On Sun, 2016-06-26 at 01:41 +0200, Cyril B. wrote: > Hello, > > I have occasional deadlocks using autofs 4.1.2 (but it happened on 4.1.1 > as well) on my servers, typically about once every 2 or 3 days. > > I already posted on this mailing-list back in 2015 for a bug that also > triggered deadlocks (which was fixed), so I'll copy/paste parts of my > original message as my config hasn't changed. > > /etc/auto.master: > -- > /nfs program:/etc/auto.nfs > /home program:/etc/auto.home > -- > > /etc/auto.nfs is basically returning: > > -fstype=nfs4,noatime,nosuid,_netdev,soft,intr,timeo=1000 $1:/ > > /etc/auto.home: > -- > #!/bin/sh > > if [ ! -h /var/home/$1 ] > then > exit 1 > fi > > echo -fstype=bind :$(readlink --no-newline /var/home/$1) > -- Btw, there was a bug in 5.1.1 were a program map lookup could hang under load due to out of order locking. The stack traces here didn't show what I'd expect to see with that but it can be a problem with 5.1.1. fyi, the patch that fixed that is: https://www.kernel.org/pub/linux/daemons/autofs/v5/patches-5.1.2/autofs-5.1.1-fix-out-of-order-call-in-program-map-lookup.patch Ian -- To unsubscribe from this list: send the line "unsubscribe autofs" in