On Mon, 7 Mar 2016, Mark Valites wrote: > I recently updated a Red Hat 7 host. After rebooting, the nfs mounts on it > (nfsver3,sec=krb5) failed to mount, due to the gss daemon segfaulting when the > mount attempt happened: > > [ 7.816487] FS-Cache: Loaded > [ 7.887575] FS-Cache: Netfs 'nfs' registered for caching > [ 7.931164] rpc.gssd[498]: segfault at 5544452e ip 00007fbc9d704ee6 sp > 00007ffc37291678 error 4 in libc-2.17.so[7fbc9d5ca000+1b > 4000] > [ 7.964578] abrt-hook-ccpp[994]: segfault at 0 ip 00007fba2e09431b sp > 00007ffefa92fb50 error 4 in libreport.so.0.0.1[7fba2e0860 > 00+25000] > [ 7.965398] Process 994(abrt-hook-ccpp) has RLIMIT_CORE set to 1 > [ 7.965483] Aborting core > > At mount time, The console displays these messages as well: > > RPC: AUTH_GSS upcall timed out. > Please check user daemon is running. > > gssd will start without issue if started manually on its own, but dies if I > subsequently try to manually mount any of the nfs mounts. > > I've isolated the issue down to the latest update in the nfs-utils package: > > Working: nfs-utils-1.3.0-0.21.el7.x86_64 > Broken: nfs-utils-1.3.0-0.21.el7_2.x86_64 > > (note the '_v2' difference) > > gssd/the mounting works without issue after backing down to the older > nfs-utils version. > > It looks similar to the following bug report (fixed in 1.3.1), but I'm not > 100% convinced it's the same: > > https://bugzilla.redhat.com/show_bug.cgi?id=1108615 > > If this is in fact the issue, I would be happy keeping the updated nfs-utils > version, but working around the issue via changing my krb5.conf, but I'm not > sure where the *preferred*_realm comes from - I do have *default*_realm set in > my krb5.conf. > > If that's not it, I'd be happy to provide any additional information that may > assist in troubleshooting & welcome any suggestions, but I'd greatly prefer to > retain the OS-supplied nfs-utils. > > -Mark Hey Mark, could it be this one? https://bugzilla.redhat.com/show_bug.cgi?id=1313090 Ben -- 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
