Date: Fri, 09 May 2003 12:27:08 -0700 From: Tim Kientzle <kientzle@acm.org> To: me@farid-hajji.de Cc: freebsd-current@freebsd.org Subject: Re: Lockups with dump(8) Message-ID: <3EBC010C.8070409@acm.org> References: <200305092054.32885.me@farid-hajji.de>
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Farid Hajji wrote
> ad0: READ command timeout tag=0 serv=0 - resetting
> ata0: resetting devices ..
I had a similar problem with a -STABLE system
that I tracked down to two problems:
* Long 40-wire disk drive cable.
Shorter or 80-wire cable is more reliable
* Mis-jumpered hard disk. I had the
drive jumpered as "master _with_ slave",
even though there was no slave on that
cable. Different hard disks handle this
in different ways.
Once I fixed the jumpering and swapped in
a better hard disk cable, the problems went
away.
Tim Kientzle
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