07-14-2011
D means device driver. The process is suspended while it waits for a system call of some sort to finish, often a read() or write(). It's unkillable in this state.
lockd is part of the kernel, not truly a process. I think it's part of the kernel system that handles nfs. The message about lockd you see is related to NFS problems.
Maybe this will help you:
Debian User Forums • View topic - kernel: lockd: cannot monitor
Anyway, NFS is a very elderly protocol by now and has a few unsolvable flaws, you might consider alternatives like CIFS.
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LEARN ABOUT OPENSOLARIS
clear_locks
clear_locks(1M) System Administration Commands clear_locks(1M)
NAME
clear_locks - clear locks held on behalf of an NFS client
SYNOPSIS
/usr/sbin/clear_locks [-s] hostname
DESCRIPTION
The clear_locks command removes all file, record, and share locks created by the hostname and held on the current host, regardless of which
process created or owns the locks.
This command can be run only by the super-user.
This command should only be used to repair the rare case of a client crashing and failing to clear held locks. Clearing locks held by an
active client may cause applications to fail in an unexpected manner.
OPTIONS
-s Remove all locks created by the current machine and held by the server hostname.
OPERANDS
The following operands are supported:
hostname name of host server
EXIT STATUS
0 Successful operation.
1 If not root.
2 Usage error.
3 If unable to contact server (RPC).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
fcntl(2), attributes(5)
SunOS 5.11 6 Oct 2004 clear_locks(1M)