On Fri, Jan 05, 2007 at 05:38:50PM -0500, Alan Stern wrote:
> Those values are puzzling. The log indicates a short gap in
> the transmissions (maybe your computer was momentarily busy with something
> else) when the trouble started. But the values above indicate that the
> following transmissions completed successfully even though they didn't
> send any data!
>
> >
> > I've put the full log at:
> > http://beast.luon.net/~sjoerd/usbmon-output-powerpc.gz
> >
> > All help is appreciated :)
> >
> > Sjoerd
>
> I'd like to help solve this, but I don't have much time right now.
No worries, i'd like to get this solved but my time is also limitted :)
>
> What happens if you use an earlier kernel, such as 2.6.17?
>
> Another thing to try: Turn on CONFIG_USB_DEBUG and CONFIG_DEBUG_FS in
> 2.6.18. Then do
>
> mount -t debugfs none /sys/kernel/debug
> cd /sys/kernel/debug/uhci
>
> and get a copy of the file corresponding to the UHCI controller attached
> to your audio device. Try making copies both before and after the problem
> occurs.
Note that i've got this problem with ah OHCI controller, not with an UHCI
controller.. I did turn on USB_DEBUG, which for OHCI creates some files in
sysfs, but there wasn't a notable difference before and after.
Other ideas ? :)
Sjoerd
--
Life is the childhood of our immortality.
-- Goethe
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