linux-kernel - Re: Panic from mptspi_dv_renegotiate

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Message-ID: <4521B403.2050606@garzik.org>
Date:	Mon, 02 Oct 2006 20:51:15 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Andrew Morton <akpm@...l.org>
CC:	"Moore, Eric" <Eric.Moore@...l.com>,
	Martin Bligh <mbligh@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andy Whitcroft <apw@...dowen.org>, linux-scsi@...r.kernel.org
Subject: Re: Panic from mptspi_dv_renegotiate_work in 2.6.18-mm2

Andrew Morton wrote:
> On Mon, 02 Oct 2006 20:32:13 -0400
> Jeff Garzik <jeff@...zik.org> wrote:
> 
>> FWIW, I am seeing precisely this problem, in the latest -git.
> 
> I just sent this to Linus.  Fingers crossed, it'll fix...
> 
> From: Andrew Morton <akpm@...l.org>
> 
> 54dbc0c9ebefb38840c6b07fa6eabaeb96c921f5 is causing various people's machines
> to fail to map PCI resources.
> 
> Revert it in preparation for addressing the show-APICs-in-/proc/iomem
> requirement in a different manner.
> 
> Cc: Aaron Durbin <adurbin@...gle.com>
> Cc: Andi Kleen <ak@....de>
> Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
> Signed-off-by: Andrew Morton <akpm@...l.org>

I'll give it a good test.  My sata_mv (requires PCI domains) also died 
with a bunch of timeouts.  Lack of interrupts, or lack of PCI resources, 
is definitely indicative of a cause.

	Jeff



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