On Wed, May 16, 2012 at 09:34:27PM +0000, Orion Poplawski wrote: > Orion Poplawski <orion@...> writes: > > > > See https://bugzilla.redhat.com/show_bug.cgi?id=820707 > > > > If the network is disconnected it is impossible to unmount, even if no > > processes are accessing the mount. umount -f and umount -l both hang on > > readlink("/home/orion"). > > umount needs to canonicalize the path so it does a readlink on the path given to > it. It seems that the canonicalization is unnecessary (already fixed in libmount upstream code). https://bugzilla.redhat.com/show_bug.cgi?id=820707 > This appears to wait forever. This pretty much makes it impossible to use krb5 > nfs4 with laptops where the network can disappear. Is it possible to interrupt this "wait" by signal? ... then we can add alarm() to critical sections in programs like umount or lsof. Now for example lsof resolves this problem by fork() and timeout in parent.. that's pretty nasty solution :-( Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com -- 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
