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

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Date:	Tue, 6 Apr 2010 19:19:00 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Andy Isaacson <adi@...apodia.org>
Cc:	Yinghai <yinghai.lu@...cle.com>, 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 Tue, Apr 6, 2010 at 6:28 PM, Andy Isaacson <adi@...apodia.org> wrote:
> On Tue, Apr 06, 2010 at 06:08:04PM -0700, Yinghai wrote:
>> > [    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 ?
>
> That boots and configures the AHCI just fine.
>
>> also please check with -rc4.
>
> All I see in git is -rc3 + 299 commits ending with 0fdf867...
>
> That still fails with the same "controller reset failed" message from
> ahci.

please file bug and assign to Bjorn.

YH
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