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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mira.net.au!vic.news.telstra.net!act.news.telstra.net!psgrain!iafrica.com!uct.ac.za!quagga.ru.ac.za!howland.erols.net!news.sprintlink.net!news-peer.sprintlink.net!newsfeed.internetmci.com!netnews.nwnet.net!news-hub.interserv.net!news.sprynet.com!news From: Dave Blizzard <dblizzar@sprynet.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Panic: etc The Plot Thickens Date: Wed, 18 Sep 1996 22:58:36 -0500 Organization: Sprynet News Service Lines: 32 Message-ID: <3240C4D5.36F1@sprynet.com> Reply-To: dblizzar@sprynet.com NNTP-Posting-Host: ad54-117.compuserve.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0b7 (Macintosh; I; PPC) In attempting to track down my repeating Panic: Can't Mount Root problem on my 486 pc, I think I have found a hardware flaw that causes the root to cease to be mountable. It just happened right in front of my eyes! Question: what scsi kernel driver should I use for an Adaptec 1505/1515 host Adapter? IRQ 11 The diags I have for it say that it is not a bus master host adapter and that it requires the system CPU to accomplish data transfers and calls it an AIC 6260/6360 I had the system installed and working fine on my SCSI drive when I noticed that the com3 modem wasn't being probed. I booted to kernel config and noticed several conflicts with IRQ5, my modem. No other hardware is using IRQ5 but several kernel devices were looking for IRQ5 devices so I removed them (none of my hardware) or so I thought. The next boot found com3 (sio2) at IRQ5 but root could not be mounted. Fixit was run and FSCK found no problems. Root looks perfectly normal to me. ergo one of the device drivers I removed in config blew away my ability to mount root. Any ideas would be appreciated. Should I run out and buy a new SCSI adapter? Which one is best? -- from Dave Blizzard VE3SVL ----------------