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

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Date:	Fri, 25 Dec 2009 09:48:31 +0100
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	"Justin P. Mattock" <justinmattock@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, len.brown@...el.com
Subject: Re: [2.6.33-rc2] ACPI problems on HP nc6400 notebook

Hi,

as I suspected it is an ACPI issue while I tried to boot with "acpi=off".

I have taken new screenshots and added dmesg (acpi=off) and all
messages in /var/log/* [1].

It is possible to load acpi kernel-module afterwards?
Or it is not possible whenn loading with acpi=off?

@Len Brown:
There are two photos showing thermal problems.
Notebook did shut down in the night.
But this was before 2.6.33-rc2.

I will not try a bisect (visting currently my brother and working with
touchpad really sucks), but I will revert the wmi-related (wmi/hp-wmi)
commits.
There seems problems with wmi on other systems w/ 2.6.33-rc2 [2].

Kind Regards,
- Sedat -

[1] http://files.iniza.org/linux-kernel/BUG_2.6.33-rc2/
[2] http://marc.info/?l=linux-kernel&m=126171951030608&w=2

On Fri, Dec 25, 2009 at 2:22 AM, Justin P. Mattock
<justinmattock@...il.com> wrote:
> 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
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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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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