Re: 2.2.10/12 kernel crashes

Stephen D. WIlliams (sdw@lig.net)
Fri, 24 Sep 1999 16:03:43 +0000


Alan Cox wrote:

> > The real problem (at least in my case, since it's not in a commercial
> > production environment) is the inability to debug the crashes. I don't
> > have a serial console, so I can't see if anything is happening that
> > way. The machine is completely inaccessible from the network, and the
> > magic keys don't work. And there aren't any error messages in the logs.
> > 'Tis a frustration, indeed! Plus, it doesn't happen real often (once or
> > twice a month, maybe, and this was the first with 2.2.12).
>
> Are the people seeing X crashes using NFS. I've now got a reproducable case
> for an NFS hang of the box caused by a very convoluted set of NFS ops -
> a set X may sometimes do.
>
> Alan

My lockups/crashes do not involve NFS or X (neither is used on servers), but
seem to involve disk i/o, Adaptec 7990 SCSI Ultra2 LVD wide, WD 18300.

I would suggest it might be the disk IO involved in the large NFS transfer,
not NFS itself that tickles the problem.

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sdw

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