I have upgraded to latest 4.0 kernel - rc7. The issues seems not to be resolved. Previously i have used 3.18 and 3.19 kernels and they also had the same issue.
System info: Linux ajith-X553MA 4.0.0-040000rc7-generic #201504061936 SMP Mon Apr 6 23:58:59 UTC 2015 i686 i686 i686 GNU/Linux ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1448711 Title: USB 3.0 feature not working on Asus X553MA, Working in USB 2.0 mode only To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1448711/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs