Date: Thu, 29 Jun 1995 11:04:06 -0500 (CDT) From: "Karl Denninger, MCSNet" <karl@mcs.com> To: gibbs@freefall.cdrom.com (Justin T. Gibbs) Cc: freebsd-hackers@freebsd.org Subject: Re: SCSI channel hangs? Message-ID: <m0sRM4U-0003kyC@mercury.mcs.com> In-Reply-To: <199506291543.IAA28641@freefall.cdrom.com> from "Justin T. Gibbs" at Jun 29, 95 08:43:09 am
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> > >Has anyone seen these? > > > >I have a 2742 (twinchannel EISA) adapter and also run 1742As. I've seen > >this problem with both, where the system starts printing on the console > >"disk xxx not responding to selection" and then panics after a few minutes > >and restarts (presumably because one or more critical pages is on the swap > >partition and can't be gotten). > > > >The problem does not appear to be load related; I have seen this on an > >*idle* system! The disk subsystem and adapter is known good; I used to run > >BSDI on this same machine without problems. > > > >Ideas? > > > >-- > >-- > >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! > > That error message does not sound like an error message from the aic7xxx > driver (aka 27/28/29/3940 driver). Can you give me some info on the > periferals you are using, the version of FreeBSD, and what kind of > operations you are doing before you hit this condition? > > Thanks Here's the stuff from the messages file: Jun 25 21:32:13 Jupiter /kernel: rget 3, lun 0 (sd3) timed out Jun 25 21:32:12 Jupiter /kernel: Jun 25 21:32:12 Jupiter /kernel: ahc1: target 2, lun 0 (sd2) timed out Jun 25 21:32:12 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 2, lun 0 (sd2) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 3, lun 0 (sd3) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 3, lun 0 (sd3) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 2, lun 0 (sd2) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 2, lun 0 (sd2) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 3, lun 0 (sd3) timed out Jun 25 21:32:13 Jupiter /kernel: Jun 25 21:32:13 Jupiter /kernel: ahc1: target 3, lun 0 (sd3) timed out Note that the disks themselves are NOT hung, nor is the bus. Termination has been checked and is known good, and this same configuration works fine with BSDI. I have this problem with both the 27xx and the 1742A adapters. -- -- 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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