Update to my previous comment (#111). I installed an HDD (Western Digital Caviar Black) and since (2.5 months) there has been no problem... until just now. Rebooting does not solve it as it happens quickly after. My last installation has been without system encryption.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1063354 Title: Sudden Read-Only Filesystems Status in “linux” package in Ubuntu: Confirmed Bug description: After upgrading to ubuntu 12.10, I experience sudden locks of my filesystems (I have a root and a home partition with ext4), in which the filesystems suddenly become mounted readonly. /var/log/syslog shows the following entries: Oct 7 20:00:42 StudioXPS signond[3510]: signondaemon.cpp 345 init Failed to SUID root. Secure storage will not be available. Oct 7 20:02:12 StudioXPS kernel: [ 249.193555] ata1.00: exception Emask 0x0 SAct 0x7 SErr 0x0 action 0x0 Oct 7 20:02:12 StudioXPS kernel: [ 249.193561] ata1.00: irq_stat 0x40000001 Oct 7 20:02:12 StudioXPS kernel: [ 249.193565] ata1.00: failed command: READ FPDMA QUEUED Oct 7 20:02:12 StudioXPS kernel: [ 249.193572] ata1.00: cmd 60/20:00:90:6f:53/00:00:1a:00:00/40 tag 0 ncq 16384 in Oct 7 20:02:12 StudioXPS kernel: [ 249.193572] res 41/40:20:98:6f:53/00:00:1a:00:00/40 Emask 0x409 (media error) <F> Oct 7 20:02:12 StudioXPS kernel: [ 249.193575] ata1.00: status: { DRDY ERR } Oct 7 20:02:12 StudioXPS kernel: [ 249.193578] ata1.00: error: { UNC } Oct 7 20:02:12 StudioXPS kernel: [ 249.193581] ata1.00: failed command: WRITE FPDMA QUEUED Oct 7 20:02:12 StudioXPS kernel: [ 249.193587] ata1.00: cmd 61/18:08:18:fb:0e/00:00:2b:00:00/40 tag 1 ncq 12288 out Oct 7 20:02:12 StudioXPS kernel: [ 249.193587] res 41/40:08:98:6f:53/00:00:1a:00:00/40 Emask 0x9 (media error) Oct 7 20:02:12 StudioXPS kernel: [ 249.193590] ata1.00: status: { DRDY ERR } Oct 7 20:02:12 StudioXPS kernel: [ 249.193593] ata1.00: error: { UNC } Oct 7 20:02:12 StudioXPS kernel: [ 249.193596] ata1.00: failed command: WRITE FPDMA QUEUED Oct 7 20:02:12 StudioXPS kernel: [ 249.193602] ata1.00: cmd 61/d8:10:a0:bd:8b/00:00:0d:00:00/40 tag 2 ncq 110592 out Oct 7 20:02:12 StudioXPS kernel: [ 249.193602] res 41/40:08:98:6f:53/00:00:1a:00:00/40 Emask 0x9 (media error) Oct 7 20:02:12 StudioXPS kernel: [ 249.193605] ata1.00: status: { DRDY ERR } Oct 7 20:02:12 StudioXPS kernel: [ 249.193607] ata1.00: error: { UNC } Oct 7 20:02:12 StudioXPS kernel: [ 249.196606] ata1.00: configured for UDMA/100 Oct 7 20:02:12 StudioXPS kernel: [ 249.196622] sd 0:0:0:0: >[sda] Unhandled sense code Oct 7 20:02:12 StudioXPS kernel: [ 249.196624] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196626] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Oct 7 20:02:12 StudioXPS kernel: [ 249.196628] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196629] Sense Key : Medium Error [current] [descriptor] Oct 7 20:02:12 StudioXPS kernel: [ 249.196633] Descriptor sense data with sense descriptors (in hex): Oct 7 20:02:12 StudioXPS kernel: [ 249.196634] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196642] 1a 53 6f 98 Oct 7 20:02:12 StudioXPS kernel: [ 249.196645] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196648] Add. Sense: Unrecovered read error - auto reallocate failed Oct 7 20:02:12 StudioXPS kernel: [ 249.196650] sd 0:0:0:0: >[sda] CDB: Oct 7 20:02:12 StudioXPS kernel: [ 249.196651] Read(10): 28 00 1a 53 6f 90 00 00 20 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196658] end_request: I/O error, dev sda, sector 441675672 Oct 7 20:02:12 StudioXPS kernel: [ 249.196674] sd 0:0:0:0: >[sda] Unhandled sense code Oct 7 20:02:12 StudioXPS kernel: [ 249.196676] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196678] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Oct 7 20:02:12 StudioXPS kernel: [ 249.196679] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196681] Sense Key : Medium Error [current] [descriptor] Oct 7 20:02:12 StudioXPS kernel: [ 249.196683] Descriptor sense data with sense descriptors (in hex): Oct 7 20:02:12 StudioXPS kernel: [ 249.196684] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196692] 1a 53 6f 98 Oct 7 20:02:12 StudioXPS kernel: [ 249.196695] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196697] Add. Sense: Unrecovered read error - auto reallocate failed Oct 7 20:02:12 StudioXPS kernel: [ 249.196699] sd 0:0:0:0: >[sda] CDB: Oct 7 20:02:12 StudioXPS kernel: [ 249.196700] Write(10): 2a 00 2b 0e fb 18 00 00 18 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196706] end_request: I/O error, dev sda, sector 722402072 Oct 7 20:02:12 StudioXPS kernel: [ 249.196710] Buffer I/O error on device sda6, logical block 82899555 Oct 7 20:02:12 StudioXPS kernel: [ 249.196718] Buffer I/O error on device sda6, logical block 82899556 Oct 7 20:02:12 StudioXPS kernel: [ 249.196722] Buffer I/O error on device sda6, logical block 82899557 Oct 7 20:02:12 StudioXPS kernel: [ 249.196725] EXT4-fs warning (device sda6): ext4_end_bio:250: I/O error writing to inode 20709582 (offset 0 size 12288 starting block 90300262) Oct 7 20:02:12 StudioXPS kernel: [ 249.196726] JBD2: Detected IO errors while flushing file data on sda6-8 Oct 7 20:02:12 StudioXPS kernel: [ 249.196737] sd 0:0:0:0: >[sda] Unhandled sense code Oct 7 20:02:12 StudioXPS kernel: [ 249.196739] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196740] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Oct 7 20:02:12 StudioXPS kernel: [ 249.196742] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196743] Sense Key : Medium Error [current] [descriptor] Oct 7 20:02:12 StudioXPS kernel: [ 249.196745] Descriptor sense data with sense descriptors (in hex): Oct 7 20:02:12 StudioXPS kernel: [ 249.196746] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196754] 1a 53 6f 98 Oct 7 20:02:12 StudioXPS kernel: [ 249.196758] sd 0:0:0:0: >[sda] Oct 7 20:02:12 StudioXPS kernel: [ 249.196759] Add. Sense: Unrecovered read error - auto reallocate failed Oct 7 20:02:12 StudioXPS kernel: [ 249.196761] sd 0:0:0:0: >[sda] CDB: Oct 7 20:02:12 StudioXPS kernel: [ 249.196762] Write(10): 2a 00 0d 8b bd a0 00 00 d8 00 Oct 7 20:02:12 StudioXPS kernel: [ 249.196768] end_request: I/O error, dev sda, sector 227261856 Oct 7 20:02:12 StudioXPS kernel: [ 249.196781] ata1: EH complete Oct 7 20:02:12 StudioXPS kernel: [ 249.196810] Aborting journal on device sda6-8. Oct 7 20:02:12 StudioXPS kernel: [ 249.197216] EXT4-fs error (device sda6): ext4_journal_start_sb:370: Detected aborted journal Oct 7 20:02:12 StudioXPS kernel: [ 249.197219] EXT4-fs (sda6): Remounting filesystem read-only Oct 7 20:02:13 StudioXPS kernel: [ 250.934678] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:13 StudioXPS kernel: [ 250.934691] ecryptfs_write_end: Error encrypting page (upper index [0x0000000000000078]) Oct 7 20:02:13 StudioXPS kernel: [ 250.938886] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:13 StudioXPS kernel: [ 250.938896] ecryptfs_write_end: Error encrypting page (upper index [0x0000000000000050]) Oct 7 20:02:13 StudioXPS kernel: [ 250.939062] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:13 StudioXPS kernel: [ 250.939068] ecryptfs_writepage: Error encrypting page (upper index [0x0000000000000000]) Oct 7 20:02:21 StudioXPS kernel: [ 259.082126] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:21 StudioXPS kernel: [ 259.082138] ecryptfs_write_end: Error encrypting page (upper index [0x0000000000000005]) Oct 7 20:02:21 StudioXPS kernel: [ 259.082257] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:21 StudioXPS kernel: [ 259.082262] ecryptfs_write_end: Error encrypting page (upper index [0x0000000000000003]) Oct 7 20:02:21 StudioXPS kernel: [ 259.082376] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:02:21 StudioXPS kernel: [ 259.082381] ecryptfs_write_end: Error encrypting page (upper index [0x0000000000000000]) Oct 7 20:05:16 StudioXPS kernel: [ 433.841434] ecryptfs_encrypt_page: Error attempting to write lower page; rc = [-30] Oct 7 20:05:16 StudioXPS kernel: [ 433.841448] ecryptfs_write_end: Error encrypting page (upper index [0x00000000000000c9]) Oct 7 20:07:57 StudioXPS sudo: pam_ecryptfs: pam_sm_authenticate: /home/lars is already mounted The harddrive is one month old and has no defects (AFAIK). The problem arises anywhere between directly after boot and 3h into working. A remount with mount -o remount,rw is not possible and aborted with an error. Since I will most certainly loose data during work, this renders my system unusable for the moment. The problem did not occur when running 12.04. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: linux-image-3.5.0-17-generic 3.5.0-17.27 ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5 Uname: Linux 3.5.0-17-generic x86_64 ApportVersion: 2.6.1-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: lars 2341 F.... pulseaudio /dev/snd/controlC0: lars 2341 F.... pulseaudio Date: Sun Oct 7 20:00:11 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926) MachineType: Dell Inc. Studio XPS 1640 ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic root=UUID=68856248-4726-45a0-84b2-670a468cce31 ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.5.0-17-generic N/A linux-backports-modules-3.5.0-17-generic N/A linux-firmware 1.94 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/19/2009 dmi.bios.vendor: Dell Inc. dmi.bios.version: A12 dmi.board.name: 0W497D dmi.board.vendor: Dell Inc. dmi.board.version: A12 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A12 dmi.modalias: dmi:bvnDellInc.:bvrA12:bd11/19/2009:svnDellInc.:pnStudioXPS1640:pvrA123:rvnDellInc.:rn0W497D:rvrA12:cvnDellInc.:ct8:cvrA12: dmi.product.name: Studio XPS 1640 dmi.product.version: A123 dmi.sys.vendor: Dell Inc. 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