linux-kernel - Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi

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Message-Id: <201001181825.39823.oliver@neukum.org>
Date:	Mon, 18 Jan 2010 18:25:39 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	dvomlehn@...co.com, gregkh@...e.de,
	linux-usb-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang

Am Montag, 18. Januar 2010 02:58:44 schrieb Matthew Garrett:
> drivers/usb/serial/generic.c: usb_serial_generic_write - port 0
> drivers/usb/serial/usb-serial.c: serial_write - port 0, 1536 byte(s)
> drivers/usb/serial/generic.c: usb_serial_generic_write - port 0
> drivers/usb/serial/usb-serial.c: usb_serial_port_work - port 0
> drivers/usb/serial/usb-serial.c: serial_write - port 0, 1536 byte(s)
> drivers/usb/serial/generic.c: usb_serial_generic_write - port 0

Hi,

it is not conclusive. Can you apply the attached patch and try again?

	Regards
		Oliver

View attachment "0001-additional-debugging.patch" of type "text/x-patch" (1379 bytes)