(In reply to Eugene from comment #26)
> Linux 3.19RC1. Nothing's changed.

You don't need to test every new kernel version. I'm going to leave a note here
if I find time to work on this issue.

On the other hand if you want to get your hands dirty and try a fe things than
I can give you dirrections on what could it be (but you need to get into the
code yourself).