Date: Thu, 13 Jul 1995 02:19:02 -0500 (CDT) From: Mike Pritchard <mpp@legarto.minn.net> To: terry@cs.weber.edu (Terry Lambert) Cc: tom@misery.sdf.com, karl@Mcs.Net, rgrimes@gndrsh.aac.dev.com, freebsd-hackers@FreeBSD.ORG Subject: Re: SCSI disk wedge Message-ID: <199507130719.CAA02184@mpp> In-Reply-To: <9507130522.AA22828@cs.weber.edu> from "Terry Lambert" at Jul 12, 95 11:22:01 pm
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> > The 1742 driver has been around for a long time and is very similar to > > the driver in NetBSD. However, the 2742/2842/2942 driver is quite > > recent. It is _very_ odd that you have problems with both adapters. > > Clearly, it is an issue of tagged command queuing, very large transfers, > bus on time, or one of the many issues in the shared SCSI, VM, block I/O, > and/or user space code above them all, only the last of which is shared > with BSDI (and therefore possible to rule out). > Terry Lambert > terry@cs.weber.edu Just to toss my $0.02 in, I don't think I would blame any tagged queuing problems on the 27/28/2942 driver anymore. You have to explicitly enable that via a #define right now. I've also been running for around 4 - 6 weeks with tagged queuing enabled using one of the "problem" drives with absolutely no problems. Now if the guy enabled it and was having problems....... -- Mike Pritchard mpp@legarto.minn.net "Go that way. Really fast. If something gets in your way, turn"
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