Do you have a nvidia card? This seems to be a duplicate of Bug #91414
-- Desktop effects freeze when switching user https://launchpad.net/bugs/95926 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
- [Bug 95926] Re: Desktop effects freeze when switchi... Emilio Pozuelo Monfort
- [Bug 95926] Re: Desktop effects freeze when sw... Andrew Conkling
- [Bug 95926] Re: Desktop effects freeze when sw... Emilio Pozuelo Monfort
- [Bug 95926] Re: Desktop effects freeze when sw... Andrew Conkling
