diff --git a/lnet/libcfs/debug.c b/lnet/libcfs/debug.c
index 40d7031dcf9b4166631ede0d6d63d8d07fed912f..d85adb64d82b06e6e01609d18ccb1e3a5d605867 100644
--- a/lnet/libcfs/debug.c
+++ b/lnet/libcfs/debug.c
@@ -953,7 +953,7 @@ extern int is_kernel_text_address(unsigned long addr);
 
 char *portals_debug_dumpstack(void)
 {
-        panic("LBUG");
+        asm("int $3");
 }
 
 #elif defined(__i386__)
diff --git a/lustre/portals/libcfs/debug.c b/lustre/portals/libcfs/debug.c
index 40d7031dcf9b4166631ede0d6d63d8d07fed912f..d85adb64d82b06e6e01609d18ccb1e3a5d605867 100644
--- a/lustre/portals/libcfs/debug.c
+++ b/lustre/portals/libcfs/debug.c
@@ -953,7 +953,7 @@ extern int is_kernel_text_address(unsigned long addr);
 
 char *portals_debug_dumpstack(void)
 {
-        panic("LBUG");
+        asm("int $3");
 }
 
 #elif defined(__i386__)