Video toggle button hang, Fn+F4 on Compaq Evo N1005v.
Hi All,
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). On another note: there's a Presario model with almost the same config, but with everything working. Anyone know if I can use the Presario BIOS?
Config: linux-2.6.7+dsdt-initrd-patch+ignore-ff-button-patch.
PS. As I'm not getting anything out of the box as it hangs, I'm not attaching any files. If someone wants this, I'll post them. DS.
/Chris
First and last Compaq ever. Promise.
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A message that is not in the archive (sent off-list or not yet received): 200407191808.10728.cbackstrom-TTD55EFobGVBDgjK7y7TUQ@public.gmane.org
Thus wrote Christer Backstrom:
Quoted 3 lines
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
You might try booting with 'nolapic'.
Best regards,
Signature · 9 lines
Karol 'sziwan' Kozimor sziwan-DETuoxkZsSqrDJvtcaxF/[email protected] ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
Quoted 10 lines · Christer Backstrom
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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