Hi Sasha, On Wed, Apr 08, 2015 at 05:29:16PM +0000, Mark Enstone wrote: > Everyone, thank you for your attention and suggestions. > > Johan, perfect, thank you, that did indeed help and has fixed the > issue I was seeing. > > The change replaced dev_err() with dev_dbg() -- thus not logging (by > default) what was a very noisy flood of messages. Does that simply > change timing enough such that the USB HCD has time to process the > disconnect? Or is there something else going on that I'm missing? > > -----Original Message----- > > From: Johan Hovold [mailto:jhovold@xxxxxxxxx] On Behalf Of Johan Hovold > > Sent: Tuesday, April 07, 2015 2:58 PM > > To: Mark Enstone > > Cc: linux-usb@xxxxxxxxxxxxxxx > > Subject: Re: Question: drivers/usb/serial/generic.c: > > usb_serial_generic_read_bulk_callback() > > Could you try updating to 3.19 (or later) or to cherry pick aa8e22128b40 > > ("usb: serial: silence all non-critical read errors") and see if that helps? > > > > We should backport that one to stable either way. You may want to add aa8e22128b40 ("usb: serial: silence all non-critical read errors") to 3.18-stable as it fixes a lock-up-on-disconnect regression with at least two controllers (3.15 through 3.18 are affected). Thanks, Johan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
