I'm seeing this every few weeks on a system using ecryptfs for /home, with 3.0.0 kernel (saw it with 3.0.0 rc kernels as well). The device is a laptop, generally not rebooted, but suspended. [107817.958549] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-28] [107817.958562] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000127]) [107817.982311] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-28] [107817.982329] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000128]) [107818.172803] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-28] [107818.172821] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000005]) [107849.184605] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,discard,commit=0 [108247.492737] ------------[ cut here ]------------ [108247.496027] kernel BUG at /home/kernel-ppa/COD/linux/fs/ecryptfs/read_write.c:47! [108247.496027] invalid opcode: 0000 [#1] SMP [108247.496027] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat usb_storage uas binfmt_misc parport_pc ppdev sha256_generic cryptd aes_i586 aes_generic dm_crypt snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep joydev snd_pcm arc4 snd_seq_midi samsung_laptop snd_rawmidi ath9k mac80211 ath9k_common snd_seq_midi_event ath9k_hw snd_seq snd_timer snd_seq_device uvcvideo snd ath videodev cfg80211 psmouse serio_raw soundcore snd_page_alloc lp parport i915 drm_kms_helper drm r8169 i2c_algo_bit video [108247.496027] [108247.496027] Pid: 1538, comm: flush-ecryptfs- Not tainted 3.0.0-0300-generic #201107220917 SAMSUNG ELECTRONICS CO., LTD. N130 /N130 [108247.496027] EIP: 0060:[<c11ffd51>] EFLAGS: 00010246 CPU: 0 [108247.496027] EIP is at ecryptfs_write_lower+0x61/0x70 [108247.496027] EAX: ebc4ac80 EBX: f556ab80 ECX: 00000000 EDX: ec297000 [108247.496027] ESI: 00000000 EDI: ebc4ac80 EBP: de92fd18 ESP: de92fd08 [108247.496027] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [108247.496027] Process flush-ecryptfs- (pid: 1538, ti=de92e000 task=de931960 task.ti=de92e000) [108247.496027] Stack: [108247.496027] 00000000 f556ab80 ebc4ac80 00001000 de92fd5c c1202431 0012b000 00000000 [108247.496027] 00001000 f556ab80 ebc4adfc ec297000 f51bd2e0 00000000 00000000 00000000 [108247.496027] 0012b000 00000000 f556ab80 00000000 00000000 de92fd78 c11ff2c7 00000282 [108247.496027] Call Trace: [108247.496027] [<c1202431>] ecryptfs_encrypt_page+0xf1/0x1a0 [108247.496027] [<c11ff2c7>] ecryptfs_writepage+0x47/0x80 [108247.496027] [<c10e7ff0>] __writepage+0x10/0x40 [108247.496027] [<c10e95dd>] write_cache_pages+0x20d/0x370 [108247.496027] [<c10e7fe0>] ? __set_page_dirty_no_writeback+0x30/0x30 [108247.496027] [<c10e9780>] generic_writepages+0x40/0x60 [108247.496027] [<c10e97cc>] do_writepages+0x2c/0x40 [108247.496027] [<c114c5be>] writeback_single_inode+0xce/0x1e0 [108247.496027] [<c1141ab7>] ? iput_final+0x67/0x110 [108247.496027] [<c114c91a>] writeback_sb_inodes+0xba/0x150 [108247.496027] [<c114cad6>] writeback_inodes_wb+0xa6/0xd0 [108247.496027] [<c114ccd0>] wb_writeback+0x1d0/0x2f0 [108247.496027] [<c152e7df>] ? _raw_spin_lock_irqsave+0x2f/0x50 [108247.496027] [<c1056b4a>] ? lock_timer_base+0x2a/0x50 [108247.496027] [<c11412dd>] ? get_nr_dirty_inodes+0xd/0x20 [108247.496027] [<c114ce7d>] wb_check_old_data_flush+0x8d/0xa0 [108247.496027] [<c114cf84>] wb_do_writeback+0x74/0xc0 [108247.496027] [<c114d051>] bdi_writeback_thread+0x81/0x200 [108247.496027] [<c114cfd0>] ? wb_do_writeback+0xc0/0xc0 [108247.496027] [<c1067425>] kthread+0x75/0x80 [108247.496027] [<c10673b0>] ? kthread_bind+0x80/0x80 [108247.496027] [<c153603e>] kernel_thread_helper+0x6/0x10 [108247.496027] Code: 24 8b 4d 10 e8 d1 b9 f2 ff ba 01 00 00 00 89 c3 89 e0 25 00 e0 ff ff 89 70 18 89 f8 e8 69 c5 f4 ff 89 d8 83 c4 04 5b 5e 5f 5d c3 <0f> 0b eb fe 8d 74 26 00 8d bc 27 00 00 00 00 55 89 e5 56 53 83 [108247.496027] EIP: [<c11ffd51>] ecryptfs_write_lower+0x61/0x70 SS:ESP 0068:de92fd08 [108247.752350] ---[ end trace 09d43839c5968eab ]--- -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe ecryptfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
