diff --git a/sys/compat/freebsd32/freebsd32_sysent.c b/sys/compat/freebsd32/freebsd32_sysent.c
index 0394db9000b0..3e29d5c3b565 100644
--- a/sys/compat/freebsd32/freebsd32_sysent.c
+++ b/sys/compat/freebsd32/freebsd32_sysent.c
@@ -73,7 +73,7 @@ struct sysent freebsd32_sysent[] = {
 	{ compat11(AS(freebsd11_freebsd32_mknod_args),freebsd32_mknod), AUE_MKNOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 14 = freebsd11 freebsd32_mknod */
 	{ AS(chmod_args), (sy_call_t *)sys_chmod, AUE_CHMOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 15 = chmod */
 	{ AS(chown_args), (sy_call_t *)sys_chown, AUE_CHOWN, NULL, 0, 0, 0, SY_THR_STATIC },	/* 16 = chown */
-	{ AS(obreak_args), (sy_call_t *)sys_obreak, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 17 = break */
+	{ AS(break_args), (sy_call_t *)sys_break, AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 17 = break */
 	{ compat4(AS(freebsd4_freebsd32_getfsstat_args),freebsd32_getfsstat), AUE_GETFSSTAT, NULL, 0, 0, 0, SY_THR_STATIC },	/* 18 = freebsd4 freebsd32_getfsstat */
 	{ compat(AS(ofreebsd32_lseek_args),freebsd32_lseek), AUE_LSEEK, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 19 = old freebsd32_lseek */
 	{ 0, (sy_call_t *)sys_getpid, AUE_GETPID, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 20 = getpid */
diff --git a/sys/compat/freebsd32/freebsd32_systrace_args.c b/sys/compat/freebsd32/freebsd32_systrace_args.c
index 2bf319433b78..ee4c5c55122a 100644
--- a/sys/compat/freebsd32/freebsd32_systrace_args.c
+++ b/sys/compat/freebsd32/freebsd32_systrace_args.c
@@ -121,9 +121,9 @@ systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)
 		*n_args = 3;
 		break;
 	}
-	/* obreak */
+	/* break */
 	case 17: {
-		struct obreak_args *p = params;
+		struct break_args *p = params;
 		uarg[0] = (intptr_t) p->nsize; /* char * */
 		*n_args = 1;
 		break;
@@ -3454,7 +3454,7 @@ systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 			break;
 		};
 		break;
-	/* obreak */
+	/* break */
 	case 17:
 		switch(ndx) {
 		case 0:
@@ -8886,7 +8886,7 @@ systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 		if (ndx == 0 || ndx == 1)
 			p = "int";
 		break;
-	/* obreak */
+	/* break */
 	case 17:
 		if (ndx == 0 || ndx == 1)
 			p = "caddr_t";
diff --git a/sys/i386/ibcs2/ibcs2_proto.h b/sys/i386/ibcs2/ibcs2_proto.h
index 20541616d44a..837cd41a10d8 100644
--- a/sys/i386/ibcs2/ibcs2_proto.h
+++ b/sys/i386/ibcs2/ibcs2_proto.h
@@ -11,6 +11,7 @@
 #include <sys/signal.h>
 #include <sys/acl.h>
 #include <sys/cpuset.h>
+#include <sys/domainset.h>
 #include <sys/_ffcounter.h>
 #include <sys/_semaphore.h>
 #include <sys/ucontext.h>
@@ -358,6 +359,12 @@ int	ibcs2_isc(struct thread *, struct ibcs2_isc_args *);
 
 #endif /* COMPAT_FREEBSD10 */
 
+
+#ifdef COMPAT_FREEBSD11
+
+
+#endif /* COMPAT_FREEBSD11 */
+
 #define	IBCS2_SYS_AUE_ibcs2_read	AUE_NULL
 #define	IBCS2_SYS_AUE_ibcs2_open	AUE_OPEN_RWTC
 #define	IBCS2_SYS_AUE_ibcs2_wait	AUE_WAIT4
diff --git a/sys/i386/ibcs2/ibcs2_syscall.h b/sys/i386/ibcs2/ibcs2_syscall.h
index d7f0113ca968..c8455e496943 100644
--- a/sys/i386/ibcs2/ibcs2_syscall.h
+++ b/sys/i386/ibcs2/ibcs2_syscall.h
@@ -22,7 +22,7 @@
 #define	IBCS2_SYS_ibcs2_mknod	14
 #define	IBCS2_SYS_ibcs2_chmod	15
 #define	IBCS2_SYS_ibcs2_chown	16
-#define	IBCS2_SYS_obreak	17
+#define	IBCS2_SYS_break	17
 #define	IBCS2_SYS_ibcs2_stat	18
 #define	IBCS2_SYS_ibcs2_lseek	19
 #define	IBCS2_SYS_getpid	20
diff --git a/sys/i386/ibcs2/ibcs2_sysent.c b/sys/i386/ibcs2/ibcs2_sysent.c
index a5719f7a475f..0ac11ee8ab42 100644
--- a/sys/i386/ibcs2/ibcs2_sysent.c
+++ b/sys/i386/ibcs2/ibcs2_sysent.c
@@ -33,7 +33,7 @@ struct sysent ibcs2_sysent[] = {
 	{ AS(ibcs2_mknod_args), (sy_call_t *)ibcs2_mknod, AUE_MKNOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 14 = ibcs2_mknod */
 	{ AS(ibcs2_chmod_args), (sy_call_t *)ibcs2_chmod, AUE_CHMOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 15 = ibcs2_chmod */
 	{ AS(ibcs2_chown_args), (sy_call_t *)ibcs2_chown, AUE_CHOWN, NULL, 0, 0, 0, SY_THR_STATIC },	/* 16 = ibcs2_chown */
-	{ AS(obreak_args), (sy_call_t *)sys_obreak, AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 17 = obreak */
+	{ AS(break_args), (sy_call_t *)sys_break, AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 17 = break */
 	{ AS(ibcs2_stat_args), (sy_call_t *)ibcs2_stat, AUE_STAT, NULL, 0, 0, 0, SY_THR_STATIC },	/* 18 = ibcs2_stat */
 	{ AS(ibcs2_lseek_args), (sy_call_t *)ibcs2_lseek, AUE_LSEEK, NULL, 0, 0, 0, SY_THR_STATIC },	/* 19 = ibcs2_lseek */
 	{ 0, (sy_call_t *)sys_getpid, AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 20 = getpid */
diff --git a/sys/kern/init_sysent.c b/sys/kern/init_sysent.c
index 6c20fe9b2658..849882216657 100644
--- a/sys/kern/init_sysent.c
+++ b/sys/kern/init_sysent.c
@@ -66,7 +66,7 @@ struct sysent sysent[] = {
 	{ compat11(AS(freebsd11_mknod_args),mknod), AUE_MKNOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 14 = freebsd11 mknod */
 	{ AS(chmod_args), (sy_call_t *)sys_chmod, AUE_CHMOD, NULL, 0, 0, 0, SY_THR_STATIC },	/* 15 = chmod */
 	{ AS(chown_args), (sy_call_t *)sys_chown, AUE_CHOWN, NULL, 0, 0, 0, SY_THR_STATIC },	/* 16 = chown */
-	{ AS(obreak_args), (sy_call_t *)sys_obreak, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 17 = break */
+	{ AS(break_args), (sy_call_t *)sys_break, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 17 = break */
 	{ compat4(AS(freebsd4_getfsstat_args),getfsstat), AUE_GETFSSTAT, NULL, 0, 0, 0, SY_THR_STATIC },	/* 18 = freebsd4 getfsstat */
 	{ compat(AS(olseek_args),lseek), AUE_LSEEK, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 19 = old lseek */
 	{ 0, (sy_call_t *)sys_getpid, AUE_GETPID, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 20 = getpid */
diff --git a/sys/kern/systrace_args.c b/sys/kern/systrace_args.c
index daf09b133f9b..ad00bd935cbc 100644
--- a/sys/kern/systrace_args.c
+++ b/sys/kern/systrace_args.c
@@ -118,9 +118,9 @@ systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)
 		*n_args = 3;
 		break;
 	}
-	/* obreak */
+	/* break */
 	case 17: {
-		struct obreak_args *p = params;
+		struct break_args *p = params;
 		uarg[0] = (intptr_t) p->nsize; /* char * */
 		*n_args = 1;
 		break;
@@ -3459,7 +3459,7 @@ systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 			break;
 		};
 		break;
-	/* obreak */
+	/* break */
 	case 17:
 		switch(ndx) {
 		case 0:
@@ -8835,7 +8835,7 @@ systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 		if (ndx == 0 || ndx == 1)
 			p = "int";
 		break;
-	/* obreak */
+	/* break */
 	case 17:
 		if (ndx == 0 || ndx == 1)
 			p = "caddr_t";
diff --git a/sys/sys/sysproto.h b/sys/sys/sysproto.h
index a6322e8b8d00..aad36e9b27f6 100644
--- a/sys/sys/sysproto.h
+++ b/sys/sys/sysproto.h
@@ -89,7 +89,7 @@ struct chown_args {
 	char uid_l_[PADL_(int)]; int uid; char uid_r_[PADR_(int)];
 	char gid_l_[PADL_(int)]; int gid; char gid_r_[PADR_(int)];
 };
-struct obreak_args {
+struct break_args {
 	char nsize_l_[PADL_(char *)]; char * nsize; char nsize_r_[PADR_(char *)];
 };
 struct getpid_args {
@@ -1784,7 +1784,7 @@ int	sys_chdir(struct thread *, struct chdir_args *);
 int	sys_fchdir(struct thread *, struct fchdir_args *);
 int	sys_chmod(struct thread *, struct chmod_args *);
 int	sys_chown(struct thread *, struct chown_args *);
-int	sys_obreak(struct thread *, struct obreak_args *);
+int	sys_break(struct thread *, struct break_args *);
 int	sys_getpid(struct thread *, struct getpid_args *);
 int	sys_mount(struct thread *, struct mount_args *);
 int	sys_unmount(struct thread *, struct unmount_args *);