diff --git a/servers/inet/Makefile b/servers/inet/Makefile
index 2a8c65c66..632387b23 100644
--- a/servers/inet/Makefile
+++ b/servers/inet/Makefile
@@ -14,7 +14,7 @@ LIBS =           -lsys
 	$(CC) $(CFLAGS) -o $@ -c $<
 
 OBJ = 	buf.o clock.o inet.o inet_config.o \
-	mnx_eth.o mq.o qp.o sr.o stacktrace.o \
+	mnx_eth.o mq.o qp.o sr.o \
 	$g/udp.o $g/arp.o $g/eth.o $g/event.o \
 	$g/icmp.o $g/io.o $g/ip.o $g/ip_ioctl.o \
 	$g/ip_lib.o $g/ip_read.o $g/ip_write.o \
diff --git a/servers/inet/inet.c b/servers/inet/inet.c
index c7f5de955..cfc06aceb 100644
--- a/servers/inet/inet.c
+++ b/servers/inet/inet.c
@@ -87,6 +87,10 @@ int killer_inet= 0;
 extern int inet_buf_debug;
 #endif
 
+#if HZ_DYNAMIC
+u32_t system_hz;
+#endif
+
 _PROTOTYPE( void main, (void) );
 
 FORWARD _PROTOTYPE( void nw_conf, (void) );
@@ -110,6 +114,10 @@ PUBLIC void main()
 	printf("%s\n", version);
 #endif
 
+#if HZ_DYNAMIC
+	system_hz = sys_hz();
+#endif
+
 	/* Read configuration. */
 	nw_conf();
 
@@ -315,7 +323,7 @@ int line;
 PUBLIC void inet_panic()
 {
 	printf("\ninet stacktrace: ");
-	stacktrace();
+	util_stacktrace();
 #ifdef __minix_vmd
 	sys_abort(RBT_PANIC);
 #else /* Minix 3 */
diff --git a/servers/inet/inet.h b/servers/inet/inet.h
index 61a8f6c39..9dcdbd5ee 100644
--- a/servers/inet/inet.h
+++ b/servers/inet/inet.h
@@ -88,7 +88,7 @@ _PROTOTYPE( void inet_panic, (void) ) _NORETURN;
 		printf("warning at %s, %d: ", this_file, __LINE__), \
 		printf print_list, \
 		printf("\ninet stacktrace: "), \
-		stacktrace() \
+		util_stacktrace() \
 	)
 #else
 #define ip_warning(print_list)	((void) 0)
@@ -109,7 +109,11 @@ _PROTOTYPE( void inet_panic, (void) ) _NORETURN;
 extern int this_proc;
 extern char version[];
 
-void stacktrace ARGS(( void ));
+#ifndef HZ
+EXTERN u32_t system_hz;
+#define HZ system_hz
+#define HZ_DYNAMIC 1
+#endif
 
 #endif /* INET__INET_H */
 
diff --git a/servers/inet/stacktrace.c b/servers/inet/stacktrace.c
deleted file mode 100644
index d4e8adf68..000000000
--- a/servers/inet/stacktrace.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
-stacktrace.c
-
-Created:	Jan 19, 1993 by Philip Homburg
-
-Copyright 1995 Philip Homburg
-*/
-
-#include "inet.h"
-
-PUBLIC void stacktrace()
-{
-	typedef unsigned int reg_t;
-	reg_t bp, pc, hbp;
-	extern reg_t get_bp ARGS(( void ));
-
-	bp= get_bp();
-	while(bp)
-	{
-		pc= ((reg_t *)bp)[1];
-		hbp= ((reg_t *)bp)[0];
-		printf("0x%lx ", (unsigned long)pc);
-		if (hbp != 0 && hbp <= bp)
-		{
-			printf("???");
-			break;
-		}
-		bp= hbp;
-	}
-	printf("\n");
-}
-
-/*
- * $PchId: stacktrace.c,v 1.6 1996/05/07 21:11:34 philip Exp $
- */