Re: how to diagnose/fix : cannot boot without acpi=off

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On Tue, 30 Mar 2010, Philippe De Muyter wrote:

> Hello acpi experts
> 
> I have just installed opensuse 11.3 milestone 4 (2.6.33-6-desktop) on a laptop
> hp pavilion dv6-1300sb, and it refuses to boot without acpi=off which in turn
> prevents me to use the wireless chip.
> 
> I would like to diagnose precisely what the problem(s) is/are.
> 
> which option should I add to the linux commandline to make it point to the
> problem ?  I have already tried 'ignore_loglevel debug' but the last
> message is never the same.

Did previous versions of Linux boot properly on this machine?

Please open a bug report:

https://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

and attach the output from acpidump and dmesg -s64000
from your acpi=off boot.

If you can take a photo of the failed boot, or otherwise
describe it in more detail, that would be helpful.

See if any of these random options help it boot:
acpi=ht (likely this will work)
acpi=rsdt
acpi=noirq
pci=noacpi

thanks,
-Len Brown, Intel Open Source Technology Center

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