BUG: unable to handle kernel paging request at f76fe200
IP: [<c0242438>] ext3_iget+0x58/0x390
*pde = 00007067 *pte = 399ee6fe 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:2d/ACPI0003:00/power_supply/ACAD/online
Modules linked in: binfmt_misc ppdev bridge stp bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss arc4 snd_pcm ecb snd_seq_dummy snd_seq_oss pcmcia snd_seq_midi iwl3945 iptable_filter snd_rawmidi iwlcore snd_seq_midi_event yenta_socket mac80211 rsrc_nonstatic snd_seq ip_tables snd_timer x_tables btusb pcmcia_core snd_seq_device cfg80211 joydev nvidia(P) sdhci_pci sdhci snd soundcore snd_page_alloc acer_wmi led_class psmouse serio_raw sbp2 irda crc_ccitt lp parport dm_raid45 xor usbhid usb_storage ohci1394 ieee1394 tg3 video output intel_agp agpgart

Pid: 4308, comm: packagekitd Tainted: P           (2.6.31-14-generic #48-Ubuntu) Aspire 5650     
EIP: 0060:[<c0242438>] EFLAGS: 00010286 CPU: 0
EIP is at ext3_iget+0x58/0x390
EAX: f6ecdb00 EBX: ec0de484 ECX: f76fe200 EDX: f632fdac
ESI: ec0de3f0 EDI: 00abc765 EBP: f632fdc4 ESP: f632fd9c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process packagekitd (pid: 4308, ti=f632e000 task=f71ee480 task.ti=f632e000)
Stack:
 00000017 f632fdd0 00000246 f6c98330 f6ecdb00 00000200 000002af ec0b5110
<0> f6cc2c64 00abc765 f632fdec c0247dbf c05708b8 f632fdec c01f9676 f632fe58
<0> f76e5644 c0588b60 fffffff4 f6cc2cdc f632fe0c c01ef927 f632fef0 f6cc2c64
Call Trace:
 [<c0247dbf>] ? ext3_lookup+0x7f/0x100
 [<c05708b8>] ? _spin_lock+0x8/0x10
 [<c01f9676>] ? d_alloc+0x136/0x190
 [<c01ef927>] ? real_lookup+0xb7/0x110
 [<c01f107d>] ? do_lookup+0x8d/0xb0
 [<c01f1a24>] ? __link_path_walk+0x584/0xb90
 [<c0487200>] ? apparmor_file_alloc_security+0x20/0x90
 [<c05708b8>] ? _spin_lock+0x8/0x10
 [<c01e8a4f>] ? get_empty_filp+0xcf/0x1c0
 [<c01f21c1>] ? path_walk+0x41/0x90
 [<c01f2261>] ? do_path_lookup+0x51/0x90
 [<c01f3068>] ? do_filp_open+0xa8/0x890
 [<c01e334e>] ? mem_cgroup_update_mapped_file_stat+0x1e/0x70
 [<c01e5500>] ? do_sys_open+0x50/0x150
 [<c01e5669>] ? sys_open+0x29/0x40
 [<c010336c>] ? syscall_call+0x7/0xb
Code: c3 66 90 8d b0 6c ff ff ff 31 c9 c7 46 54 00 00 00 00 8d 55 e8 e8 d9 fc ff ff 85 c0 0f 88 91 02 00 00 8b 45 e8 8b 48 18 03 4d ec <0f> b7 11 66 89 53 72 0f b7 79 02 89 7b 2c 0f b7 51 18 89 55 e4 
EIP: [<c0242438>] ext3_iget+0x58/0x390 SS:ESP 0068:f632fd9c
CR2: 00000000f76fe200
---[ end trace 784989c8057df6bf ]---