Had the same problem on a Samsung S5 Ultra 530U. Upgrading the kernel fixed the problem. Thanks to Stephane! (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125/comments/24)
Commands for 64 bit system: cd /tmp wget \ kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.2-wily/linux-headers-4.5.2-040502_4.5.2-040502.201604200335_all.deb \ kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.2-wily/linux-headers-4.5.2-040502-generic_4.5.2-040502.201604200335_amd64.deb \ kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.2-wily/linux-image-4.5.2-040502-generic_4.5.2-040502.201604200335_amd64.deb sudo dpkg -i linux-headers-4.5*.deb linux-image-4.5*.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574125 Title: suspend not working after upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1574125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs