portmap hanging on shutdown

Fri, 08 Aug 2014 08:43:51 +0000

Here’s yet another post about my compute cluster. It’s (obviously) running NFS and that works quite well. Up till now, I would always have trouble with portmap hanging on shutdown/reboot. After spending some time thinking about the problem, looking at the init script and googling, I stumbled upon this Ubuntu bug on portmap.

As noted in the bug, a pmap_dump would hang indefinitely. After taking another look at our nfs-root configuration (in regard to the first comment on the bug), it turns out it’s exactly that. We didn’t setup lo which seems vital for some things.

rpc-statd starting before portmap

Tue, 04 Aug 2009 14:51:49 +0000

One problem gone, another one turns up. When rpc.statd (nfs-common) tries to start before portmap, it’s gonna result in failure. Now, the logfile (/var/log/daemon.log) is gonna print a rather cryptic error message:

1
2


Aug  4 15:54:25 xen2 rpc.statd[3419]: Version 1.1.2 Starting
Aug  4 15:54:25 xen2 rpc.statd[3419]: unable to register (statd, 1, udp).

After fixing the start order (I really hate SUSE/Debian* for not having init-script dependencies – like Gentoo’s baselayout/Roy’s openrc does have), everything is like it should be and I’m able to put the /srv/xen mount into the fstab …

Portmap on BAFM

portmap hanging on shutdown

rpc-statd starting before portmap