Re: 2.5.64p5 No USB support when APIC mode enabled

Meino Christian Cramer (
Fri, 07 Mar 2003 14:37:58 +0100 (MET)

From: Alan Cox <>
Subject: Re: 2.5.64p5 No USB support when APIC mode enabled
Date: 07 Mar 2003 12:52:16 +0000

Hi Alan,

thanks for your reply!

Unfortunately it does not solve the problem:
As long as uhci (or USB per se) is not present, things do work.

But uhci/USB get confused and repeats the message (in my last mail)
endlessly i fcompbined with APIC mode.

Therefore it seems that APIC is working with my VIA board without USB.
But I cannot live without USB ... my mouse is USBish and X without a
mouse is a little ... hmmm senseless.

Any ideas else?

Keep Hacking!

> You need at least 2.4.21-pre5-ac, or 2.5.64-ac (I just sent Linus the
> relevant changes) to use APIC on the VIA chipset systems. You also need
> a BIOS with correct tables, which can also be a little tricky to find
> in uniprocessordom
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