support for latest snapshot FreeBSD 13.0

Unix/pack_unix.sh

@@ -4,7 +4,9 @@ VENTOY_PATH=$PWD/../
 
 rm -f ventoy_unix.cpio
 
+mv ./ventoy_unix/DragonFly ./ 
 find ./ventoy_unix | cpio  -o -H newc>ventoy_unix.cpio
+mv ./DragonFly ./ventoy_unix/
 
 echo '======== SUCCESS ============='
 

Unix/ventoy_unix_src/DragonFly/oinit.c

@@ -157,20 +157,31 @@ static void ventoy_init(char **argv_orig)
     vdebug("[VTOY] step 7: switch root ...\n");
 	error = chdir("/new_root");
 	if (error)
+	{
+	    printf("[VTOY] chdir /new_root failed %d\n", error);
 	    goto chroot_failed;
+    }
 
 	error = chroot_kernel("/new_root");
 	if (error)
+	{
+	    printf("[VTOY] chroot_kernel /new_root failed %d\n", error);
 	    goto chroot_failed;
+    }
 
 	error = chroot("/new_root");
 	if (error)
+    {
+        printf("[VTOY] chroot /new_root failed %d\n", error);
         goto chroot_failed;
+    }
 
+    vdebug("[VTOY] step 8: now run /sbin/init ...\n");
 	execv("/sbin/init", __DECONST(char **, argv_orig));
 
 	/* We failed to exec /sbin/init in the chroot, sleep forever */
 chroot_failed:
+    printf("[VTOY] ################### DEAD ################\n");
 	while(1) {
 		sleep(3);
 	};

Unix/ventoy_unix_src/DragonFly/walk_disk.c

@@ -174,8 +174,12 @@ int prepare_dmtable(void)
     
     vdebug("[VTOY] disksize:%lu part1size:%lu chunkcount:%u\n", desc.disk_size, desc.part1_size, desc.img_chunk_count);
     
+    for (i = 0; count <= 0 && i < 10; i++)
+    {
+        sleep(2);
         find_disk_by_size(desc.part1_size, NULL, &count, disk);
-    vdebug("[VTOY] find disk by part1 size: %d %s\n", count, disk);
+        vdebug("[VTOY] find disk by part1 size, i=%d, count=%d, %s\n", i, count, disk);
+    }
 
     if (count == 0)
     {