linux-kernel - Re: 2.6.26 fails to boot on Acer TravelMate 5520 due to PCIE ASPM

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Message-ID: <e8ca35370808120714x42e37db8sb76ad098edb398db@mail.gmail.com>
Date:	Tue, 12 Aug 2008 16:14:22 +0200
From:	"Pascal Terjan" <pterjan@...driva.com>
To:	"Shaohua Li" <shaohua.li@...el.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-pci <linux-pci@...r.kernel.org>
Subject: Re: 2.6.26 fails to boot on Acer TravelMate 5520 due to PCIE ASPM

On Fri, Jul 18, 2008 at 7:09 PM, Pascal Terjan <pterjan@...driva.com> wrote:
> On Fri, 2008-07-18 at 09:21 +0800, Shaohua Li wrote:
>> On Thu, 2008-07-17 at 11:20 +0200, Pascal Terjan wrote:
>> > When CONFIG_PCIEASPM is activated, Acer TravelMate 5520 will hang at
>> > "Setting up standard PCI resources"
>> >
>> > pcie_noaspm does not seem to help
>> Can you double check it? With pcie_noaspm, the aspm driver does nothing.
>>
>
> Indeed, the option actually works fine and allows the machine to boot my
> small test kernel with CONFIG_PCIEASPM.
>
> I had tried the option on another 2.6.26 vanilla kernel (with a totally
> different config) and that one hangs at the same point without ASPM so
> I'm currently doing some more investigation

OK, I could work on this machine again and have some news.

I had another bug on 2.6.26 causing hang at almost the same place and
fixed by a0176e2485ce6468f9b74264a2fd6c19811f027a.

I can confirm that pcie_noaspm is now enough to boot on this machine
and will try to
identify the faulty device
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