On Mon, 2011-02-14 at 14:31 -0500, Steve Thompson wrote: > CentOS 5.5, 32- and 64-bit. Maps from LDAP. I upgraded recently (as part > of a system-wide yum update) from autofs-5.0.1-0.rc2.143.el5_5.4 to > autofs-5.0.1-0.rc2.143.el5_5.6, and ever since I have had a MASSIVE number > of automount hangs (several per day across 170 systems). Nothing is > logged, and the automount deamon is hung solid; only a SIGKILL and a > restart can recover the daemon (and, if I wasn't already logged in, a > power cycle is required - all accounts use automounted NFS home > directories). Reading the Changelog, I see these changes: > > - add mutex to serialize access to mount module handle in parse module > - dont check null cache on expire > - fix null cache race > - fix cache_init() on source re-read > - fix negative cache included map lookup > > I don't know which of these to point the finger at, but I have also > noticed many messages similar to: > > automount<pid>]: update_negative_cache: key "<pid>" not found in map. > > all of which are incorrect. Really need a fix for this asap - we're > almost dead in the water.
I can't see any obvious problems Can you get a gdb backtrace of a couple of the hangs and post them? In particular I need the output of "thr a a bt". Ian _______________________________________________ autofs mailing list autofs@linux.kernel.org http://linux.kernel.org/mailman/listinfo/autofs