Two weeks ago, I upgraded to 12.04. This broke hibernation completely - the system did freeze with every hibernate attempt and my only choice left was to forcibly power off. A fresh 12.04 installation (kernel 3.2.0-24-generic-pae) didn't behave any different. I have not been able to recover any logs as the forced pwer off demolished the file system every time.
In my frustration I removed 4GB of RAM and ran the system with 4GB only. In this configuration hibernate was functional w/o any problem - tried that 15-20 times in a row. I'm not sure that my freeze scenario is caused by the problem this bug report is about. However, I have found a better solution in the meantime: use the 64-bit installation. This was neither certified nor functional with my Lenovo L520 for the 11.10 release but it works smooth for more than a week now. (for completeness: I'm setting kernel parameters noapic and acpi_osi=\"Linux\" with parameter GRUB_CMDLINE_LINUX_DEFAULT in /etc/default grub). So, my recommendation: try the amd64 installation, if your processor arch permits this. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/830267 Title: Hibernation fails with "not enough free memory" error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/830267/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs