Date: Sat, 1 Mar 2003 12:22:51 -0500
From: fauxpas@temp123.org
To: Mikael Pettersson <mikpe@user.it.uu.se>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IOAPIC on Via KT266a
Message-ID: <20030301172251.GA30143@temp123.org>
References: <20030227165248.GA12030@temp123.org> <15967.28629.35699.473056@gargle.gargle.HOWL>
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On Fri, Feb 28, 2003 at 03:19:01PM +0100, Mikael Pettersson wrote:

> This is almost certainly a hardware problem: your machine's APIC bus
> is corrupting messages, or some other agent than the CPU is creating
> corrupt messages. This isn't exactly unheard of for non-Intel chipsets.

Hmmm... windows seems to have a workaround for at least part of the
problem, I spent the last day trying to confuse the APIC unsuccessfully
on that system.  Could it be a problem with the uhci driver perhaps?
The only two persistant symptoms are the usb failure and the slew of=20
messages.

The APIC errors I receive are mostly 02(02) but a good deal of
02(01), 01(02) and 01(01).  Checksum errors galore.

This only happens with IO-APIC is enabled throughout:

hub.c: new USB device 00:11.2-1, assigned address 2
usb_control/bulk_msg: timeout
usb.c: USB device not accepting new address=3D2 (error=3D-110)
hub.c: new USB device 00:11.2-1, assigned address 3
b.c: USB device not accepting new address=3D3 (error=3D-110)
hub.c: new USB device 00:11.2-2, assigned address 4
usb_control/bulk_msg: timeout
usb.c: USB device not accepting new address=3D4 (error=3D-110)
hub.c: new USB device 00:11.2-2, assigned address 5
usb_control/bulk_msg: timeout
usb.c: USB device not accepting new address=3D5 (error=3D-110)

--=20
Josh Litherland (fauxpas@temp123.org)

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