Date: Thu, 13 Jul 1995 09:40:36 -0500 (CDT) From: Karl Denninger <karl@Mcs.Net> To: mpp@legarto.minn.net (Mike Pritchard) Cc: terry@cs.weber.edu, tom@misery.sdf.com, karl@Mcs.Net, rgrimes@gndrsh.aac.dev.com, freebsd-hackers@FreeBSD.ORG Subject: Re: SCSI disk wedge Message-ID: <199507131440.JAA01619@Jupiter.mcs.net> In-Reply-To: <199507130719.CAA02184@mpp> from "Mike Pritchard" at Jul 13, 95 02:19:02 am
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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" I had it *off* and had the problem, turned it on in an attempt to see if that made it "go away", and discovered that while it make the problem less frequent, it did *NOT* solve it. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - The Finest Internet Connectivity Modem: [+1 312 248-0900] | (shell, PPP, SLIP, leased) in Chicagoland Voice: [+1 312 248-8649] | 7 Chicagoland POPs, ISDN, 28.8, much more Fax: [+1 312 248-9865] | Email to "info@mcs.net" WWW: http://www.mcs.net ISDN - Get it here TODAY! | Home of Chicago's only FULL AP Clarinet feed!
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