"halt" means just that, and we want to "poweroff". Linux doesn't care, but Solaris differentiates between the two. Signed-off-by: John Levon <john.levon(a)sun.com&gt; Index: src/xend_internal.c =================================================================== RCS file: /data/cvs/libvirt/src/xend_internal.c,v retrieving revision 1.211 diff -u -r1.211 xend_internal.c --- src/xend_internal.c 28 Aug 2008 11:59:07 -0000 1.211 +++ src/xend_internal.c 28 Aug 2008 14:04:21 -0000 @@ -2884,7 +2884,7 @@ } if (domain->id < 0) return(-1); - return xend_op(domain->conn, domain->name, "op", "shutdown", "reason", "halt", NULL); + return xend_op(domain->conn, domain->name, "op", "shutdown", "reason", "poweroff", NULL); } /** Index: src/xs_internal.c =================================================================== RCS file: /data/cvs/libvirt/src/xs_internal.c,v retrieving revision 1.68 diff -u -r1.68 xs_internal.c --- src/xs_internal.c 20 Aug 2008 20:48:36 -0000 1.68 +++ src/xs_internal.c 28 Aug 2008 14:04:22 -0000 @@ -654,7 +654,7 @@ * this is very hackish, the domU kernel probes for a special * node in the xenstore and launch the shutdown command if found. */ - return(virDomainDoStoreWrite(domain, "control/shutdown", "halt")); + return(virDomainDoStoreWrite(domain, "control/shutdown", "poweroff")); } /**