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NFS4 crash system - Sent bug report to which package

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Hey,

I try to mount directories exported with nfs4 on the same server.
Sometimes the mount process wait (hold), then a kernel message occur
(see above)  and the system crash. I don't know  to which package
this error is related to create a Bug-Report. (kernel-2.6-amd64,
nfs-kernel-server, nfs-common, ?)


Last things done before crash:

yakari:~# exportfs -ua     
yakari:~# exportfs -ofsid=0,no_subtree_check 192.168.0.0/24:/exports

yakari:~# exportfs -orw,no_subtree_check 192.168.0.0/24:/exports/students/
  duplicated export entries:
  exportfs:       192.168.0.0/24:/exports
  exportfs:       192.168.0.0/24:/exports

yakari:~# exportfs
 /exports/students
                    192.168.0.0/24
 /exports        192.168.0.0/24

yakari:~# mount -t nfs4 yakari:/students /mnt/testdrive/
mount.nfs4: Operation not permitted
yakari:~# mount -t nfs yakari:/students /mnt/testdrive/
mount.nfs: yakari:/students failed, reason given by server: Permission
denied
yakari:~# mount -t nfs yakari:/exports/students /mnt/testdrive/
mount.nfs: rpc.statd is not running but is required for remote locking.
   Either use '-o nolock' to keep locks local, or start statd.
yakari:~# mount -t nfs4 yakari:/exports/students /mnt/testdrive/
mount.nfs4: Operation not permitted
yakari:~# mount -t nfs4 yakari:/exports/students /mnt/testdrive/



Message from syslogd@yakari at Jul  9 10:37:29 ...
 kernel:[ 1608.777194] ------------[ cut here ]------------

Message from syslogd@yakari at Jul  9 10:37:29 ...
 kernel:[ 1608.777194] invalid opcode: 0000 [1] SMP

Message from syslogd@yakari at Jul  9 10:37:29 ...
 kernel:[ 1608.777194] Code: e5 75 1c 49 8b 6c 24 20 49 8d 44 24 20 41
c7 44 24 60 01 00 00 00 48 39 c5 0f 84 a4 00 00 00 8b 45 20 41 3b 87
18 01 00 00 72 24 <0f> 0b eb fe 41 8b 5d 00 8b 54 24 04 48 89 ee 4c 89
ff e8 74 f0
Read from remote host yakari: Operation timed out
Connection to yakari closed.

END

May it happens while I try to mount first as nfs and then try again nfs4.

Thanks for your advise

  Jochen
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