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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1359706

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1359706

Title:
  EXT4 file system corruption on ubuntu server 14.04 LTS

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  There was extensive file system corruption triggered by a user (non-
  root) program consuming all memory. Dmesg contained following
  messages:

  [2678426.843981] Out of memory: Kill process 31328 (python) score 983 or sacrifice child
  [2678426.844151] Killed process 31328 (python) total-vm:60801412kB, anon-rss:60694516kB, file-rss:0kB
  [2893469.391974] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7865240 (offset 0 size 0 starting block 49231)
  [2893469.391982] Buffer I/O error on device dm-2, logical block 49231
  [2893469.392032] Buffer I/O error on device dm-2, logical block 49232
  [2893469.395494] Buffer I/O error on device dm-2, logical block 49233
  [2893469.569757] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7864978 (offset 0 size 0 starting block 20808467)
  [2893469.569762] Buffer I/O error on device dm-2, logical block 20808467
  [2893469.569896] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7866610 (offset 0 size 0 starting block 79732436)
  [2893469.569899] Buffer I/O error on device dm-2, logical block 79732436
  [2893469.570176] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7866610 (offset 8192 size 4096 starting block 109098591)
  [2893469.570180] Buffer I/O error on device dm-2, logical block 109098591
  [2893469.707534] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7865240 (offset 0 size 0 starting block 49217)
  [2893469.707539] Buffer I/O error on device dm-2, logical block 49217
  [2893469.707578] Buffer I/O error on device dm-2, logical block 49218
  [2893469.707674] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7865240 (offset 0 size 0 starting block 49223)
  [2893469.707679] Buffer I/O error on device dm-2, logical block 49223
  [2893469.707768] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7865240 (offset 0 size 0 starting block 49226)
  [2893469.707773] Buffer I/O error on device dm-2, logical block 49226
  [2893469.707859] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7865240 (offset 0 size 0 starting block 49229)
  [2893469.707870] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7864600 (offset 0 size 0 starting block 44853)
  [2893469.707876] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 7864600 (offset 0 size 0 starting block 44858)
  [2893469.726747] Aborting journal on device dm-2-8.
  [2893469.768725] init: rsyslog main process (919) killed by BUS signal
  [2893469.768766] init: rsyslog main process ended, respawning
  [2893469.867576] Buffer I/O error on device dm-2, logical block 65044480
  [2893469.867617] lost page write due to I/O error on dm-2
  [2893469.867641] JBD2: Error -5 detected when updating journal superblock for dm-2-8.
  [2893470.103486] Buffer I/O error on device dm-2, logical block 0
  [2893470.103524] lost page write due to I/O error on dm-2
  [2893470.103568] EXT4-fs error (device dm-2): ext4_journal_check_start:56: Detected aborted journal
  [2893470.103684] EXT4-fs (dm-2): Remounting filesystem read-only
  [2893470.103770] EXT4-fs (dm-2): previous I/O error to superblock detected
  [2893470.197496] Buffer I/O error on device dm-2, logical block 0
  [2893470.197584] lost page write due to I/O error on dm-2
  [2893470.197720] Core dump to |/usr/share/apport/apport 439 7 0 439 pipe failed
  [2893470.208395] init: rsyslog pre-start process (439) killed by BUS signal
  [2893470.378616] Core dump to |/usr/share/apport/apport 442 7 0 442 pipe failed
  [2893470.380183] init: startpar-bridge (rsyslog--stopped) main process (442) killed by BUS signal
  [2893511.046711] Core dump to |/usr/share/apport/apport 1421 7 18446744073709551615 1421 pipe failed
  [2903746.904285] EXT4-fs warning (device dm-1): __ext4_read_dirblock:681: error reading directory block (ino 174523398, block 0)
  [2903773.782839] Aborting journal on device dm-1-8.
  [2903773.801696] Buffer I/O error on device dm-1, logical block 1048084480
  [2903773.801799] lost page write due to I/O error on dm-1
  [2903773.801817] JBD2: Error -5 detected when updating journal superblock for dm-1-8.
  [2903774.966747] Buffer I/O error on device dm-1, logical block 0
  [2903774.968009] lost page write due to I/O error on dm-1
  [2903774.968186] EXT4-fs error (device dm-1): ext4_journal_check_start:56: Detected aborted journal
  [2903774.969608] EXT4-fs (dm-1): Remounting filesystem read-only
  [2903774.970999] EXT4-fs (dm-1): previous I/O error to superblock detected
  [2903775.026543] Buffer I/O error on device dm-1, logical block 0
  [2903775.027901] lost page write due to I/O error on dm-1
  [2903815.909779] Core dump to |/usr/share/apport/apport 3193 7 0 3193 pipe failed
  [2929832.871589] init: Failed to write to log file /var/log/upstart/systemd-logind.log

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-34-generic 3.13.0-34.60
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 elo   21 13:53 seq
   crw-rw---- 1 root audio 116, 33 elo   21 13:53 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
  Date: Thu Aug 21 14:52:27 2014
  InstallationDate: Installed on 2014-07-07 (45 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  IwConfig:
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: Red Hat Inc. OpenStack Nova
  PciMultimedia:
   
  ProcFB: 0 cirrusdrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=/dev/mapper/vg0-lv0 ro
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:
   
  dmi.bios.date: 01/01/2007
  dmi.bios.vendor: Seabios
  dmi.bios.version: 0.5.1
  dmi.chassis.type: 1
  dmi.chassis.vendor: Red Hat
  dmi.modalias: dmi:bvnSeabios:bvr0.5.1:bd01/01/2007:svnRedHatInc.:pnOpenStackNova:pvr2013.1.3-2.el6:cvnRedHat:ct1:cvr:
  dmi.product.name: OpenStack Nova
  dmi.product.version: 2013.1.3-2.el6
  dmi.sys.vendor: Red Hat Inc.

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