Hi! > We've had a number of reports recently of people with NFS and CIFS > mounts that were unable to suspend or hibernate their machines. Here > are a couple of Fedora bugs that illustrate the problem: > > https://bugzilla.redhat.com/show_bug.cgi?id=712088 > https://bugzilla.redhat.com/show_bug.cgi?id=717735 > > When it occurs the problem is pretty clear. We have a task that's > sleeping in the kernel in TASK_KILLABLE sleep, generally waiting > for a reply to come in. Often though, userspace has already taken > down the interface so that reply will never come. The process then > fails to freeze and the suspend fails. Userspace should not take interface down for suspend (*). Why do that? > This patch fixes this by allowing the TASK_KILLABLE sleeps in NFS and > CIFS to be awoken by the freezer and then to try to freeze. If a freeze > event does occur, then the code will treat it as if a schedule() has > already occured. Looks like good idea... (*) unless absolutely neccessary. openvpn? -- (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
