commit 1cebd0baa3450d5c1c745874836555df6432e04e
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Dec 4 11:24:34 2022 +0100

    mach-defpager: assert_backtrace() on panic
    
    instead of just exiting: better print a backtrace so we get to know what
    happened.

diff --git a/mach-defpager/main.c b/mach-defpager/main.c
index 69f83a58..e733318c 100644
--- a/mach-defpager/main.c
+++ b/mach-defpager/main.c
@@ -43,6 +43,7 @@
 #include <hurd/port.h>
 #include <hurd/fd.h>
 #include <hurd/paths.h>
+#include <assert-backtrace.h>
 /* XXX */
 
 #include "default_pager.h"
@@ -197,5 +198,5 @@ panic (const char *fmt, ...)
   va_start (ap, fmt);
   vfprintf (stderr, fmt, ap);
   va_end (ap);
-  exit (3);
+  assert_backtrace (0);
 }
