Updated: 2021/Apr/14

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

     rump.halt - halt a rump kernel

     rump.halt [-dhn]

     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

     -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
             virtual processor is virtually on fire.


     The rump.halt command appeared in NetBSD 6.0.

     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.

NetBSD 9.99                    December 12, 2010                   NetBSD 9.99