linux-kernel - Re: acpi regression on some laptops

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Message-ID: <20070712000124.22d0c3a7@i1501.lan.towertech.it>
Date:	Thu, 12 Jul 2007 00:01:24 +0200
From:	Alessandro Zummo <alessandro.zummo@...ertech.it>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	tglx@...utronix.de, Tim Gardner <tim.gardner@...onical.com>
Subject: Re: acpi regression on some laptops

On Wed, 11 Jul 2007 15:17:25 -0400
Chuck Ebbert <cebbert@...hat.com> wrote:

> >  I'm trying to debug it.. any help/pointers are appreciated. I dont't
> >  have a deep knowledge of the subsystems involved.
> 
> What options did you try?
> 
>   nohpet
>   nohz=off
>   highres=off
> 
> Should be tried in various combinations.

 Hi,

   I tried all the permutations of the above with the same result:
 the kernel hangs at NET: Registering protocol family 2.

 With nolapic it hangs at APIC: Using PIC for interrupt routing

 With acpi=off it boots but, obviously, everything acpi related
 does not work.
 
 anything else I can try? The laptop does not have a serial port,
 so I can't capture the dmesg output.

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it

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