netdev - Re: Regression due to: net/usbnet: avoid recursive locking in usbnet

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Message-ID: <CACVXFVMPqXr+AuoBj9R5Fk=_UOPaozm2ok9zd9N-_JUOe8cu4g@mail.gmail.com>
Date:	Fri, 23 Mar 2012 11:28:20 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Oliver Neukum <oliver@...kum.org>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Willy Tarreau <willy@...a-x.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: Regression due to: net/usbnet: avoid recursive locking in usbnet_stop()

On Fri, Mar 23, 2012 at 6:56 AM, Stephen Warren <swarren@...dotorg.org> wrote:
> It looks like commit 4231d47e6fe69f061f96c98c30eaf9fb4c14b96d
> "net/usbnet: avoid recursive locking in usbnet_stop()" causes a problem
> for me.
>
> When I reboot or shutdown, I see the error spew below at least 50% of
> the time. Reverting the above patch fixes this, at least for 10 reboot
> attempts.

The two patches[1][2] should fix your problem, please try them.
Both have been applied into David's tree.


[1], http://marc.info/?l=linux-usb&m=133242262312402&w=2
[2], http://marc.info/?l=linux-usb&m=133242264412410&w=2

Thanks,
-- 
Ming Lei
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