Re: ext3 / reiserfs data corruption, 2.5-bk

From: Nathan Conrad (
Date: Tue Jun 10 2003 - 17:18:54 EST

Oh, ok. I am using DMA on my drives. The problem with this bug is that
it is fairly hard to observe, I've only seen it about once every other
day. I should have also pointed out that I am using ext3.

I thought that it might be taskfile stuff because that was the major
change in the kernel the time right before I started to notice these
problems. There likely is some other source of problems because you
say that there should be no change in behaviour.


On Tue, Jun 10, 2003 at 08:11:22PM +0200, Bartlomiej Zolnierkiewicz wrote:
> On Tue, 10 Jun 2003, Nathan Conrad wrote:
> > I've been noticing a similar problem on my laptop. This may, or may
> > not be related, but it did start somewhere within the past week (maybe
> > the IDE taskfile conversion???, to throw out a guess). I wonder if
> wrt taskfile conversion, if you are using DMA on your IDE disks,
> there shouldn't be any change in behaviour.
> I will prepare a patch adding old crap and making it selectable
> (default will be taskfile, if you go into problems you can check
> with old code) to easy spotting possible taskfile problems
> and allowing quick judging - taskfile guilty/not guilty.
> --
> Bartlomiej
> > Dave Jones is using IDE or SCSI. CONFIG_SMP and CONFIG_PREEMPT are
> > disabled on my machine (Sony Vaio PCG-FXA49 laptop, Athlon4). I'm
> > compiling the kernel with gcc 3.3 (Debian version).
> >
> > Anyway, certain directories get locked up on occasion and when I try
> > to execute 'ls' or read from the directory, the process gets into a
> > locked up state; ^C does not work to kill the process. The only way to
> > make a directory "readable" is to restart the machine. I have not
> > noticed any FS corruption, just the lack of being able to enter the
> > directory.
> >
> > At the same time, a kernel bug will be displayed:
> <...>

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