On 02/25/2014 06:54 PM, David Crick wrote: > Pulled the latest SL 6 fasbugs, which updated (amongst other packages): > > qt-4.6.2-28.el6_5.x86_64 > qt-devel-4.6.2-28.el6_5.x86_64 > qt-sqlite-4.6.2-28.el6_5.x86_64 > qt-x11-4.6.2-28.el6_5.x86_64 > > Then found that when trying to click on the task bar in KDE to change > tabs the tabs (I don't have tab grouping set) sometimes the tabs > change order, sometimes one takes up the whole screen (masking the > taskbar). > > Closing application windows failed to bring back the task bar. > CTRL-ALT-DEL brings the logout options - I click logout and am > returned to the login manager. Logging in again and problem is > reproducable. Have tried restarting X-server and a full reboot, > problem persists. > > Have done an rpm -ivh --force to the older versions in the SL 6.5 install tree: > > qt-4.6.2-26.el6_4.x86_64 > qt-devel-4.6.2-26.el6_4.x86_64 > qt-sqlite-4.6.2-26.el6_4.x86_64 > qt-x11-4.6.2-26.el6_4.x86_64 > > and clicking tabs in the taskbar to change windows now works in a > stable way again. That is very surprising behaviour! I'm not showing anything suspicious in the build logs..... There are no similar bugs in the upstream bugzilla. Pat -- Pat Riehecky Scientific Linux developer http://www.scientificlinux.org/