fsflush isn't a real process.  it's actually a bunch of kernel threads
that look like a processes so it can't be grabbed / stopped.

ed

On Wed, Jan 21, 2009 at 07:48:21PM +0000, River Tarnell wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> hi,
>
> i'm trying to use the nfsv3 provider on S10U6, with the following simple
> script:
>
>       #! /usr/sbin/dtrace -s
>       #pragma D option quiet
>       nfsv3:::op-read-start {
>               printf("%s\n", args[1]->noi_curpath);
>       }
>
> however, when running it, i get the following error:
>
>       dtrace: failed to compile script ./nfs2.d: line 5: failed to grab 
> process 3
>
> pid 3 is fsflush:
>
>        UID   PID  PPID   C    STIME TTY         TIME CMD
>       root     3     0   1   Nov 13 ?        1663:31 fsflush
>
> what am i doing wrong?
>
> thanks,
> river.
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> =Jmcf
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