What is menu-cache doing with pcmanfm socket?

At the moment, pcmanfm will not start; it hangs forever trying to connect to an old socket in /tmp.  That socket is apparently being kept open by a process named menu-cached, which I had never heard of till today.  So I am curious, does anyone know why that process should be connecting to pcmanfm's socket?  Should I file a bug?
$ ls -l /tmp/.pcman*
srwxr-xr-x 1 john users 0 May  6 11:54 /tmp/.pcmanfm-socket:0.0-john
$ lsof | grep pcman
menu-cach 5613      john    6u     unix 0xffff880127c3d040      0t0   279405 /tmp/.pcmanfm-socket
$ ls -l /proc/5613/exe
lrwxrwxrwx 1 john users 0 May  6 12:14 /proc/5613/exe -> /usr/lib/menu-cache/menu-cached
$ pacman -Qo /usr/lib/menu-cache/menu-cached
/usr/lib/menu-cache/menu-cached is owned by menu-cache 0.3.2-1

Also curious is that after I try to kill menu-cached (with kill 5613) it does not exit but shows status "t" in top (which is not documented in the manual page).
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5613 john 20 0 31816 1916 1440 t 0.0 0.0 0:00.00 menu-cached
gdb gives:
Attaching to process 5613
ptrace: Operation not permitted.
Last edited by jlindgren (2011-05-06 16:33:45)

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