After upgrading and testing with mainline kernel 5.2.4 this crash no longer occurs. This bug can be closed.
** Attachment removed: "lspci-vnvn.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837465/+attachment/5278554/+files/lspci-vnvn.log ** Attachment removed: "Last 1000 lines of syslog, captured after crash" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837465/+attachment/5278555/+files/sys.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1837465 Title: WARNING: CPU: 9 PID: 129 at drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c:277 generic_reg_wait.cold.3+0x25/0x2c [amdgpu] Status in linux package in Ubuntu: Confirmed Bug description: Whenever I run a game that pushes my GPU harder than usual, my monitor loses signal from the GPU and I have to do a hard reboot (hold down the power button for a few seconds) of my computer. I'm able to reproduce the problem consistently by playing Cities Skylines at 4K. Please let me know if I can be of any assistance in helping to test. System info: Ubuntu Version: 18.04.2 LTS Kernel: 5.1.16-050116-generic Steps to reproduce: 1) Run Cities Skylines from Steam at 4k 2) Load a new map and start building a city Expected: The system should be stable Actual: Within 20 - 300 seconds, the monitor loses signal, and I have to perform a hard reboot. Notes: I've attached the last 1000 lines of my syslog after the moment of the crash until I rebooted. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837465/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
