On Thu, Mar 11, 2010 at 05:50:09AM -0800, Greg KH wrote: > 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? I'm running with the patch now. After couple cycles of starting and killing the ldisc-setting process I get no warnings. I'll get back to you when/if I encounter them again. Best Regards, Michał Mirosław -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
