Date: Wed, 12 Jul 1995 14:24:48 -0700 (PDT) From: Tom Samplonius <tom@misery.sdf.com> To: Karl Denninger <karl@Mcs.Net> Cc: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>, karl@mcs.com, freebsd-hackers@FreeBSD.ORG Subject: Re: SCSI disk wedge Message-ID: <Pine.BSF.3.91.950712141910.1573C-100000@misery.sdf.com> In-Reply-To: <199507122010.PAA00810@Jupiter.mcs.net>
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On Wed, 12 Jul 1995, Karl Denninger wrote: > > Can you be more specific about which controller and/or drives you are > > seing this with? Trying to recall the mail for the last month with > > ``disk channel hangs'' as the keyword doesn't work for me, my poor old > > mind is not what it use to be :-) > > Aha1742 and AHA 27xx -- both EISA. > > On the 27xx driver we get an error, on the 1742 the failure is silent. > Other than that, the behavior is identical. You still haven't mentioned what devices you are using. The problem is most certainly related to the type of drives/devices as the 1742 and 2742 code is completely different. I have both of these cards (my 2742 is dual-channel), and have used a 1742 extensively with no problems. Under old snaps, the 2742 used to hang under heavy load, but I found this to be fixed a couple of weeks before 2.0.5R. Under both of these cards I can run multiple parallel "iozone"s to multiple drives without a problem (which is the heaviest disk load that I can simulate). Tom
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