2003-07-12 18:10:52

by Udo Hoerhold

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Subject: hard lockups with 2.5.75

I switched from 2.5.73 to 2.5.75 yesterday, and I've encountered three hard
lockups in the 24 hours I've been running the new kernel. When I reset the
machine, I don't see anything unusual in the logs.

The machine is a dual PIII with aic7899 SCSI and 3c905c network on the
motherboard. In all three cases where I locked up, there was network and
disk IO going on. I don't really have any more info.

If anyone would like to give me a list of things to try, I'd be happy to do
some testing.

Udo


2003-07-12 18:28:20

by Lou Langholtz

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Subject: Re: hard lockups with 2.5.75

Udo Hoerhold wrote:

>I switched from 2.5.73 to 2.5.75 yesterday, and I've encountered three hard
>lockups in the 24 hours I've been running the new kernel. When I reset the
>machine, I don't see anything unusual in the logs.
>
>The machine is a dual PIII with aic7899 SCSI and 3c905c network on the
>motherboard. In all three cases where I locked up, there was network and
>disk IO going on. I don't really have any more info.
>
>If anyone would like to give me a list of things to try, I'd be happy to do
>some testing.
>
Do you already have all the kernel hacking options turned on?
Particularly the CONFIG_DEBUG_* options? If not, rebuilding and getting
the same lockup may provide some additional info. You may also want to
try with the PREEMPT option turned on (if not aleady).