nfs lockd errors after NetApp software upgrade.

[Daniel Braniss]

Hi,
The server with the problems is running FreeBSD 11.1 stable, it was working fine for several months,
but after a software upgrade of our NetAPP server it’s reporting many lockd errors and becomes catatonic,
...
Dec 18 13:11:02 moo-09 kernel: nfs server fr-06:/web/www: lockd not responding
Dec 18 13:11:45 moo-09 last message repeated 7 times
Dec 18 13:12:55 moo-09 last message repeated 8 times
Dec 18 13:13:10 moo-09 kernel: nfs server fr-06:/web/www: lockd is alive again
Dec 18 13:13:10 moo-09 last message repeated 8 times
Dec 18 13:13:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 194 already in queue awaiting acceptance (1 occurrences)
Dec 18 13:14:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 193 already in queue awaiting acceptance (3957 occurrences)
Dec 18 13:15:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 193 already in queue awaiting acceptance (3404 occurrences)
Dec 18 13:16:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 196 already in queue awaiting acceptance (3553 occurrences)
Dec 18 13:17:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 194 already in queue awaiting acceptance (3661 occurrences)
Dec 18 13:18:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 197 already in queue awaiting acceptance (4030 occurrences)
Dec 18 13:19:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 193 already in queue awaiting acceptance (2560 occurrences)
Dec 18 13:20:29 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 193 already in queue awaiting acceptance (1495 occurrences)
Dec 18 13:21:32 moo-09 kernel: sonewconn: pcb 0xfffff8004cc051d0: Listen queue overflow: 193 already in queue awaiting acceptance (817 occurrences)
Dec 18 14:54:43 moo-09 kernel: nfs server fr-06:/mdlbck: lockd not responding
Dec 18 14:55:19 moo-09 last message repeated 2 times
Dec 18 14:55:34 moo-09 kernel: nfs server fr-06:/mdlbck: lockd is alive again
…
any ideas?

thanks,
	danny