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Date:      Tue, 13 Oct 1998 21:51:54 +0200
From:      Mark Murray <mark@grondar.za>
To:        "Justin T. Gibbs" <gibbs@narnia.plutotech.com>
Cc:        Neil Blakey-Milner <nbm@rucus.ru.ac.za>, current@FreeBSD.ORG
Subject:   Re: Some SCSI(?) problems whilst running SMP 
Message-ID:  <199810131951.VAA09544@gratis.grondar.za>
In-Reply-To: Your message of " Tue, 13 Oct 1998 12:49:35 CST." <199810131849.MAA10377@narnia.plutotech.com> 
References:  <199810131849.MAA10377@narnia.plutotech.com> 

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"Justin T. Gibbs" wrote:
> Crap.  I was hoping this problem had been resolved since the people who
> usually complain about it (Hi Mark M.!) have been silent in recent months.

I have been running in single-cpu mode to get Perl5 out. :-) (Hi!)

> My guess is that the callout free list has become corrupted somehow, but
> I don't know enough about our SMP implementation to know where to start
> looking for re-entrancy problems.  All reports I've seen of this problem
> have been only under SMP and I don't have any SMP equipment here in order
> to try and reproduce the problem with.  Can you turn the printf in
> sys/dev/aic7xxx/aic7xxx.c:ahc_timeout() into a panic, drop into GDB, and
> examine the data structures in kern_timeout.c?

I can still offer you a login on a box to do this if you like? I have
the serial cable set up, and I've been practising doing this...

M
--
Mark Murray
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