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To: zoltan sandor <dr_sandor_zoltan@yahoo.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 28 Apr 2005 08:09:56 -0400
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cc: freebsd-questions@freebsd.org
Subject: Re: harddisk problem in the 5.x series
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zoltan sandor <dr_sandor_zoltan@yahoo.com> writes:

> I have the following problem. I moved my system from
> FreeBSD 4.11 to 5.4-RC3 by reinstalling everything.
> The 4.11 system had no problem finding my MAXTOR hard
> disk as ad3 as slave on the secondary IDE behind the
> CDROM. The new 5.4 system indicates a lot of errors,
> but finally accepts it and everything just works
> fine. If I remove the hard drive the CDROM is
> recognised without problems. My guess is that the
> system tries to use higher PIO mode on the disk than
> it is good for or something like that. Can anybody
> explain how I can tune the kernel to avoid the error
> messages? (BTW I have a GENERIC kernel.) dmesg
> messages from the 4.11 and the 5.4-RC3 versions are
> below.

I'm nothing like an ATA expert, but I wonder whether it might now fail
on 4.11 also...  (bad cabling, etc.)