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Message #00315
[Bug 453579] Re: in-place corruption of large files *without fsck or reboot* reported with linux 2.6.31-14.46 on ext4
Ryan,
I believe the large file aspect of the bug is an incorrect
characterization. If you take a look at comment #184, you will see that
I have reproduced the bug on much smaller files.
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in-place corruption of large files *without fsck or reboot* reported with linux 2.6.31-14.46 on ext4
https://bugs.launchpad.net/bugs/453579
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Status in The Linux Kernel: New
Status in Ubuntu Release Notes: Fix Released
Status in “linux” package in Ubuntu: Triaged
Status in “linux” source package in Karmic: Triaged
Bug description:
There are worrying reports of filesystem corruption on ext4 in karmic. Scott says:
12:36 < Keybuk> this whole ext4 thing is worrying me
12:36 < Keybuk> I just downloaded an iso image, md5sum didn't match
12:36 < Keybuk> downloaded it into an ext3 partition, matched just fine
12:59 < Keybuk> and I know mvo has seen bugs with corrupted .debs in /var/cache/apt/archives
12:59 < Keybuk> which seems to imply its any file large enough to use lots of extents
I'm opening this bug report so that this bug gets tracked & triaged for karmic. If we're unable to isolate the issue, we should consider rolling back to ext3 as the default filesystem in the installer.
ProblemType: Bug
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: vorlon 3350 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 17'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,17aa2025,00100200'
Controls : 20
Simple ctrls : 11
Date: Fri Oct 16 16:01:26 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=f108133c-6b9d-4d28-9058-0b3a0c5549b4
MachineType: LENOVO 6371CTO
Package: linux-image-2.6.31-14-generic 2.6.31-14.46
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: root=/dev/mapper/hostname-root ro
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
RelatedPackageVersions: linux-firmware 1.22
SourcePackage: linux
Uname: Linux 2.6.31-13-generic x86_64
WpaSupplicantLog:
dmi.bios.date: 12/27/2006
dmi.bios.vendor: LENOVO
dmi.bios.version: 7IET23WW (1.04 )
dmi.board.name: 6371CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7IET23WW(1.04):bd12/27/2006:svnLENOVO:pn6371CTO:pvrThinkPadT60:rvnLENOVO:rn6371CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6371CTO
dmi.product.version: ThinkPad T60
dmi.sys.vendor: LENOVO
ls
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