I have E6440 with AMD graphics card (but not switchable muxed - my is muxless without display outputs). I updated bios to A05, kernel to 3.14 and ati/radeon & intel xserver drivers from git. And suspend is working.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1272933 Title: [Dell Latitude E6440] suspend leads to black screen, laptop does not enter sleep. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-quantal/+bug/1272933/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
