Hi,
today something strange happened on a system running 2.4.6-pre1 from the
latest CVS tree together with kernel NFS V3 support and samba-2.2 with
windows 2000 clients. After I tried to move a directory under windows
2000 from one location to another within the same XFS partition the
windows 2000 client locked up. First I thought there might be a windows
problem - but it turned out that the corresponding smbd process on the
linux box got into the D state and this happened to all other processes
accessing the target directory (of the move).
After a while I had a couple of processes (like ls, bash, find ...) all
in the D state from the moment on when they tried to stat this
particular directory. There were no system messages describing a
possible reason for the lockup. After a reboot everything was fine
again.
In the meantime I configured samba not to use kernel OP locks and the
problem did not occur again. This could be a clue but I was not able to
do further testing since the system is used for production.
Kind regards
Deti
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