Hi, I have the same problem with my laptop (packard bell).
If you nend some file log i can send it to you. uname -a: Linux 3.13.0-53-generic #89-Ubuntu SMP Wed May 20 10:34:39 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux a part of my syslog: [drm:rv730_stop_dpm] *ERROR* Could not force DPM to low a part of lspci: - VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV710/M92 [Mobility Radeon HD 4530/4570/545v] - Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RV710/730 HDMI Audio [Radeon HD 4000 series] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1350519 Title: [HP Pavilion dv6-1390ev] Could not force DPM to low To manage notifications about this bug go to: https://bugs.launchpad.net/dri/+bug/1350519/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
