Comment # 8 on bug 42960 from leon_ti@mail.ru

I can confirm similar behaviour for A6 "ARUBA" APU without any discrete GPU, at
Samsubg NP535U3C laptop.
leon_ti@leonid-samsung:~$ uname -a
Linux leonid-samsung 3.12.0-031200-generic #201311031935 SMP Mon Nov 4 00:36:54
UTC 2013 x86_64 x86_64 x86_64 GNU/Linux