Re: Video toggle button hang, Fn+F4 on Compaq Evo N1005v.

[Andrew Ross <aross-ncau/BB9MAPvnOemgxGiVw@public.gmane.org>]

On Tue, 2004-07-20 at 02:08, Christer Backstrom wrote:
> I got this video-out toggle button Fn-F4 on my Evo, which totally hang my 
> lappy if I use it, no messages and no serial console, no difference if I got 
> something connected or not. I've been looking round on the web for the 
> solution to this, and found patches for ignoring ff buttons and correcting 
> the dsdt, but no go. And Compaq of course gives me the old "Linux is not 
> supported" yadi-yadi-yada. I was wondering if anyone has suggestions for 
> howto debug this? And to be honest, I'm not even sure this is a ACPI problem, 
> but everything else seems to be ACPI controlled. I've seen others complaining 
> about exactly the same problem on the Presario900 list (pretty much the same 
> computer).

Interesting that you never came across the much publicised solution to
this problem (perhaps your searches were too specific). Try disabling
uniprocessor apic, either via a boot time option as suggested by Karol
Kozimor, or in the kernel config itself. The kernel config option is
CONFIG_X86_UP_APIC

Let us know if that works

Cheers

Andrew



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