help deciphering kernel message 2006-01-03 - By Marc Wiatrowski
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> -- --Original Message-- --
> From: taroon-list-bounces@(protected) On Behalf Of David L. Parsley
> Subject: Re: help deciphering kernel message
>
> On Tue, 2006-01-03 at 08:45 -0500, Marc Wiatrowski wrote:
> > We have a box that has been running for over a year now
> with out problems but as
> > of the past week or so has been getting syslog messages
> like the following.
> >
> > Jan 3 01:50:01 serverx kernel: attempt to access beyond
> end of device
> > Jan 3 01:50:01 serverx kernel: 08:13: rw=1,
> want=1038022788, limit=34869082
> >
> > They occur at seem to be random times, sometimes hours
> apart, sometimes days.
> >
> > I am assuming its disk related and is the following device?
> >
> > $ ls -al /dev/sda13
> > brw-rw---- 1 root disk 8, 13 Jun 24 2004 /dev/sda13
> >
> > But my partitions are:
> >
> > $ cat /proc/partitions
> > major minor #blocks name rio rmerge rsect ruse wio
> wmerge wsect wuse running use aveq
> [snip]
> > 8 19 34869082 sdb3 5100492 44303847 391471498
> 4728847 124716687 159852667 2302155210
> > 18012729 0 911964 13787807
>
> > So I guess my question is, how would I find out what 8:13 is?
>
> 8:13 is hexadecimal - that would be the 8, 19 decimal device, sdb3.
> Another clue is going beyond the limit of 34869082, shown above for
> sdb3.
>
> A quick google found two possible causes: filesystem corruption -
> metadata referencing beyond the end of the disk; or bad RAM, causing
> problems accessing swap.
>
Thanks David. I also had googled and found those causes. It was the
hexadecimal part that stuck me.
thanks again,
marc
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