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Date:      Tue, 23 Mar 2004 03:38:46 -0500
From:      "Ketrien I. Saihr-Kesenchedra" <ketrien@error404.nls.net>
To:        =?iso-8859-1?Q?S=F8ren?= Schmidt <sos@DeepCore.dk>
Cc:        current@freebsd.org
Subject:   Re: ata - interrupt seen but task queue stalled
Message-ID:  <6.0.3.0.2.20040323033603.0383c040@error404.nls.net>
In-Reply-To: <405FEC11.7050001@DeepCore.dk>
References:  <6.0.3.0.2.20040323011610.03842e70@mail.nls.net> <20040323062914.GL4875@camelot.theinternet.com.au> <6.0.3.0.2.20040323023317.03842be0@error404.nls.net> <405FEC11.7050001@DeepCore.dk>

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At 02:49 AM 3/23/2004, S=F8ren Schmidt wrote:

>Didn't you say it was on a ROSB4 chipset ? The ROSB4 doesn't really=20
>support DMA on ATAPI devices, and has severe HW bugs that can cause=20
>problems with UDMA on disks as well..

Yes, but this and sysctl's are a non-issue. The controller is set to PIO4=20
and actually locked there. The drive itself doesn't do anything but PIO4,=20
being a slim CD-ROM. The OS resides on an ips. ie; This is a genuinely new=
=20
issue, and I can say with a fair degree of certainty that it's something=20
that's been changed. I can't break to debug either, but the kernel=20
configuration didn't change between working and non-working.

-Ketrien I. Saihr-Kesenchedra <ketrien AT error404 DOT nls DOT net>
# Maybe this world is another planet's hell. --Aldous Huxley
Feanor smiles, "We, of course, are enlightened and s/Maybe t/T"=20



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