Yes one of those crashes is Skype, and the Xwayland crashes could be related to Skype, Zoom or Thunderbird...
I just realized the hang and the flicker are two separate bugs. The hang is probably more important so I'll change the bug to focus on that. ** Summary changed: - [Lenovo G510] System hangs / flickers + [Lenovo G510] System hangs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1971986 Title: [Lenovo G510] System hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1971986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs