[Bug 1871873] Re: Xorg becomes unresponsive occasionally when system is under heavy load.

I had the same crash again this evening, while browsing Facebook with Firefox browser. Here is my Xorg.log.old (after reboot) ** Attachment added: "Xorg.0.log.old" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1871873/+attachment/5350890/+files/Xorg.0.log.old -- You received this bug

[Bug 1871873] [NEW] Xorg becomes unresponsive occasionally when system is under heavy load.

Public bug reported: It seems that (almost daily) my system will "freeze" requiring a hard power-off. I presume the problem is in the X server, as it simply stops responding to keyboard / mouse inputs. It seems to happen when the system is under heavy load. I found these lines in the X log,