Date: Wed, 9 Jun 1999 13:48:57 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: The Hermit Hacker <scrappy@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: System hangs...SCSI/CAM related? Message-ID: <19990609134857.A29535@walton.maths.tcd.ie> In-Reply-To: <Pine.BSF.4.05.9906090913280.49155-300000@thelab.hub.org>; from The Hermit Hacker on Wed, Jun 09, 1999 at 09:32:52AM -0300 References: <Pine.BSF.4.05.9906090913280.49155-300000@thelab.hub.org>
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On Wed, Jun 09, 1999 at 09:32:52AM -0300, The Hermit Hacker wrote:
>
> Now I'm getting these hangs almost like clockwork...every 24hrs or
> so. My impression has always been that a hang where you can still ping
> the machine is a SCSI problem, so that is why I'm CC'ng the SCSI mailing
> list...
Hangs where you can still ping are more likely just to be some
sort of kernel loop where network interupts are still enabeled.
Try compiling the debugger into the kernel and when it hangs break
to the debugger (ctl-printscrn) and get a trace ("trace"). You could
then try continuing from the debugger ("continue") and breaking again
a few moments later, to see how much the trace has changed. Repeat
this a few times and see if you can figure out where it is stuck.
I had a few lockups after upgrading INN a few times. It seemed to go
away if I rebuild my history database (which I'd forgotten to do).
David.
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