Index: os-prober/common.sh

===================================================================

--- os-prober.orig/common.sh

+++ os-prober/common.sh

@@ -336,3 +336,13 @@ linux_mount_boot () {

 	mountboot="$bootpart $mounted"

 }

+

+umount_exec=$(which umount)

+umount() {

+	if ! $umount_exec $@ 2> /dev/null; then

+		error "umount error, retrying after 1 sec"

+		sleep 1

+		$umount_exec $@

+	fi

+}

+