Am Freitag, 16. Dezember 2011, 08:16:52 schrieb Thilo-Alexander Ginkel: > Ok. I also tried whether extending the mutex in acm_tty_hangup to also > cover tty_port_hangup helps, but it did not. What I noticed, though, > that in close proximity to the Oops an usb unregister event for my > WWAN modem happens. Details of the respective backtrace are available > at: > http://ubuntuone.com/1ZFEa1TJSDxYLRbdmWW2Yy > > Sorry, just a JPEG, netconsole does not seem to work that early during > the wakeup. The Oops output is slightly altered to drop the registers > output and second Oops as it will not fit on screen otherwise. > > Any hints where to continue debugging are much appreciated! It looks like the hangup happens on a device that is already gone. Regards Oliver -- 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
