 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/960608 Title: BUG: unable to handle kernel NULL pointer dereference at 00000004 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/960608/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
