linux-kernel - Re: usb-serial lockdep trace in linus' current tree.

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Message-ID: <20131108002451.GA28672@redhat.com>
Date:	Thu, 7 Nov 2013 19:24:51 -0500
From:	Dave Jones <davej@...hat.com>
To:	Johan Hovold <jhovold@...il.com>
Cc:	linux-usb@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: usb-serial lockdep trace in linus' current tree.

On Fri, Nov 08, 2013 at 01:09:03AM +0100, Johan Hovold wrote:
 
 > A recent change in usb-serial used the wrong memory-allocation flag in
 > write(), which results in a
 > 
 > 	[    5.979005] BUG: sleeping function called from invalid context at /home/johan/src/linux/linux-nu/mm/dmapool.c:310
 > 
 > with usb-next when using a usb-serial console as you seem to do be doing
 > as well.
 > 
 > Could be related. Care to give the fix below a try?

Seems to work. Feel free to add

Tested-by: Dave Jones <davej@...oraproject.org>

if this is the agreed upon fix for this.

thanks,

	Dave

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