Re: Broken APIC detection 2.4.10?

From: Mikael Pettersson (
Date: Sun Sep 30 2001 - 06:26:28 EST

On 27 Sep 2001 18:21:54 -0400, Sujal Shah wrote:

>I just switched up to 2.4.10 on my Sony Vaio N505VX. In the boot
>messages, I see near the top:
>Local APIC disabled by BIOS -- reenabling.
>Could not enable APIC!
>/proc/interrupts shows XT-PIC for all the interrupts. This was not the
>case before. Of course, I'm seeing other weirdness which is related
>(the YMFPCI based sound card won't reset on reboot without shutting down

Please elaborate: What does "This" in "This was not the case before."
refer to? The "Could not enable APIC!" boot message or the XT-PIC in

2.4.10 merged code from 2.4-ac which (in some .configs) will attempt
to enable the CPU's local APIC. The boot message above is printed if
your CPU doesn't have one.

>Anyone have any ideas why this is? The APIC stuff was getting detected
>fine in 2.4.7.

Can you send me your .configs and boot logs for both 2.4.7 and 2.4.10?
I don't think there is an actual problem, but I'd like to make sure.

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