Re: acpi regression on some laptops

[Alex Maclean]

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

I'm unsure just what hardware you're working with, but try using the 
option nolapic_timer.
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