Same here after upgrade from 14.04.4 to 16.04, reverting to 4.2.0-35-generic fixed this.
CPU: Intel i7-2670QM with integrated Intel HD3000 dGPU: AMD Radeon HD6770M -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1566828 Title: Suspension does not work, freezes the pc To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1566828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs