Hi folks,
ok, following situation: One of my PCs suddenly started spewing SCSI
errors, all of the same type:
scsidisk recovered i/o error: dev 08:04, sector NUM1, absolute sector NUM2
NUM1 and NUM2 are longish numbers and differ from error message to error
message.
If I leave the machine running long enough, the SCSI controller/chain
seems to lock up and I get a bunch of SCSI reset messages.
The machine in question:
P133, 96MB, no-name Pentium/PCI motherboard with the usual I/O and EIDE
controller on-board, NE2000-clone NIC(ISA), ATI XPert@Play graphics card
(PCI, 8MB), es1668 (?) sound card, NCR810 SCSI controller, ATAPI CD-ROM
as hdc on EIDE channel 2 (EIDE channel 1 is disabled in BIOS),
external Sun (Seagate) 1GB SCSI drive as sda, internal Quantum 240MB SCSI
drive as sdb. OS: RHL 5.2 w/ updates.
The machine is only running a couple of hours per week, i.e. it's off
most of the time. It has been running reliably in the given
configuration for the last 6 months with no problem whatsoever. Oops -
not quite true: I did swap the NE2000 clone for the 3c503 that was in
there a couple of weeks back, but the machine was used several times
since then with no problems.
So far, I've checked the external cabling and even added a terminator to
the external drive (usually, the Sun drives don't really need one, I've
been told - on another machine a similar drive works fine without and
has done so for ages...) to no avail. I also was able to complete an
fsck on all drives with no error messages (thank be to $DEITY...).
I got a bit suspicious when I saw that the BIOS seems to set both EIDE
channel 2 and the SCSI controller on IRQ 14 (according to the boot
message the BIOS gives - I didn't get round to check /proc yet), so I
disabled the EIDE controller completely with no change.
Hence, if anybody out there knows another few "usual suspects" I could
check in such a case or has any ideas about what might be going on,
I'd really appreciate some help!
Thanks in advance,
Thomas
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"Look, Ma, no obsolete quotes and plain text only!"
Thomas Ribbrock | http://www.bigfoot.com/~kaytan | ICQ#: 15839919
"You have to live on the edge of reality - to make your dreams come true!"
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