Subject: Re: APIC enabled no more USB
To: None <>
From: Chris Tribo <>
List: current-users
Date: 10/03/2006 09:41:01
On Oct 2, 2006, at 4:07 PM, Pierrick Brossin wrote:

> On Mon, Oct 02, 2006 at 03:59:05PM -0400, Chris Tribo wrote:
>> I see the same problem randomly on ICH6, ICH7, and since it just
>> showed up today, ICH8. sometimes accompanied with a few
>> ehci_sync_hc : tsleep() = 35 messages. Also with ICH8 (core 2 duo
>> i965) I'm seeing uhci1 host controller halted errors.
> Yeah it sometimes works. Do you have any idea how to solve this ?

Remove all USB controllers (EHCI,UHCI,OHCI) and USB devices from your  
kernel. Then it might keep using the BIOS's PS/2 legacy emulation. If  
it works, you won't be able to hot plug anything, and if the BIOS  
doesn't set it up correctly at boot you're out of luck.