Thank you for your reply! I did the BIOS upgrade. I'll force an empty battery occurence, and check what Ubuntu says upon boot afterwards.
sander@HPtje:~$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date 68SRR Ver. F.41 05/22/2013 sander@HPtje:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1219498 Title: [Hewlett-Packard HP ProBook 4530s] suspend/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1219498/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs