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From: Greg KH <greg@kroah.com>
To: Micha? Miros?aw <mirq-linux@rere.qmqm.pl>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: Race condition in TTY ldisc layer in 2.6.33
Date: Thu, 11 Mar 2010 05:50:09 -0800	[thread overview]
Message-ID: <20100311135009.GA8801@kroah.com> (raw)
In-Reply-To: <20100311133222.GA19884@rere.qmqm.pl>

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

  reply	other threads:[~2010-03-11 14:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-11 13:32 Race condition in TTY ldisc layer in 2.6.33 Michał Mirosław
2010-03-11 13:50 ` Greg KH [this message]
2010-03-11 15:50   ` Michał Mirosław
2010-03-11 16:06     ` Michał Mirosław
2010-03-11 16:21       ` Alan Stern
2010-03-11 16:29       ` Johan Hovold
2010-03-11 17:02         ` Michał Mirosław

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