On Wed, 15 Nov 2000, Michael Jinks wrote:
> Greetings. This is going to be a bit vague, I'm mostly looking for
> troubleshooting tips.
>
> I recently added an Adaptec 19160 Ultra-160 SCSI controller, a Quantum
> Atlas hard drive, and a Matshita CW-7503 burner to my previously all-IDE
> system. The setup works fine, but every now and then my system will
> lock up completely; whenever it happens, lines like this are near the
> end of /var/log/messages:
>
[SNIP]
>
> ...and so forth. Within a few seconds, the system just stops
> completely; when I got home today, my screensaver was stuck and the
> system would only respond to a cold reboot.
>
> The hard drive is the 0:5:0 device, but I've also had this happen when
> 0:6:0 (the CD burner) was being indicated. The Adaptec 19160 is a
> single-bus controller, but the two devices are on different physical
> cables (the CD-R takes a "normal" SCSI ribbon cable, while the hard
> drive takes an Ultra 160-style cable), and both are terminated.
>
> The host system is a dual P-III/500 with a SuperMicro Super P6DGE
> motherboard (intel 440GX chipset).
>
> So far, this has never happened when the system was in active use; only
> when I was away from it for several hours. Don't know if that's
> relevant or not.
>
> Any ideas what I may have done wrong, or more information that would
> further the troubleshooting process?
>
> Some general information about my setup follows. Thanks for any ideas.
>
> -m
>
Just a thought - is the drive spinning down when idle? If so, the system
will hang for at least 30 seconds, and maybe as long as 2 minutes while
the drive spins up again. Depending on the noise level, you may be able
to hear the drive spin up. This would explain why it only happens when
the system is idle. You may want to get scsiinfo and scsi-config, and
check the setting on your drive.
Mikkel
--
Do not meddle in the affairs of dragons,
for you are crunchy and taste good with ketchup.
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