From f9ac70702ff72d1ee5df5686cca48ce7e51a4293 Mon Sep 17 00:00:00 2001
From: Xin LI <delphij@FreeBSD.org>
Date: Mon, 6 Oct 2014 06:00:50 +0000
Subject: [PATCH] 5178 zdb -vvvvv on old-format pool fails in dump_deadlist()
 Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by:
 George Wilson <george.wilson@delphix.com> Reviewed by: Richard Lowe
 <richlowe@richlowe.net> Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
 Reviewed by: Richard Elling <richard.elling@gmail.com> Reviewed by: Alek
 Pinchuk <alek.pinchuk@nexenta.com> Approved by: Garrett D'Amore
 <garrett@damore.org> Author: Matthew Ahrens <mahrens@delphix.com>

illumos/illumos-gate@90c76c66a2e21307c5370ae1bd3c7145a60c874f
---
 cmd/zdb/zdb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index c886a9dc7298..616c0b80195c 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -1434,6 +1434,11 @@ dump_deadlist(dsl_deadlist_t *dl)
 	if (dump_opt['d'] < 3)
 		return;
 
+	if (dl->dl_oldfmt) {
+		dump_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
+		return;
+	}
+
 	zdb_nicenum(dl->dl_phys->dl_used, bytes);
 	zdb_nicenum(dl->dl_phys->dl_comp, comp);
 	zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);