Comment 1 for bug 1279809

As I mean it's about backport to 4.0 amount of fixes:
bug/1277147
bug/1277112

Also I think we should backport some fixes, because they for some spontanous issues:

the result is a must backport following patches in this order:

#1275132 c82d4edd66701
#1271274 244acdaab1050
#1277112 078efe67207a4
#1275132 7776ffe6fd94b6
#1277147 0ba23e1a6a1a8c, 5fd706f58ab120b32
#1274789 b8105f58bcb28
#1278718 48e8c25aa484e