Date: Wed, 15 Jan 1997 09:48:04 -0500 (EST) From: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com> To: ponds!freebsd.org!freebsd-hackers Subject: 2.1.6.1 - SCSI problems (infinite bus reset) w/Aha2940UW. Message-ID: <199701151448.JAA04441@lakes.water.net>
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OK -
I reported this with 2.1.5-STABLE, and after moving things around,
I've (finally) gotten 2.1.6.1 installed on the same machine.
The "moving around" was made quite difficult by the problem I'm
about to describe; as it made writting a QIC-150 tape impossible.
Now - the details:
2.1.6.1 running on a 430VX-based PCI Pentium133 with 32Meg,
and Aha 2940UW controller - and a Wangtek 5150ES QIC-150.
When I write a tape; the writes go fine until the very end,
after the final write. The tape begins it's rewind sequence and
suddenly everything goes haywire.
I get a bunch a SCSI bus reset messages, aborted SCBs, etc...
These, of course, are not logged to /var/log/messages, since
we can no longer write to the disk - as the SCSI bus appears to
be in some sort of "infinite reset" mode. A reset is issued,
all the devices respond, the tape momentarily stops rewinding and
then picks up again...
I reported this initially in 2.1.5-STABLE when some new
SCSI code was committed to that branch. It's still in 2.1.6.1.
[See the mail archives; the last time I reported it, I hastily
scribbled the syslog messages - they're the same in 2.1.6.1.]
I'm happy to try anything out; if someone wants to debug
this.
Let me close with "This worked fine in 2.1.5-RELEASE, and
the hardware hasn't changed" (Where have you heard that before :-) )
I'd like to make sure this isn't a problem in 2.2. So,
I'm willing to mess around with things; etc... to reach that goal.
- Dave Rivers -
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