On Wed 03 Dec 1997, maximum entropy wrote:
> >From: Leo Weppelman <leo@wau.mis.ah.nl>
> >
> >On Tue 02 Dec 1997, maximum entropy wrote:
> >> 
> >> I had just started a ppp connection (to a NetBSD/i386 system, over
> >> ser02 at 57600), and began ftp'ing a file to my TT.  About 5 seconds
> >> into the transfer, I got some strange syslog messages.  The system
> >> continued running (no crash or panic).  The transfer running at the
> >> time the messages were generated completed OK.  I did some more
> >> transfers, and the messages were not repeated.
> >
> >These are glitches in the SCSI-driver. Somehow the interrupt bit it set
> >while the bus is clear. The messages are almost certainly caused by a
> >bug (unsafe window?) in the driver. I never got them myself however. This
> >makes them hard to find/fix.
> 
> I think that running the serial2 port at 57600 is related.  I had this
> same problem twice again after posting the original message, and both
> times the ppp link on serial2 was active (ftp'ing a lage file from a
> remote system to the local disk on the atari).  The final time I got
> the error, the machine wedged completely.
> 
> I lowered the speed to 38400 and the problem hasn't manifested again,
> even with heavy ppp traffic.
> 
> Wild guess:  something in the SCSI driver is running at too low of an
> ipl.

Might. It can also be that a drive that wanted to reconnect ran into a
timeout because it's request wasn't being serviced on time.

Leo.