Date: Mon, 24 Mar 1997 06:40:35 -0500 (EST) From: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com> To: ponds!ccd.tas.gov.au!cpn, ponds!resnet.uoregon.edu!dwhite Cc: ponds!freebsd.org!questions Subject: Re: adding SCSI disks to 2.1.6 Message-ID: <199703241140.GAA14664@lakes.water.net>
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> > Could the problem be related to the problems with the ahc driver that were > recently fixed in the 2.1.7.1 point release? If so, is there any way I > could migrate those changes into my 2.1.6 system in the interim until I > have an opportunity to upgarde the machine. I need to get these disks > working on the machine so I can update my ftp site (including the FreeBSD > mirrors). These time outs are very similar (in appearance at least) to the same type of problems I reported in 2.1.6 with my SCSI tape and SCSI CD-ROM on an aha2940 - except they would lock up the entire SCSI bus in my case... However, in 2.1.7 my problem was improved somewhat; in that only the one process would lock up. In 2.1.7.1 my problem was worsened in that the entire machine locks up. In a GAMMA version of 2.2 the problem was slightly improved, in that I would see the messages; (and, presumably my tape was not correctly written), but the machine wouldn't lock up; nor would the process.. but, I was running that in single user mode without the need for a swap, so no other SCSI activity was occuring. Anyway, it's my experience that things are improving in this area, but not quite there yet... As a counter point; at work a friend has several SCSI devices on two aha2940s; using a 2.2-GAMMA release; not a single problem... - Dave Rivers - > > Any other suggestions ?? If you have an old aha1542 lying around - it's slow but reliable... > > Thanks, > Carey Nairn > > On Fri, 14 Mar 1997, Doug White wrote: > > > > I have tried the methods given in Doug's makedisk.txt to add 2 new 4GB SCSI > > > disks to my system to no avail. The error I get at the > > > > > > dd if=/dev/zero of=/dev/rsd6 count=2 > > > > > > stage is > > > > > > dd: /dev/rsd6: Device not configured > > > > > > I have also tried using sysinstall to add the disks, but they don't get > > > listed as available disks to partition. > > > > > > The disks are detected at bootup as shown here: > > > > I'll prune this down to the disks in question. > > > > > Mar 14 12:23:05 anfi /kernel: (ahc0:4:0): "IBM DCAS-34330 S61A" type 0 > > > fixed SCS > > > I 2 > > > Mar 14 12:23:05 anfi /kernel: sd6(ahc0:4:0): Direct-Access 4134MB (8467200 > > > 512 b > > > yte sectors) > > > Mar 14 12:23:05 anfi /kernel: (ahc0:5:0): "IBM DCAS-34330 S61A" type 0 > > > fixed SCS > > > I 2 > > > Mar 14 12:23:05 anfi /kernel: sd7(ahc0:5:0): Direct-Access 4134MB (8467200 > > > 512 b > > > yte sectors) > > > > Now note which disk is spitting out errors here, it's sd7, not the disk > > you're trying to modify. > > > > > Mar 14 14:26:04 anfi /kernel: sd7(ahc0:5:0): timed out in datain phase, > > > SCSISIGI == 0x44 > > > Mar 14 14:26:04 anfi /kernel: sd7(ahc0:5:0): asserted ATN - device reset in > > > message buffer > > > Mar 14 14:26:06 anfi /kernel: sd7(ahc0:5:0): timed out in datain phase, > > > SCSISIGI == 0x54 > > > Mar 14 14:26:07 anfi /kernel: ahc0: Issued Channel A Bus Reset #1. 3 SCBs > > > aborted > > > Mar 14 14:26:07 anfi /kernel: sd7: error reading primary partition table > > > > To me, this points to two possibilities: > > > > 1. Your device files are wrong for some reason. You could try rebuilding > > them with '/dev/MAKEDEV sd6'. > > > > 2. You have a termination problem. Make sure your SCSI chains follow the > > rules for termination laid out in the manual for your 2940. > > > > Doug White | University of Oregon
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