from journalctl , it keep print error message ** Tags added: ubuntu-certified
** Tags added: ce-qa-concern -- 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/1844934 Title: screen jitter after long idle To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1844934/+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