linux-kernel - Re: [2.6.34-rc1 REGRESSION] ahci 0000:00:1f.2: controller reset failed (0xffffffff)

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Date:	Tue, 06 Apr 2010 18:08:04 -0700
From:	Yinghai <yinghai.lu@...cle.com>
To:	Andy Isaacson <adi@...apodia.org>
CC:	linux-kernel@...r.kernel.org, Bjorn Helgaas <bjorn.helgaas@...com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Matthew Wilcox <willy@...ux.intel.com>
Subject: Re: [2.6.34-rc1 REGRESSION] ahci 0000:00:1f.2: controller reset failed
 (0xffffffff)

On 04/06/2010 03:54 PM, Andy Isaacson wrote:
> This Dell Precision WorkStation T3400 doesn't boot 2.6.34-rc1 (tried
> 522dba71).  2.6.33 was fine, and it's been running various stable
> kernels for the last 18 months.  Unfortunately I can't reasonably bisect
> as I need this machine to be usable, but I can test specific patches or
> options.  (three or four reboots is fine, 15 is not.)
> 
> full dmesg from failing boot and a successful boot at
> http://web.hexapodia.org/~adi/tmp/20100406-pci-ahci-reset-fail/
> 
> I suspect it's due to:
> 
> [    3.094038] pci 0000:00:1f.2: no compatible bridge window for [mem 0xff970000-0xff9707ff]
> [    3.103001] pci 0000:00:1f.2: can't reserve [mem 0xff970000-0xff9707ff]
> 
> so I've CCed a few recent committers to setup-res.c.
> 

can you try to boot with pci=nocrs ?

also please check with -rc4.

YH

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