On Tue 2013-07-23 01:02:50, Michael Leun wrote: > On Mon, 6 May 2013 16:50:18 -0700 > Colin Cross <ccross@xxxxxxxxxxx> wrote: > > > Avoid waking up every thread sleeping in a futex_wait call during > [...] > > With 3.11-rc s2disk from suspend-utils stopped working: Frozen at > displaying 0% of saving image to disk. > > echo "1" >/sys/power/state still works. > > Bisecting yielded 88c8004fd3a5fdd2378069de86b90b21110d33a4, reverting > that from 3.11-rc2 makes s2disk working again. Would id be possible to get all the backtraces using magic sysrq? ...actually... I see what could happen. Before, system hibernated in state where all the futexes were unlocked. Now, it can happen that we attempt s2disk with futex held. s2disk should not depend on other parts of userspace, and should not take futexes, but maybe it does...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
