File system errors - Ext4 ?
tommy.h at bredband.net
Thu Nov 5 18:17:21 GMT 2009
David Stephens wrote:
> Thankfully I haven't encountered this problem, but I haven't tried
> saving any large files. After following these posts I am planning to
> revert back to ext3.
> On Thu, Nov 5, 2009 at 1:02 PM, Tommy Hjalmarsson
> <tommy.h at bredband.net <mailto:tommy.h at bredband.net>> wrote:
> Robin Darlington wrote:
>> Ok I have had a quick look at that bug and I have a few questions.
>> First of all I am running 2.6.31-rt kernel and the bug is said to
>> affect 2.6.32-rc1 and above is it still possible that it may be
>> the same bug?
>> How can I fix it? Should I reinstall with ext3 filesystem? will
>> ext3 perform as well as ext4 for Audio ?
>> 2009/11/5 Tommy Hjalmarsson <tommy.h at bredband.net
>> <mailto:tommy.h at bredband.net>>
>> Robin Darlington wrote:
>>> Hi everyone,
>>> I am running a fresh install of Ubuntu Studio Karmic and I
>>> have now experienced filesystem errors twice.
>>> The first time I put my computer to sleep and upon waking up
>>> it would not accept my password (not due to keyboard layout
>>> : i checked by typing it in username field) so I restarted
>>> and then I had to run fsck manually to fix the Filesystem
>>> errors. The seccond time I was trying to install some
>>> software in the terminal via sudo apt-get and the sudo was
>>> just getting ignored. So i restarted and once again had to
>>> run fsck in order for my system to boot. I installed with a
>>> ext4 filesystem.
>>> Does anyone have any ideas what is going on here? and how to
>>> fix it?
>>> Has this happened to anybody else? Could it be to do with
>>> the fact that I am using to tweak ubuntu
>>> <http://ubuntu-tweak.com/> to install third party software
>>> (Opera, VirtualBox, Code Blocks etc.) ?
>>> Thank you for your time,
>> Here is a bugg comment:
>> /Comment #6
>> <http://bugzilla.kernel.org/show_bug.cgi?id=14354#c6> From
>> Alexey Fisher <mailto:bug-track at fisher-privat.net> 2009-10-10
>> 16:48:58/ -------
>> Ok, i think i know now how it's happed. I nneded some time to play to reproduce
>> it. There is _no_difference_ if you just boot 2.6.32 kernel run fsck and then
>> boot 2.6.31 kernel and run fsck again - nothing will happen.
>> here is the way i reproduced it:
>> 1. crash (reset or poweroff) 2.6.32-rc3 kernel,
>> 2. start again in 2.6.32-rc3
>> 3. run fsck it well looks clean.. but some progrums will lost it setting.
>> 4. reboot and start with 2.6.31 kernel
>> 5. run fsck and this will find that ext4 is brocken.
>> 6. after fsck fix it.. many fils will be lost.
>> >From the website: http://bugzilla.kernel.org/show_bug.cgi?id=14354
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> I don't think it's a big difference between ext3 and ext4 in audio
> performance, but it's only my guess.
> And more rapport about Ext4 problem in Ubuntu 9.10 are coming in.
> Possible corruption of large files with ext4 filesystem
> There have been some reports of data corruption with fresh (not
> upgraded) ext4 file systems using the Ubuntu 9.10 kernel when
> writing to large files (over 512MB). The issue is under
> investigation, and if confirmed will be resolved in a post-release
> update. Users who routinely manipulate large files may want to
> consider using ext3 file systems until this issue is resolved.
> (453579 <https://bugs.launchpad.net/bugs/453579>)
> >From the website:
> I had this problem my self.
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> step into the darkness of the unknown, faith is knowing that one of
> two things shall happen: either you will be given something solid to
> stand on, or you will be taught how to fly." -- Dr. Edward Teller
Better to be safe than sorry:)
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