[svlug] Adaptec 2940 Problem

[Javilk]

> Here are the symptoms:  occasionally the box just locks up, but
> it does so by the sytem load (as displayed on the fvwm loadmeter)
> ramping waaaaaay up, the system getting sluggish, then finally
> not responding to ANYTHING.  I have to reboot to clear the
> problem.  In fact, a warm boot will get to the Adaptec bios
> portion where it scans the SCSI bus looking for devices... and
> hangs.  It never finds ANY SCSI devices.  A power-cycle reboot is
> required to break it out of that state.

     Probably a cable problem, but it has happened to me that a chip
starts overheating, and eventually blows.  Same symptoms, drive hangs
intermittently, requiring a power cycle on the drive. Check cooling for
the PC board side of the drive, and feel the chips for a really hot one.
(Many are hot, the bad one will be very painfully hot.) The unit that
failed on my system was a Conner 2 gig drive.

     Could be other things, too.


- javilk at mall-net.com -----------------------------
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