On Tuesday, October 11, 2011, Jeff Layton wrote: > On Tue, 11 Oct 2011 08:18:19 +0200 > Pavel Machek <pavel@xxxxxx> wrote: > > > 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? > > > > I suspect that NetworkManager does this to try and allow for the case > where someone suspends their laptop and then wanders off to another > network and then resumes. That's correct. > Either way, we still want to allow suspend and hibernate to work regardless > of what userspace does during the process. Very true. :-) Thanks, Rafael -- 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
