with AOC monitor, it issued an unexpected acpi event after external monitor be disabled, that caused mode switching.
u@u-Vostro-7570:~$ sudo acpi_listen # now disable external screen by $DISPLAY=:0 xrandr --output HDMI-0 --off jack/lineout LINEOUT unplug jack/videoout VIDEOOUT unplug # wait for about 15 secs, this acpi event somehow be issued. video/switchmode VMOD 00000080 00000000 jack/lineout LINEOUT plug jack/videoout VIDEOOUT plug But, this issue not happens to Dell monitor, and this proposed package passed both with Dell monitor ST2320L and P2415Qb. So, the patches helps actually. ** Tags removed: verification-failed-xenial ** Tags added: verification-done-xenial ** Tags removed: verification-needed-xenial -- 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/1715586 Title: Fix shrinking behavior in rrCheckPixmapBounding To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1715586/+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
