*BSD News Article 58631


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From: "Jean M. Vandette" <jmvandette@securenet.net>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: panic ?
Date: 30 Dec 1995 11:30:38 GMT
Organization: SecureNet Information Services Inc.
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To: scottt@nacm.com

Hi,

I just read your postings about the "Panic" rebooting syndrome which is 
effecting the 2.1-RELEASE of FreeBSD.  Your suspecting the 2940 Adaptec 
is on the right track, I've been haveing the same problem rebooting some 
times as much as every half hour.  Yet other times the system can be 
under full load and nothing, it will run for hours... been a long time 
since uptime was in days.

There is I'm told a bug in the 2940 driver which the author of the driver 
is in the process of correcting.  The first beta tests of the new fixed 
2940 driver were to get sent out Dec 29/95 and he hoped that a fix could 
be released in the near furture.  The bug effects 2940 SCSI-2 and certain 
drives worse than others Seagate drives are more effected than say a 
Micropolis.  I myself had a series of events that all happened about at 
the same time which is where I became aware that there was a bug with the 
2940 driver and SCSI-2 drives.  Things that will help, if you have speed 
accelerators like "pipeline burst" and "PCI burst" in your BIOS setup 
disable them for now this will help, disable any routines that use heavy 
disk I/O.

Good luck

Jean M. Vandette