Mailinglist Archive: opensuse-bugs (8048 mails)

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[Bug 238572] SCSI Subsystem Locks-up Machine
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 6 Feb 2007 16:06:41 -0700 (MST)
  • Message-id: <20070206230641.3E1C525C887@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=238572





------- Comment #4 from jim@xxxxxxxxxxxxx 2007-02-06 16:06 MST -------
I would love to send you a log file, but once the SCSI system locks-up all
writing to anything stops, so the logs show nothing. The issue is very hard to
understand, it happened twice yesterday almost immediately after booting and
then not for the rest of the evening.

My feeling is that heavy traffic on the SCSI bus is what provokes it, but it is
only a feeling I have no hard evidence to back it up. For example I can almost
guarantee to cause a lock-up by trying to make an "iso" file from my /home/USER
directory (~2.4GB), which takes data from a SCSI drive and then sends the iso
image back to the same drive ... Lots of traffic !

During a re-boot the zen update software runs and it accesses the drives a lot,
maybe if I am adding traffic to that by starting applications (browsers in
yesterday's case) it is overloaded. Maybe the timing in the driver is too
aggressive ?

As I said Suse 9.0 has no such problem with the same hardware, but its AIC79xx
driver is much older. In fact I see that Adaptec has only up to a version 2
driver for 2.6 kernels, while 10.2 loads a version 3 ???

Could I downgrade the driver to the Adaptec one ?

Anyway, if there is nothing that can be done that's it. I will wait in the hope
that there will be an update to the driver that will fix the issue by
coincidence ;-)

Jim


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