On Thu, Apr 01, 2010 at 05:04:56PM +0200, Oliver Neukum wrote: > Am Donnerstag, 1. April 2010 11:38:15 schrieb Gadiyar, Anand: > > Was the bug that usb_autopm_do_device() would hold the usb_pm_lock when > > calling cdc-acm's suspend method, and that acm_suspend eventually calls > > cancel_work_sync(&acm->waker) - which blocks if the callback is running, > > and if acm->waker's callback is running, it calls usb_autopm_get_interface > > which tries to usb_pm_lock()? > Yes, that was the bug. I've now queued up the two patches to -stable to resolve this. thanks, greg k-h -- 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
