linux-kernel - Re: Race condition in TTY ldisc layer in 2.6.33

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Message-ID: <20100311135009.GA8801@kroah.com>
Date:	Thu, 11 Mar 2010 05:50:09 -0800
From:	Greg KH <greg@...ah.com>
To:	Micha? Miros?aw <mirq-linux@...e.qmqm.pl>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: Race condition in TTY ldisc layer in 2.6.33

On Thu, Mar 11, 2010 at 02:32:22PM +0100, Micha? Miros?aw wrote:
> Looks like there's some race contition in switching ldiscs on USB serial
> ports. The following warnings trigger sometimes after killing and restarting
> process that changes ldisc and waits forever. In case you want to look at
> the code, there it is: http://rere.qmqm.pl/~mirq/sermmc/

If you apply git commit 638b9648ab51c9c549ff5735d3de519ef6199df3 to the
2.6.33 kernel, does it solve the issue for you?

thanks,

greg k-h
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