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kernel BUG at /build/buildd/linux-2.6.38/fs/ecryptfs/crypto.c:349!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/virtual/backlight/acpi_video0/brightness
Modules linked in: cryptd aes_i586 aes_generic binfmt_misc parport_pc dm_crypt ppdev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep wl(P) lib80211 snd_pcm arc4 snd_seq_midi snd_rawmidi snd_seq_midi_event joydev snd_seq brcm80211(C) mac80211 snd_timer snd_seq_device snd soundcore sp5100_tco cfg80211 uvcvideo psmouse videodev serio_raw snd_page_alloc i2c_piix4 k10temp sparse_keymap shpchp lp parport dm_raid45 xor radeon ttm ahci usbhid drm_kms_helper hid drm video tg3 i2c_algo_bit libahci pata_atiixp

Pid: 11399, comm: dconf-service Tainted: P         C  2.6.38-8-generic #42-Ubuntu eMachines        eME440          /eME440          
EIP: 0060:[<c11f8284>] EFLAGS: 00010246 CPU: 0
EIP is at encrypt_scatterlist+0xe4/0x120
EAX: 00000000 EBX: f277a480 ECX: f27b7cdc EDX: f27b7cf0
ESI: 00000000 EDI: 00001000 EBP: f27b7c9c ESP: f27b7c70
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process dconf-service (pid: 11399, ti=f27b6000 task=edb3a5e0 task.ti=f27b6000)
Stack:
 00000000 00000000 00000000 f27b7cdc f27b7cc8 00000000 f27b7cf0 00000200
 00000000 00000000 00001000 f27b7d10 c11f8ac0 00001000 f27b7cf0 00000000
 00000000 00000000 f5509f60 00000000 f58322c0 f277a480 f5509f62 00000000
Call Trace:
 [<c11f8ac0>] ecryptfs_encrypt_extent+0xe0/0x220
 [<c11f8f51>] ecryptfs_encrypt_page+0x91/0x1d0
 [<c10fcc63>] ? page_address+0xd3/0xe0
 [<c11f760d>] ecryptfs_write_end+0x12d/0x360
 [<c10e18e1>] generic_perform_write+0x121/0x1b0
 [<c10e19c4>] generic_file_buffered_write+0x54/0x90
 [<c10e3910>] __generic_file_aio_write+0x220/0x4e0
 [<c113fd49>] ? vfsmount_lock_local_unlock+0x19/0x20
 [<c11339fa>] ? finish_open+0xca/0x1a0
 [<c1133288>] ? do_path_lookup+0x68/0x120
 [<c10e3c2e>] generic_file_aio_write+0x5e/0xd0
 [<c113fd49>] ? vfsmount_lock_local_unlock+0x19/0x20
 [<c11269e4>] do_sync_write+0xa4/0xe0
 [<c1128301>] ? __fput+0x121/0x1c0
 [<c1126e1c>] ? rw_verify_area+0x6c/0x130
 [<c11271a2>] vfs_write+0xa2/0x170
 [<c1126940>] ? do_sync_write+0x0/0xe0
 [<c1127482>] sys_write+0x42/0x70
 [<c1509bf4>] syscall_call+0x7/0xb
Code: 00 85 c0 74 a6 89 44 24 08 c7 44 24 04 d7 fa 52 c1 c7 04 24 78 bc 69 c1 e8 ea dc ff ff 89 f0 e8 63 00 31 00 b8 ea ff ff ff eb b9 <0f> 0b 8b 43 14 c7 44 24 04 d7 fa 52 c1 c7 04 24 af 4c 6a c1 89 
EIP: [<c11f8284>] encrypt_scatterlist+0xe4/0x120 SS:ESP 0068:f27b7c70
---[ end trace 4649b89236efdd39 ]---