linux-kernel - Re: [Bug #13941] x86 Geode issue

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Message-ID: <11fae7c70908130244k3f20954ewa23c5a57fbd60410@mail.gmail.com>
Date:	Thu, 13 Aug 2009 12:44:27 +0300
From:	Martin-Éric Racine <q-funk@....fi>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Alexander Viro <viro@....linux.org.uk>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #13941] x86 Geode issue

On Thu, Aug 13, 2009 at 12:07 PM, Ingo Molnar<mingo@...e.hu> wrote:
>
> * Martin-Éric Racine <q-funk@....fi> wrote:
>
>> Yes, this bug is still valid.
>>
>> Ubuntu kernel team member Leann Ogasawara and I are slowly
>> bisecting our way through the changes that took place since 2.6.30
>> to find the commit that introduced this regression. Please stay
>> tuned.
>
> hm, the only outright Geode related commit was:
>
>  d6c585a: x86: geode: Mark mfgpt irq IRQF_TIMER to prevent resume failure
>
> the jpg at:
>
>  http://launchpadlibrarian.net/28892781/00002.jpg
>
> is very out of focus - but what i could decypher suggests a
> pagefault crash in the VFS code, in generic_delete_inode().

There's a few more JPEG images below that have a slightly sharper image.

> Which could be a VFS bug, or a filesystem bug, or some unrelated
> memory corruption hitting the inode data structure.

It could indeed be many things.

I've been trying to boot this into a larger framebuffer to be able to
fit more data into my snapshots, but it appears that vga=795 doesn't
work anymore. Have we reverted to Hex values again or is this just an
issue of some kernel module missing from initrd?

Martin-Éric
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