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Date:      Mon, 30 Jul 2001 09:18:51 +0200 (SAT)
From:      John Hay <jhay@icomtek.csir.co.za>
To:        freebsd-stable@freebsd.org, bsd@freebsd.org
Subject:   ata timeouts after debug commits
Message-ID:  <200107300718.f6U7Ipq34846@zibbi.icomtek.csir.co.za>

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Hi,

I have been struggling with a Dell Latitude C800 here. FreeBSD 4.1 and 4.3
was working with no problems, but when I tried to upgrade it to 4-stable,
it did not see the disk anymore. It just gave this message:

#########
atapci0: <Intel ICH2 ATA100 controller> port 0xbfa0-0xbfaf at device 31.1 on pci
0
ata0: at 0x1f0 irq 14 on atapci0
...
ata0-master: ata_command: timeout waiting for intr
ata0-master: identify failed
#########

At the end I tracked it down to these commits:

src/sys/i386/i386/db_trace.c,v 1.35.2.1 2001/07/12 02:57:11 bsd
src/sys/i386/i386/support.s,v 1.67.2.4 2001/07/12 02:57:11 bsd
src/sys/i386/include/cpufunc.h,v 1.96.2.2 2001/07/12 02:57:11 bsd

If I back those commits out, the machine boots and see the disk with no
problems.

Anybody have any ideas about it?

John
-- 
John Hay -- John.Hay@icomtek.csir.co.za

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