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SubjectRe: filesystem corruption (ReiserFS, 2.6.6): regions replaced by \000 bytes
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On Fri, 2004-05-28 at 12:42, Pat wrote:
> On Friday 28 May 2004 11:29, Chris Mason wrote:
> > On Fri, 2004-05-28 at 12:24, Tomas Szepe wrote:
> > > On May-28 2004, Fri, 08:46 -0400
> > >
> > > Chris Mason <mason@suse.com> wrote:
> > > > > The bottom line: I've experienced file corruption, of the
> > > > > following nature: consecutive regions (all, it seems, aligned
> > > > > on 256-byte boundaries, and typically around 1kb or 2kb in
> > > > > length) of seemingly random files are replaced by null bytes.
> > > >
> > > > The good news is that we tracked this one down recently.
> > > > 2.6.7-rc1 shouldn't do this anymore.
> > >
> > > So did this only affect SMP machines?
> >
> > No, if you slept in the right spot you could hit it on UP.
>
> I saw this once when using 2.6.6, it was messing up the filesystem
> structures as well (ext2 & ext3), replacing mostly with nulls, some
> with random letters and numbers, for 4-6 character lengths, and not on
> any nice boundaries. Since I stopped trying to use the ATI framebuffer
> driver (this is on a 21164A alpha, 164LX motherboard, ATI Mach64 CT
> video), it seems to have stopped. Also, I noticed that the framebuffer
> driver didn't work so well.
>
This is different. The reiserfs bug can only trigger data corruptions
in reiserfs, and won't trigger metadata problems.

-chris


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