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RUMP.HALT(1)		  BSD General Commands Manual		  RUMP.HALT(1)

NAME
     rump.halt — halt a rump kernel

SYNOPSIS
     rump.halt [-dhn]

DESCRIPTION
     The rump.halt utility exits a rump kernel.	 The file system cache, if
     present, is flushed.  Since a rump kernel does not control its clients,
     they are not directly affected by rump.halt.  However, they will be
     unable to request further services from the halted rump kernel.

     The options are as follows:

     -d	     Create a core dump.  The core file is saved according to standard
	     userland program coredump rules, and can be later examined with a
	     debugger.

     -h	     By default the process hosting the rump kernel exits.  Using this
	     option shuts down rump kernel activity, but does not cause the
	     hosting process to exit.

     -n	     Do not flush the file system cache.  This option should be used
	     with extreme caution.  It can be used if a virtual disk or a vir‐
	     tual processor is virtually on fire.

SEE ALSO
     rump(3)

HISTORY
     The rump.halt command appeared in NetBSD 6.0.

CAVEATS
     While using -h makes it impossible to issue further system calls, it does
     not necessarily stop all activity in a rump kernel.  It is recommended
     this option is used only for debugging purposes.

BSD			       December 12, 2010			   BSD

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