linux-kernel - Re: [2.6.33-rc2] ACPI problems on HP nc6400 notebook

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Message-ID: <4B3413C4.6070602@gmail.com>
Date:	Thu, 24 Dec 2009 17:22:12 -0800
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Sedat Dilek <sedat.dilek@...glemail.com>
CC:	LKML <linux-kernel@...r.kernel.org>, len.brown@...el.com
Subject: Re: [2.6.33-rc2] ACPI problems on HP nc6400 notebook

On 12/24/09 17:11, Sedat Dilek wrote:
> Hi,
>
> I build linux-2.6.33-rc2 on a Debian/sid 32-bit host.
> Unfortunately, this kernel falls in an unusable state (sort of loop)
> and does not a normal startup.
>
> With this setting (see below), I hoped to catch the early
> boot-messages (but, no success):
>
> # cat /etc/default/bootlogd
> # Run bootlogd at startup ?
> BOOTLOGD_ENABLE=Yes
>
> Finally, I could take a picture [1].
> It seems to be that latest ACPI patches are breaking my system (speculating).
>
> Q: How can I log such early boot (error) messages to give a detailled log?
>
> Hope this helps fixing the problem.
>
> Kind Regards,
> - Sedat -
>
>
> [1] http://files.iniza.org/linux-kernel/DSCN2134.JPG
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you can try(if you have the port)
ohci1394_dma=early or the usb
early logging located in kernel hacking.

but if this thing is hitting way early it
might be a bit more tricky.

if you can try  a bisect from the bad
kernel to the good.

Justin P. Mattock
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