Comment 7 for bug 210620

os-prober patch:

--- 50mounted-tests 2007-11-22 18:15:48.000000000 +0000
+++ /usr/lib/os-probes/50mounted-tests 2008-03-31 04:31:50.773366540 +0000
@@ -32,17 +32,24 @@
    if [ -f $test ] && [ -x $test ]; then
     if $test $partition $tmpmnt $type; then
      debug "os found by subtest $test"
- umount $tmpmnt
+ if ! umount $tmpmnt ; then # retry once
+ log "Bad umount after success"
+ sleep 5
+ umount $tmpmnt || true
+ fi
      rmdir $tmpmnt || true
      exit 0
     fi
    fi
   done
- umount $tmpmnt
+ if ! umount $tmpmnt ; then # retry failure to umount once more
+ log "Bad umount after failure finding partition type"
+ sleep 5
+ umount $tmpmnt || true
+ fi
   break
  fi
 done
-
 rmdir $tmpmnt || true

 # No tests found anything.