Perhaps I found something: https://bugs.freedesktop.org/show_bug.cgi?id=23012 It doesn't looks good... But now I'm trying the latest Intel drivers and vaapi.
** Bug watch added: freedesktop.org Bugzilla #23012 http://bugs.freedesktop.org/show_bug.cgi?id=23012 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/766408 Title: [sandybridge-gt2] GPU lockup using xvmc (Render IPEHR: 0x02000004) -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
