From 0e57141bb57ea72806a7c326828b6cc20e3a78eb Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Wed, 17 Mar 2010 14:55:28 +0000
Subject: [PATCH] testsuite: get stacktrace if test drops core

Requires lvm be built with debugging (-g).
Also requires 'ulimit -c' be non-zero (to drop core file).
---
 WHATS_NEW          |  1 +
 test/test-utils.sh | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/WHATS_NEW b/WHATS_NEW
index 23a369b1a..3481e2c35 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.63 - 
 ================================
+  Get stacktrace if testsuite test drops core and lvm was built with debugging.
   Disable long living process flag in lvm2app.
   Fix pvcreate device md filter check.
   Suppress repeated errors about the same missing PV uuids.
diff --git a/test/test-utils.sh b/test/test-utils.sh
index 6606c56ff..46155dc57 100644
--- a/test/test-utils.sh
+++ b/test/test-utils.sh
@@ -24,6 +24,21 @@ STACKTRACE() {
 		echo "$i ${FUNC}() called from ${BASH_SOURCE[$i]}:${BASH_LINENO[$i]}"
 		i=$(($i + 1));
 	done
+
+	# Attempt to get a stacktrace if a core file exists
+	# and the lvm binary was built with debugging
+	TEST_LVM_BINARY=$(dirname $(which lvm))/../../tools/lvm
+	TEST_LVM_CORE=`ls core* | head -1`
+	GDB_BINARY=`which gdb`
+	READELF_BINARY=`which readelf`
+	if [ -n "$TEST_LVM_CORE" -a -n "$GDB_BINARY" -a -n "$READELF_BINARY" ]; then
+		if $READELF_BINARY -S $TEST_LVM_BINARY 2>&1 | grep -q .debug_info; then
+			echo bt full > gdb_commands.txt
+			echo l >> gdb_commands.txt
+			echo quit >> gdb_commands.txt
+			$GDB_BINARY -batch -c $TEST_LVM_CORE -x gdb_commands.txt $TEST_LVM_BINARY
+		fi
+	fi
 }
 
 init_udev_transaction() {
-- 
2.43.5