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From: Ming Lei <tom.leiming@gmail.com>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Oliver Neukum <oliver@neukum.org>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-usb@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Willy Tarreau <willy@meta-x.org>,
	Alan Stern <stern@rowland.harvard.edu>
Subject: Re: Regression due to: net/usbnet: avoid recursive locking in usbnet_stop()
Date: Fri, 23 Mar 2012 11:28:20 +0800	[thread overview]
Message-ID: <CACVXFVMPqXr+AuoBj9R5Fk=_UOPaozm2ok9zd9N-_JUOe8cu4g@mail.gmail.com> (raw)
In-Reply-To: <4F6BAE34.7010805@wwwdotorg.org>

On Fri, Mar 23, 2012 at 6:56 AM, Stephen Warren <swarren@wwwdotorg.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

  reply	other threads:[~2012-03-23  3:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-22 22:56 Regression due to: net/usbnet: avoid recursive locking in usbnet_stop() Stephen Warren
2012-03-22 22:56 ` Stephen Warren
2012-03-23  3:28 ` Ming Lei [this message]
2012-03-23 16:53   ` Stephen Warren
2012-03-23  7:21 ` Oliver Neukum

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