Date: Sun, 24 Sep 1995 11:47:10 -0700 (PDT) From: bmk@dtr.com To: julian@ref.tfs.com (Julian Elischer) Cc: bmk@dtr.com, questions@freebsd.org Subject: Re: Odd SCSI errors Message-ID: <199509241847.LAA00435@everest> In-Reply-To: <199509241128.EAA05314@ref.tfs.com> from "Julian Elischer" at Sep 24, 95 04:28:35 am
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Thanks for explaining that. Let me tell you about the circumstances surrounding the error - The error occured while elm was either trying to read the mail spool or write a temporary mailbox in /tmp. At first I thought it might be a bad disk. I fsck'ed the /tmp and /var filesystems from single user and the problem went away. It found a problem with /var/mail/bmk - but I don't recall what it was. The file was unlinked and all seems to be well now. Unfortunately, I lost a couple of messages I was saving. That's my fault for leaving them in my mailbox. :) This is the first time I've lost any data - from a (probable) non-hardware cause at lease. I'd have to say that's a pretty good record since I've been running FreeBSD since 1.1 on several machines. To be fair, it's entirely possible that this is hardware related, since I had a few panics/reboots due to bad L2 cache. ...Just another testimonial as to the reliability of FreeBSD... > > > > Can anyone explain the meaning of the following SCSI errors? > > > > Sep 22 06:47:50 everest /kernel: bt0: bt_scsi_cmd, more than 33 DMA segs > > Sep 22 06:47:50 everest /kernel: sd0: oops not queued > Something has asked for a transfer that is too big.. > I wonder if the clustering code can cluster up a read/write that is too > big for the device? > > Sep 22 06:47:50 everest /kernel: biodone: buffer already done > > Sep 22 06:47:50 everest /kernel: sd0(bt0:0:0): ILLEGAL REQUEST asc:21,0 > > Logical block address out of range field replaceable > > unit: 3 sks:cf,2 > I think this is a bad interpretation of the error above it.. > its a byproduct.. ignore it > >
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