Date: Thu, 5 Nov 1998 08:11:22 +0200 (SAT) From: John Hay <jhay@mikom.csir.co.za> To: jfieber@indiana.edu (John Fieber) Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: cam panic... probably tag related Message-ID: <199811050611.IAA00245@zibbi.mikom.csir.co.za> In-Reply-To: <Pine.BSF.4.05.9811040853540.523-100000@fallout.campusview.indiana.edu> from John Fieber at "Nov 4, 98 09:03:00 am"
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> On Sun, 4 Oct 1998, John Hay wrote: > > > System is a dual 266MHz PII with Asus motherboard with Adaptec 7880 on > > board and a Seagate ST34572N as drive 0 and a Conner CFP4207S as drive 2. > > Everything is on the Seagate except /usr/obj which is symlinked to the > > Conner. It is running a very up to date -current and using softupdates > > on all partitions. > > > > The machine will panic sometimes during a "make world" especially with a > > high -j value, but it panics in such a way that it does not leave a dump. > > I encounter similar problems, though not specifically through > "make world" disk activity. > > > da1: <CONNER CFP4207S 4.28GB 1420> Fixed Direct Access SCSI2 device > > Mine is <CONNER CFP4207S 4.28GB 1524>, on an ASUS SC200 (ncr) > controller. System is 3.0-RELEASE plus a kernel from around > Nov1. Your patch seems to do the trick for my system well and > should probably be committed. I'm just curious how you arrived > at 8 and 24 for the tags? > Well I just chose them after seeing that cam would report the "tagged openings" for that drive down to 31, so I just chose it a little smaller. I did get the problem again once and now I'm using 16 instead of 24 and haven't had a problem again. I did 36 "make -j26 world"s in a loop with max tags set to 16 and it seems to be ok. I have also done my usual stuff and haven't had a problem after taking it down to 16. John -- John Hay -- John.Hay@mikom.csir.co.za To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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