Forgot to mention details on my graphics card, as I see it's not detected by lspci:
ATI Radeon HD 5770 -- Resume from sleep fails / extremely slow with fglrx https://bugs.launchpad.net/bugs/561292 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs