Comment 155 for bug 453579

and yes i am doing large transfers of files over 16GB....how do you check
the checksums?

On Wed, Nov 18, 2009 at 2:50 AM, Ram'on McNally <email address hidden> wrote:

> i just installed karmic on a 1TB sata....and my flash drive 16GB...lets
> see how it goes! both EXT4..if it lets me down, then yall got sum serious
> problems..
>
>
> On Wed, Nov 18, 2009 at 1:13 AM, Nicky Gillette <email address hidden>wrote:
>
>> I meant that it happens with or without encryption on 9.10 in the
>> comment above, if it was unclear.
>>
>> --
>> 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
>> You received this bug notification because you are a direct subscriber
>> of the bug.
>>
>> 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
>>
>
>
>
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