Indeed, downgrading from 2:1.18.4-1 to 2:1.18.3-1 for xserver-common/xorg-xserver-core/xwayland/xserver-xephyr resolved the problem
2016-07-26 21:09 GMT+02:00 Debian Bug Tracking System <ow...@bugs.debian.org >: > Thank you for filing a new Bug report with Debian. > > This is an automatically generated reply to let you know your message > has been received. > > Your message is being forwarded to the package maintainers and other > interested parties for their attention; they will reply in due course. > > Your message has been sent to the package maintainer(s): > Debian X Strike Force <debia...@lists.debian.org> > > If you wish to submit further information on this problem, please > send it to 832...@bugs.debian.org. > > Please do not send mail to ow...@bugs.debian.org unless you wish > to report a problem with the Bug-tracking system. > > -- > 832551: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=832551 > Debian Bug Tracking System > Contact ow...@bugs.debian.org with problems >
