I get the same behavior and many of the same syslog messages when I boot to XUbuntu, which does not rely on mutter. I am still investigating the kernel bug you referred me to. Thanks.
** Attachment added: "Xubuntu does not rely on mutter, but exhibits the same beahvior and similar syslog messages." https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1871394/+attachment/5350512/+files/xubuntu_%28no_mutter%29_dmesg_syslog_xrandr.txt -- 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/1871394 Title: modeset: Loss of VGA signal (ast2500) on login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1871394/+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
