NFS + update-menus will cause problems?

[leoboiko@linuxbr.com.br]

Our application server is running sid (ok, I know this is risky).
Some weeks ago  we changed the root filesystem to a NFS partition. Now
the menu utilities aren't working. I tried to reinstall the menu
package; the script hangs in update-menus. These are the last strace
lines: 
    
    stat64("/var/lib/dpkg/info/menu.postinst", {st_mode=S_IFREG|0755,
    st_size=677, ...}) = 0
    fork()                                  = 4673
    rt_sigaction(SIGQUIT, {SIG_IGN}, {SIG_DFL}, 8) = 0
    rt_sigaction(SIGINT, {SIG_IGN}, {SIG_DFL}, 8) = 0
    wait4(4673, open("/var/lib/dpkg/lock", O_RDWR|O_CREAT|O_TRUNC, 0660) = 3
    fcntl64(3, F_SETLK, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0
    fcntl64(3, F_SETLK, {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0
    close(3)                                = 0
    getuid32()                              = 0
    open("/var/run/update-menus.pid", O_WRONLY|O_CREAT, 0644) = 3
    flock(3, LOCK_EX|LOCK_NB)               = 0
    --- SIGSEGV (Segmentation fault) ---
    +++ killed by SIGSEGV +++

And the script keep waiting... the file "/var/run/update-menus.pid"
is created without any problems. The manpage for  flock(2) says it 
doesn't work over NFS, maybe there is a relation?
Running "gdb /usr/bin/update-menus", I get:

    (gdb) break flock
    Breakpoint 1 at 0x804a58c
    (gdb) r
    Starting program: /usr/bin/update-menus 
    (no debugging symbols found)...(no debugging symbols found)...(no
    debugging symbols found)...Breakpoint 1 at 0x401475c0
    (no debugging symbols found)...
    Breakpoint 1, 0x401475c0 in flock () from /lib/libc.so.6
    (gdb) n
    Single stepping until exit from function flock, 
    which has no line number information.
    0x08068ad3 in strcpy ()
    (gdb) n
    Single stepping until exit from function strcpy, 
    which has no line number information.
    
    Program received signal SIGSEGV, Segmentation fault.
    0x4004101a in ostream::operator<< () from
    /usr/lib/libstdc++-libc6.2-2.so.3

Can anyone help? I'm lost...
Note: Please CC me.
-- 
Leonardo Boiko
 "It is my firm believe that it is a mistake to hold firm beliefs"


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