From 242790f64c8023a38d69545171e2f92d98935852 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@anarres>
Date: Wed, 4 Apr 2007 18:06:03 +0100
Subject: [PATCH] * Call dmsetup remove repeatedly instead of messing with
 udevsettle.   udevsettle doesn't always help with the dmsetup remove race.

---
 debian/changelog  | 7 +++++++
 xen/cleanup       | 2 +-
 xen/readconfig.in | 8 --------
 xen/with-testbed  | 9 +++++++--
 4 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/debian/changelog b/debian/changelog
index e1e82ba..c541b88 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+autopkgtest (0.8.1) feisty; urgency=low
+
+  * Call dmsetup remove repeatedly instead of messing with udevsettle.
+    udevsettle doesn't always help with the dmsetup remove race.
+
+ -- Ian Jackson <iwj@ubuntu.com>  Wed,  4 Apr 2007 18:04:38 +0100
+
 autopkgtest (0.8.0) feisty; urgency=low
 
   * adt-run: new --instantiate option to allow package installation to be
diff --git a/xen/cleanup b/xen/cleanup
index de08ded..5c1028c 100755
--- a/xen/cleanup
+++ b/xen/cleanup
@@ -8,7 +8,7 @@ mkdir -p $adt_play $snap
 try () { printf "%s\n" "- $*"; "$@" >/dev/null 2>&1 ||:; }
 
 n=0
-if xm destroy $adt_xmname 2>/dev/null; then do_udevsettle; fi
+try xm destroy $adt_xmname 2>/dev/null
 try umount $lvm_baselv_namepath
 try dmsetup remove $adt_devmapper_cowdev
 rm -f $lvm_fslink_ptr
diff --git a/xen/readconfig.in b/xen/readconfig.in
index ee10c20..b958293 100644
--- a/xen/readconfig.in
+++ b/xen/readconfig.in
@@ -13,14 +13,6 @@ fail () {
 
 x () { echo "x $*"; "$@"; }
 
-do_udevsettle () {
-	if type udevsettle >/dev/null 2>&1; then
-		udevsettle
-	elif test -x /sbin/udevsettle; then
-		udevsettle
-	fi
-}		
-		
 case "$BASH_VERSION" in
 '')	fail 'scripts using adtxenlvm readconfig must be bash scripts' ;;
 *)	;;
diff --git a/xen/with-testbed b/xen/with-testbed
index f000195..cd6b946 100755
--- a/xen/with-testbed
+++ b/xen/with-testbed
@@ -30,8 +30,13 @@ rc=$?
 set -e
 
 xm destroy $adt_xmname
-do_udevsettle
-dmsetup remove $adt_devmapper_cowdev
+sleep=0
+while true; do
+	if dmsetup remove $adt_devmapper_cowdev; then break; fi
+	if [ $sleep -gt 3 ]; then fail "dmsetup remove kept failing"; fi
+	sleep $sleep
+	sleep=$(( $sleep + 1 ))
+done
 
 trap '' 0
 exit $rc
-- 
2.30.2