linux-kernel - Re: usb midi keyboard broken [3.3.3 regression]

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Date:	Fri, 27 Apr 2012 11:26:12 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Jiri Slaby <jslaby@...e.cz>
cc:	Steffen MÃ¼ller <steffen.mueller@...io-frei.de>,
	<opensuse-factory@...nsuse.org>, <stable@...nel.org>,
	Greg KH <greg@...ah.com>, USB list <linux-usb@...r.kernel.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: usb midi keyboard broken [3.3.3 regression]

On Fri, 27 Apr 2012, Jiri Slaby wrote:

> On 04/27/2012 09:37 AM, Steffen Müller wrote:
> >> [  224.418062] usb 1-1.3: USB disconnect, device number 6 [
> >> 227.662396] usb 1-1.3: new full-speed USB device number 7 using
> >> ehci_hcd [  227.749541] usb 1-1.3: New USB device found,
> >> idVendor=0763, idProduct=0192 [  227.749550] usb 1-1.3: New USB
> >> device strings: Mfr=1, Product=2, SerialNumber=0 [  227.749556]
> >> usb 1-1.3: Product: USB Keystation 88es [  227.749560] usb 1-1.3:
> >> Manufacturer: M-Audio [  229.750236] ALSA midi.c:214 urb status
> >> -32 [  229.750700] ALSA midi.c:214 urb status -32 [  229.750911]
> >> ALSA midi.c:214 urb status -32 [  229.751175] ALSA midi.c:214 urb
> >> status -32 [  229.751413] ALSA midi.c:214 urb status -32 [
> >> 229.751659] ALSA midi.c:214 urb status -32 [  229.751910] ALSA
> >> midi.c:214 urb status -32 [  229.752210] ALSA midi.c:214 urb
> >> status -32 [  229.752459] ALSA midi.c:214 urb status -32 [
> >> 229.752662] ALSA midi.c:214 urb status -32
> 
> Hmm... I suspect some USB patches added in 3.3.3... Alan, Greg, any ideas?
> 
> 3.3.2 is reported to work.

No ideas.  It would be good to see a usbmon trace, with as many other 
USB devices unplugged as possible.  Even better would be to see also a 
second usbmon trace from a working kernel.

Alan Stern

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