kern/91408 : [irq] ata(4) failure: SETFEATURES SET TRANSFER
MODE semaphore timeout !! DANGER Will Robinson !!
John Baldwin
jhb at freebsd.org
Sun Apr 30 03:00:36 UTC 2006
The following reply was made to PR kern/91408; it has been noted by GNATS.
From: John Baldwin <jhb at freebsd.org>
To: Eugene Grosbein <eugen at grosbein.pp.ru>
Cc: bug-followup at freebsd.org, lightsquid at logvinov.com
Subject: Re: kern/91408 : [irq] ata(4) failure: SETFEATURES SET TRANSFER MODE semaphore timeout !! DANGER Will Robinson !!
Date: Sat, 29 Apr 2006 22:54:09 -0400
On Saturday 29 April 2006 11:41 am, Eugene Grosbein wrote:
> Hi!
>
> With 6.1-RC of today I have the same sympthoms as with 5.4-RELEASE
> (http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/80815):
>
> 1) machine suffers from ATA timeouts if ACPI is fully enabled;
> 2) debug.acpi.disable=3D"pci_link" in /boot/loader.conf eliminates the
> problem.
>
> So, Soren seems to be right: this is interrupt routing problem
> and not ATA problem.
>
> The question is: should I consider the workaround mentioned above as
> solution? What will I miss if I keep debug.acpi.disable=3D"pci_link" fore=
ver?
I think it's dangerous and that you should just disable ACPI altogether
if you wish to do that. Can you provide verbose dmesg's for the
case with pci_link disabled and the case where it is not disabled?
=2D-=20
John Baldwin <jhb at FreeBSD.org> =A0<>< =A0http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" =A0=3D =A0http://www.FreeBSD.org
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