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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.mel.connect.com.au!news.mel.aone.net.au!news.mira.net.au!news.vbc.net!vbcnet-west!news.leonardo.net!uunet!in3.uu.net!128.230.129.106!news.maxwell.syr.edu!cam-news-hub1.bbnplanet.com!su-news-feed4.bbnplanet.com!news.bbnplanet.com!filoli.filoli.com!filoli.com!filoli.com!not-for-mail From: sbjork@filoli.com (Steven Bjork) Newsgroups: comp.os.linux.hardware,comp.unix.bsd.freebsd.misc Subject: adaptec 2940. broken. details inside Date: 28 May 1997 15:48:11 -0700 Organization: Filoli Information Systems Lines: 25 Message-ID: <5micnb$ljl$1@ssw.filoli.com> NNTP-Posting-Host: ssw.filoli.com Xref: euryale.cc.adfa.oz.au comp.os.linux.hardware:75694 comp.unix.bsd.freebsd.misc:41781 Check out solaris 2.5.1 x86 install, May 1996, pg. 74. They say that their testing revealed complete LOCKUP of adaptec 2940 controllers (with multiple drives) under heavy load. I completely verified this with linux. Ran a news server with two 2940's in it, with two news disks on one 2940, and the root on another 2940. The dual drive controller would LOCK UP, and the root disk would work fine. No way out except hard reset (with reset switch) reboot. So it seems the 2940 is dog meat. I've seen a "2940a" but the linux pci driver seems to not recognise it--probably because the pci signature has changed for the "a" card. Don't know if the 2940a still has lockup problems. I now have a buslogic pci/scsi running hunky dory in a similar machine, with no lockups ever observed. Now, I'm curious why many freebsd folks claim to not have seen this 2940 problem, since it seems to be completely hardware related. If freebsd has a workaround in their driver, please share the wealth! ../Steven