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[Rolf Leggewie <528981@xxxxxxxxxxxxxxxxxx>]

lucid has seen the end of its life and is no longer receiving any
updates. Marking the lucid task for this ticket as "Won't Fix".

** Changed in: linux (Ubuntu Lucid)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/528981

Title:
  Repetitive massive filesystem corruption

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Lucid:
  Won't Fix

Bug description:
  This problem has been ongoing since Kubuntu 9.10 but I was unable to
  take the time to properly diagnose the error during that product cycle
  (and I hoped a newer kernel would solve the problem).  I can also
  report that the problem is reproducible in openSUSE 11.2, so this is
  possibly even a mainline kernel problem.

  In short, I experience massive filesystem corruption on ext4.  In 9.10
  I could also reproduce the corruption using ext3, but I have not yet
  had a chance to test ext3 under 10.04.  I was also able to reproduce
  the problem on 9.10 by mounting from Live CD and creating a filesystem
  on an internal hard drive.  The symptions on 10.04 are so far
  identical, but I haven't yet been able to perform all the testing I
  did under 9.10.  I have attached an example fsck log from current
  10.04.

  Corruption is sometimes detected when booting; other times the
  filesystem switches to read-only while the system is running.  The
  latter is what happened on the first boot of my current installation
  of 10.04.  A subsequent boot left me able to perform all system
  updates.  Then after rebooting the system the filesystem switched to
  read-only within a few minutes of logging in.  The only cure for the
  read-only filesystem is to boot from CD and run e2fsck manually.

  Since October, I have performed some hardware troubleshooting (many, many times):
  1) Hitachi Drive Fitness Test, which always reports Disposition Code 00: no errors;
  2) badblocks: always reports no bad blocks found, regardless of the blocksize, etc.

  SMART reports the drive status as good, with no serious errors
  reported.  Memtest 86+ says the RAM is good.  The machine runs
  flawlessly under 9.04 or earlier using ext3, and NTFS produces no
  similar corruption under either Windows XP or Windows 7.

  As I enter this bug report, I've been running with no errors for the
  last 30 minutes, and there's no way to predict if/when corruption will
  reappear.  As a further troubleshooting step I have turned write
  caching off using the Hitachi Feature Tool; I previously did this
  using hdparm.conf, but IMHO write caching shouldn't be blamed for any
  corruption during normal system operation, but only after an unclean
  shutdown.

  I should add that I've seen bug reports with quite similar symptoms on
  64-bit systems, but I should emphasize that I'm running 32-bit on this
  system, with an ICH4-M controller.  The corruption problem hasn't
  surfaced on any of my either systems, which include both Intel and VIA
  controllers.

  ProblemType: Bug
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  scott      1372 F.... knotify4
                        scott      1401 F.... kmix
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with STAC9752,53 at irq 17'
     Mixer name	: 'SigmaTel STAC9752,53'
     Components	: 'AC97a:83847652'
     Controls      : 38
     Simple ctrls  : 24
  Date: Sat Feb 27 07:45:15 2010
  DistroRelease: Ubuntu 10.04
  Frequency: This has only happened once.
  HibernationDevice: RESUME=UUID=37bfb722-ecb9-4971-8ba0-59a0ee38cadf
  InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100225)
  Lsusb:
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 002: ID 07cc:0301 Carry Computer Eng., Co., Ltd 6-in-1 Card Reader
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Gateway Gateway M350WVN
  Package: linux-image-2.6.32-14-generic (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-14-generic root=UUID=85bd25c3-6f72-4760-b47e-23436238910e ro quiet splash
  ProcEnviron:
   LANGUAGE=
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-14.20-generic
  Regression: No
  RelatedPackageVersions: linux-firmware N/A
  Reproducible: No
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  TestedUpstream: No
  Uname: Linux 2.6.32-14-generic i686
  dmi.bios.date: 04/23/2004
  dmi.bios.vendor: Gateway
  dmi.bios.version: 34.01.00
  dmi.board.name: Gateway M350WVN
  dmi.board.vendor: Gateway
  dmi.board.version: Rev 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Gateway
  dmi.chassis.version: QCIPRC
  dmi.modalias: dmi:bvnGateway:bvr34.01.00:bd04/23/2004:svnGateway:pnGatewayM350WVN:pvrRev1:rvnGateway:rnGatewayM350WVN:rvrRev1.0:cvnGateway:ct10:cvrQCIPRC:
  dmi.product.name: Gateway M350WVN
  dmi.product.version: Rev 1
  dmi.sys.vendor: Gateway

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