rpc.lockd infinite loop with Thunar (Xfce)

Sun Apr 15 16:50:16 UTC 2007

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Hi,

My /home partition is an nfs export on a server (clk01) and my
computer (clk02) mounts it at boot so all my users have centralized
"homes". Everything works as expected there. I have enabled rpc.lockd
and rpc.statd in my /etc/rc.conf because eclipse and
openoffice.org-2.2.0 require "true" file locking. When enable, the
said applications also work as expected.

Having outgrown KDE and gnome and installed Xfce-4.4.1 as my DE, I was
happy until I found out that when rpc.lockd is enabled, Thunar (the
file manager) will freeze as rpc.lockd is sent into a seemingly
infinite loop. Though a kill on rpc.lockd will work, it will break
anything that requires locking and turn Thunar into an unkillable
(STOP) state, requiring a reboot.

Here's what I get in my debug.log when both deamons are started with
"-d 2" flags:
Apr 15 11:08:21 clk02 rpc.statd: unmon_all for host: NFS NLM prog: 0
ver: 0 proc: 0
Apr 15 11:10:40 clk02 rpc.lockd: lock request: V4: write to 192.168.1.10
Apr 15 11:10:40 clk02 rpc.lockd: nlm4_lock_res from clk01.clkroot.net
Apr 15 11:10:40 clk02 rpc.lockd: lock answer: pid 883: nlmv4 3
Apr 15 11:11:00 clk02 rpc.lockd: lock request: V4: write to 192.168.1.10
Apr 15 11:11:00 clk02 rpc.lockd: nlm4_lock_res from clk01.clkroot.net
Apr 15 11:11:00 clk02 rpc.lockd: lock answer: pid 883: nlmv4 3
Apr 15 11:11:20 clk02 rpc.lockd: lock request: V4: write to 192.168.1.10
Apr 15 11:11:20 clk02 rpc.lockd: nlm4_lock_res from clk01.clkroot.net
Apr 15 11:11:20 clk02 rpc.lockd: lock answer: pid 883: nlmv4 3
Apr 15 11:11:40 clk02 rpc.lockd: lock request: V4: write to 192.168.1.10
Apr 15 11:11:40 clk02 rpc.lockd: nlm4_lock_res from clk01.clkroot.net
Apr 15 11:11:40 clk02 rpc.lockd: lock answer: pid 883: nlmv4 3
Apr 15 11:12:00 clk02 rpc.lockd: lock request: V4: write to 192.168.1.10
Apr 15 11:12:00 clk02 rpc.lockd: nlm4_lock_res from clk01.clkroot.net
Apr 15 11:12:00 clk02 rpc.lockd: lock answer: pid 883: nlmv4 3

And it will go on forever until a reboot or a kill on both deamons.
Note that this behavior is only initiated when starting Thunar.

Any guidance appreciated.

Nicolas.

- --
FreeBSD 7.0-CURRENT #0: Sat Apr  7 15:01:30 EDT 2007    
nicblais at clk01.clkroot.net:/usr/obj/usr/src/sys/CLK01
PGP? : http://plaintext.clkroot.net/security/nicblais.asc
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