linux-kernel - Re: Possible hang inside interrupt handler on sata

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Date:	Thu, 13 Sep 2007 11:59:25 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Robin Holt <holt@....com>
CC:	Mikael Pettersson <mikpe@...uu.se>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Possible hang inside interrupt handler on sata_promise.

On 09/12/2007 09:19 AM, Robin Holt wrote:
> I have been experiencing hangs on a newly setup machine.  Unfortunately,
> it appears to be hanging inside the interrupt handler as sysrq and
> caps-lock led seem to stop working when the event occurs.  I am guessing
> it is related to the sata_promise driver, but that is only a guess as
> I don't get much for output.  I am running the debian unstable kernel
> (2.6.22-1-686), but the problem also occurs with the debian stable kernel
> (2.6.18-4-686).  I do need to boot with the acpi=off option, but am
> not sure if that is related.  Unfortunately, I do not know much about
> troubleshooting i386 when problems occur inside the interrupt handlers.

There is a list of kernel options you can try, including:

  noapic
  nolapic
  pci=nomsi,nommconf
  pci=noacpi

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