Re: USB-related lockup in test12-pre5

From: Johannes Erdfelt (johannes@erdfelt.com)
Date: Thu Dec 07 2000 - 13:40:14 EST


On Thu, Dec 07, 2000, David Woodhouse <dwmw2@infradead.org> wrote:
> Haven't tried test12-pre7 yet. Is enabling bus mastering likely to make
> this magically go away? I doubt it.

Probably not. Enabling bus mastering is the difference between USB
working at all (transfering data to the device) and not working.

> This happened when trying to run excel under wine. Dual Celeron with
> CONFIG_USB_UHCI.

Could you try the alternate UHCI driver? You may need to disable the
UHCI driver you have configured for the option to become visible.

> >>EIP; c0270c21 <stext_lock+4e6d/8f50> <=====
> Trace; c01f488e <usb_submit_urb+1e/30>
> Trace; ca8578be <[audio]usbout_completed+7e/c0>
> Trace; c01ffc3e <process_urb+1de/230>
> Trace; c01ffd49 <uhci_interrupt+b9/120>

It looks like you were using USB audio? Could you explain what you were
doing when the oops happened?

JE

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