Jacques Lerin, thank you for reporting this and helping make Ubuntu better.
1) Is this still reproducible if you update to the latest HWE stack as per https://wiki.ubuntu.com/Kernel/LTSEnablementStack ? 2) Are you having a temperature issue? One may confirm following https://help.ubuntu.com/community/SensorInstallHowto . ** Tags added: bios-outdated-4.2.0 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1737210 Title: sytem restart spontaneously To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1737210/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp