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kernel BUG at /build/buildd/linux-3.0.0/fs/ecryptfs/crypto.c:348!
invalid opcode: 0000 [#1] SMP 
Modules linked in: bnep rfcomm parport_pc dm_crypt ppdev btusb bluetooth joydev msi_laptop sparse_keymap snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep arc4 rt2800pci snd_pcm rt2800lib crc_ccitt rt2x00pci rt2x00lib mac80211 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq psmouse serio_raw snd_timer snd_seq_device cfg80211 eeprom_93cx6 snd soundcore snd_page_alloc binfmt_misc lp parport ahci libahci i915 r8169 drm_kms_helper drm wmi i2c_algo_bit video

Pid: 1644, comm: dconf-service Not tainted 3.0.0-12-generic #19-Ubuntu MICRO-STAR INTERNATIONAL CO., LTD MS-N014/MS-N014
EIP: 0060:[<c11fb546>] EFLAGS: 00010246 CPU: 0
EIP is at encrypt_scatterlist+0xe6/0x120
EAX: 00000000 EBX: 00001000 ECX: e6c6fd7c EDX: e6c6fda4
ESI: db4592fc EDI: db4592fc EBP: e6c6fd50 ESP: e6c6fd24
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process dconf-service (pid: 1644, ti=e6c6e000 task=e930d940 task.ti=e6c6e000)
Stack:
 00000000 00000000 00000000 e6c6fd7c e6c6fd90 00000000 e6c6fda4 00000200
 00001000 00000000 db4592fc e6c6fdc4 c11fbd74 00001000 e6c6fda4 e6c6fda4
 c11fa813 c16c7e2c f7377560 f7363a40 00000000 00000000 f7363a42 00000000
Call Trace:
 [<c11fbd74>] ecryptfs_encrypt_extent+0xe4/0x230
 [<c11fa813>] ? ecryptfs_write_end+0x153/0x310
 [<c11fc2f4>] ecryptfs_encrypt_page+0x94/0x1c0
 [<c11f9fb9>] ecryptfs_writepage+0x29/0x80
 [<c10e63b0>] __writepage+0x10/0x40
 [<c10e684b>] write_cache_pages+0x16b/0x3d0
 [<c10e63a0>] ? set_page_dirty_lock+0x50/0x50
 [<c10e08a9>] ? generic_file_aio_write+0x89/0xd0
 [<c10e6aec>] generic_writepages+0x3c/0x60
 [<c10e7595>] do_writepages+0x35/0x40
 [<c10e007e>] __filemap_fdatawrite_range+0x5e/0x70
 [<c10e0bdb>] filemap_fdatawrite+0x2b/0x30
 [<c10e0c0f>] filemap_write_and_wait+0x2f/0x50
 [<c11f731b>] ecryptfs_flush+0x1b/0x30
 [<c11266c3>] filp_close+0x33/0x80
 [<c1126785>] sys_close+0x75/0xd0
 [<c152c8e4>] syscall_call+0x7/0xb
Code: 00 85 c0 74 a4 89 44 24 08 c7 44 24 04 38 ff 54 c1 c7 04 24 6c 81 6c c1 e8 28 db ff ff 89 f8 e8 51 fd 32 00 b8 ea ff ff ff eb b7 <0f> 0b 8b 46 14 c7 44 24 04 38 ff 54 c1 c7 04 24 b1 13 6d c1 89 
EIP: [<c11fb546>] encrypt_scatterlist+0xe6/0x120 SS:ESP 0068:e6c6fd24
---[ end trace c110d00d545c6661 ]---