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Re: Can't seem to recover errors



On Monday 24 June 2002 10:26 am, Stephen Tweedie wrote:
> Hi,
>
> On Sat, Jun 22, 2002 at 04:18:39PM -0400, Daniel Andor 
<Daniel Andor physics org> wrote:
> > > When trying to run a particular program, I reproducibly get a few
> > > dozen kernel messages of the form:
> > >
> > > attempt to access beyond end of device
> > > 03:06: rw=0, want=536995844, limit=11680168
> > > attempt to access beyond end of device
> > > 03:06: rw=0, want=1342296068, limit=11680168
> >
> > EXT3-fs error (device ide0(3,6)): ext3_free_blocks: Freeing blocks not in
> > datazone - block = 788558848, count = 1 Kernel panic: EXT3-fs panic
> > (device ide0(3,6)): load_block_bitmap: block_group >= groups_count -
> > block_group = 131071, groups_count = 90
>
> What kernel?  What sort of hardware?  Are there any other log
> messages?  This could easily be a sign of random data corruption
> hitting disk, for example --- it's a vague problem description so far,
> so any extra detail you can provide would help.

Sorry, yes, more info would help:
Linux 2.4.17-pre8, Thinkpad X21 20GB IDE harddisk
No other error messages at all as far as I can see.

> > I've tried fsck when the systemm is ro, but it doesn't make any
> > difference.
>
> Did fsck find any errors?  What do you mean when you say it makes no
> difference --- exactly the same problem occurs again later, or is the
> next problem similar but slightly different in detail?

As far as I can tell, the problem remains the same, with identical error 
messages. I can reproduce the error by running the same program. Fsck 
returns:
fsck 1.25 (20-Sep-2001)
e2fsck 1.25 (20-Sep-2001)
/dev/hda6: recovering journal
Clearing orphaned inode 230513 (uid=0, gid=0, mode=020600, size=0)
Clearing orphaned inode 227179 (uid=0, gid=0, mode=020600, size=0)
/dev/hda6: clean, 275580/1460160 files, 2728422/2920042 blocks

Thanks,
Daniel.





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