On Thu, 2010-05-27 at 13:08 -0400, J. Bruce Fields wrote: > On Mon, May 24, 2010 at 01:17:01PM -0400, Christopher Hawkins wrote: > > Thanks Bruce, it does appear that idmapd is somehow related to this > > issue. However, I'm stumped because it does exist on the client, along > > with all the libraries it requires (according to ldd, anyway). > > And /etc/passwd, and whatever other files it might decide it needs to > open to do its work? > > > Is > > there an easy way to disable idmapd while still running nfs4 to > > determine if it is causing the hang? > > Not that I know of. Why would you need to? 'Magic sysrq-trigger t' will show you if the idmapper is deadlocked inside the NFS filesystem (as will the equivalent 'echo t >/proc/sysrq-trigger'). Trond -- 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