Re: [Bugme-new] [Bug 12447] New: usbtouchscreen submits URB too quickly if built in to kernel

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On Wed, 14 Jan 2009, Dmitry Torokhov wrote:

> > I suppose this is device-specific and will have to be worked around in
> > the driver buy resubmitting request a few times until it "sticks".
> 
> Hmm, I take it back... the message comes from the IRQ routine; that
> means we were able to submit IRQ at least once. Plus we do send a
> few control messages for mtouch. So I don't understand why it would
> start returning -ENODEV out of sudden.

A usbmon trace might come in useful here.  See the instructions in 
Documentation/usb/usbmon.txt.

Alan Stern

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