[Group.of.nepali.translators] [Bug 1646253] Re: I am getting frequent DRM hangs while playing Cities: Skylines from Steam

This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug. Please follow the instructions on

[Group.of.nepali.translators] [Bug 1646253] Re: I am getting frequent DRM hangs while playing Cities: Skylines from Steam

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem? Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.9