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kernel BUG at /build/buildd/linux-2.6.31/mm/mmap.c:2229!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0/charge_full
Modules linked in: nls_iso8859_1 nls_cp437 vfat fat hidp binfmt_misc snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event iptable_filter snd_seq ip_tables snd_timer snd_seq_device uvcvideo x_tables ppdev bridge stp bnep joydev videodev v4l1_compat snd psmouse soundcore serio_raw snd_page_alloc btusb rt2860sta(C) eeepc_laptop lp parport fbcon tileblit font bitblit softcursor usb_storage atl1e i915 drm i2c_algo_bit intel_agp agpgart video output

Pid: 4331, comm: sync Tainted: G    B    C (2.6.31-14-generic #48-Ubuntu) 901
EIP: 0060:[<c01cf82f>] EFLAGS: 00010202 CPU: 0
EIP is at exit_mmap+0x14f/0x160
EAX: 00000002 EBX: 00000000 ECX: f5e17c08 EDX: 00000023
ESI: f6a19340 EDI: c1ffd040 EBP: f5e89e48 ESP: f5e89e28
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process sync (pid: 4331, ti=f5e88000 task=f5c66480 task.ti=f5e88000)
Stack:
 00000000 f5e89e34 00000000 00000043 c1ffd040 f6a19340 f5c66480 f5c66888
<0> f5e89e54 c014361e f6a19340 f5e89e74 c0147bb2 f6a19378 c1ffdea0 f5e89e74
<0> f5c66480 00000001 0000000b f5e89e9c c0147ddc c01527dd 00000000 f5e89ec8
Call Trace:
 [<c014361e>] ? mmput+0x2e/0xa0
 [<c0147bb2>] ? exit_mm+0xe2/0x120
 [<c0147ddc>] ? do_exit+0xfc/0x2e0
 [<c01527dd>] ? dequeue_signal+0x2d/0x170
 [<c0147ffa>] ? do_group_exit+0x3a/0xb0
 [<c015403f>] ? get_signal_to_deliver+0x18f/0x300
 [<c010304b>] ? do_signal+0x6b/0x160
 [<c01b2ea1>] ? unlock_page+0x41/0x50
 [<c01cc264>] ? handle_mm_fault+0x134/0x380
 [<c0128cea>] ? __bad_area+0x3a/0x50
 [<c0128d32>] ? bad_area_access_error+0x12/0x20
 [<c0572d84>] ? do_page_fault+0x1d4/0x380
 [<c05708b8>] ? _spin_lock+0x8/0x10
 [<c0572bb0>] ? do_page_fault+0x0/0x380
 [<c010318d>] ? do_notify_resume+0x4d/0x60
 [<c0103448>] ? work_notifysig+0x13/0x1b
Code: 00 00 00 00 8b 07 c7 47 08 00 00 00 00 e8 6a d1 f5 ff 8b 57 04 83 fa ff 74 9b 8d 47 10 e8 4a 65 00 00 c7 47 04 00 00 00 00 eb 8a <0f> 0b eb fe e8 08 cf 00 00 e9 c3 fe ff ff 8d 76 00 55 89 e5 57 
EIP: [<c01cf82f>] exit_mmap+0x14f/0x160 SS:ESP 0068:f5e89e28
---[ end trace 46a0e6ae75deef05 ]---