same problem if I use xubuntu 13.10 with 3.12.7-031207-generic #201401091657 SMP Thu Jan 9 21:59:37 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
same problem if I use xubuntu 13.10 with 031207- generic #201401091657 SMP Thu Jan 9 21:59:37 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
3.12.7-