https://bugs.freedesktop.org/show_bug.cgi?id=67790
--- Comment #5 from malt malt@mailoo.org --- 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]