linux-kernel - Re: x86 Geode issues in kernel >= 2.6.23 and >= 2.6.31-rc4

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Message-id: <4A8BAE8B.8080900@nets.rwth-aachen.de>
Date:	Wed, 19 Aug 2009 09:49:31 +0200
From:	Arnd Hannemann <hannemann@...s.rwth-aachen.de>
To:	"q-funk@....fi" <q-funk@....fi>
Cc:	Arnd Hannemann <Arnd.Hannemann@...s.rwth-aachen.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: x86 Geode issues in kernel >= 2.6.23 and >= 2.6.31-rc4

Martin-Éric Racine schrieb:
> On Mon, Aug 3, 2009 at 4:31 PM, Arnd
> Hannemann<hannemann@...s.rwth-aachen.de> wrote:
>> Martin-Éric Racine wrote:
>>> On Mon, Aug 3, 2009 at 4:19 PM, Arnd
>>> Hannemann<hannemann@...s.rwth-aachen.de> wrote:
>>>> Martin-Éric Racine wrote:
>>>>> (non-subscriber post; please keep me in CC)
>>>>>
>>>>> Greetings,
>>>>>
>>>>> Having previously reported two issues via Ubuntu's bug tracker and not
>>>>> found any answer, I thought I'd approach the LKML with the issues at
>>>>> stake.
>>>>>
>>>>> 1) Since kernel 2.6.23, one cannot boot hardware based on the Geode
>>>>> SCx200 series. Partial answers about the most plausible cause have
>>>>> been found by the target hardware's manufacturer as explained at
>>>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/241307
>>>>>
>>>>> 2) Since kernel 2.6.31-rc4, one cannot boot hardware based on the
>>>>> Geode LX800 as described at
>>>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/396286
>>>>>
>>>>> In case either of these issues was already reported and there is a
>>>>> know fix or work-around, I'd love to hear more. Otherwise, please feel
>>>>> free to contact me for additional details.
>>>>>
>>>> Just to give a data point:
>>>> 2.6.31-rc1,2,3,4,5 were/are running all fine on my Geode LX800
>>>> (http://www.pcengines.ch/alix2d2.htm) so it seems something
>>>> board or .config specific.
>>> Thank you for your answer, Arnd.
>>>
>>> Could you please send me a copy of your .config so that I can compare
>>> it with the one used on Ubuntu kernels?
>> Sure. Config for 2.6.31-rc5 is attached.
> 
> Could you try enabling CONFIG_FS_POSIX_ACL in your config and building
> a new kernel? Does it still boot?

Yes, still works.
However, I'm booting over PXE/NFS so it may not be used during boot.
I mounted an ext3 loop image when the machine was up, and that works.

Best regards,
Arnd

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