Index: os-prober/common.sh
===================================================================
--- os-prober.orig/common.sh
+++ os-prober/common.sh
@@ -336,3 +336,12 @@ linux_mount_boot () {
mountboot="$bootpart $mounted"
}
+
+umount() {
+ if ! command umount $@ 2> /dev/null; then
+ error "umount error, retrying after 1 sec"
+ sleep 1
+ command umount $@
+ fi
+}
+