lkml.org 
[lkml]   [2005]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRE: Kernel 2.6.12 + IO-APIC + uhci_hcd = Trouble
Date
From


> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org
> [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of
> Michel Bouissou
> Sent: Sunday, July 10, 2005 2:11 AM
> To: linux-kernel@vger.kernel.org
> Cc: stern@rowland.harvard.edu; mingo@redhat.com
> Subject: Kernel 2.6.12 + IO-APIC + uhci_hcd = Trouble
>
> Hi there,
>
> I use a Gigabyte GA7-VAXP motherboard that has been fine for
> more than 2 years with 2.4 series kernels, and that gives
> trouble with 2.6.12 (and previous) kernels.
>
> The problem seems to sit between the UP IO-APIC and USB
> uhci_hcd driver.
>
> The GA7-VAXP MB is equipped with an Athlon 2000+ XP and a VIA
> KT400 chipset.
>
> Using 2.4 series kernel the IO-APIC is used just fine. Was
> never source of any kind of problem.
>
> Using 2.6.12 kernel, if the IO-APIC is enabled in the kernel
> configuration, then the interrupt controlling the uhci_hcd
> USB controller gets disabled as soon as uhci_hcd is initialized.

Michel,
Symptoms that you describe resemble several IRQ problems with VIA
chipset reported by others (but not quite...) Could you check on
bugzilla #4843 please
http://bugzilla.kernel.org/show_bug.cgi?id=4843 and see if the patch
fixes your problem.
Thanks,
--Natalie


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-07-10 20:54    [W:0.074 / U:0.272 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site