cat /proc/fs/nfs/exports hangs

[Richard Ems <r.ems@gmx.net>]

Hi all!

This is a dual Athlon system with SuSE 8.2.
Kernel is SuSE's k_smp-2.4.21-4.

After 32 days of uptime nfs exports stopped working.
While trying to restart the nfs server them I found that running 
"rcnfsserver restart" hangs on exportfs (process ind D state)

Also a simple "cat /proc/fs/nfs/exports" hangs (process in D state).

The last lines from "strace cat /proc/fs/nfs/exports" show:

munmap(0x40016000, 59621)               = 0
open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=32058672, ...}) = 0
mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40158000
close(3)                                = 0
brk(0)                                  = 0x804c68c
brk(0x804d68c)                          = 0x804d68c
brk(0)                                  = 0x804d68c
brk(0x804e000)                          = 0x804e000
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), ...}) = 0
open("/proc/fs/nfs/exports", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
read(3,  <unfinished ...>

Here the process hangs.

What's happening? The nfs server was running for 32 days and suddenly this!

Thanks, Richard


-- 
    Richard Ems
    ... e-mail: r.ems@gmx.net
    ... Computer Science, University of Hamburg

    "Do or do not. There is no try" - Yoda
    Yoda never programmed in Java.



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