Re: urb status EOVERFLOW

Alan Stern <[email protected]>
Newsgroups gmane.linux.usb.devel
Message-ID <[email protected]>
On Wed, 4 Jul 2007, Felipe Balbi wrote:

> > If the device firmware has gone crazy, reset the device, then port.
> > This is what HID does, for example, because in it's illegal for
> > HID devices to bunch reports together.
> 
> and what about ending the session and starting all over again???
> seems to me that we don't know what's causing the babble in some
> cases... so the only way out is ending the session in the usb host
> controller itself.

Resetting the device (or its port -- I can't quite tell exactly what 
Pete meant above) effectively _does_ start a new session.

However with some devices, the only way to truly reset them is to 
unplug their power cable.  Not much the kernel can do then.

Alan Stern


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