problem seems to appear only with nouveau driver, i installed the propritary (like it is on 18.4) and it works now as. seems anything in nouveau driver is missing for multi-monitor-support
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1878421 Title: Using two GPUs with one monitor each, one is always black To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1878421/+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