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NetBSD 6.1.5 - man page for rump.halt (netbsd section 1)

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 cau-
	     tion.  It can be used if a virtual disk or a virtual 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 debug-
     ging purposes.

BSD					December 12, 2010				      BSD


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