Hi all, I found the problem why can not mine scrypt-jane.
The problem is the latest Catalyst 14.
Now I installed 13.12 and I have no problems, no hw errors, accepted shares.
I got about 7 MH/s (1030 mhz cpu core) and 8-8.5 MH/s (1180 mhz cpu core) on my R9 290X.
Now I'm go to mine THOR :p