I've got this issue as well. Before the thing reboots, I get some error messages:
cpufreq: suspend failed to assert current frequency is what timing core thinks it is cpufreq: resume failed to assert current frequency is what timing core thinks it is i8042 aux 00:03: activation failed I've tried adding all the cpufreq related modules to the list to remove/reload in /etc/default/acpi-support, as well as messed around with a variety of options (laptop_mode, disable_dma, hibernate_mode), but nothing seems to do the trick. My system is a Sharp TN10W, Intel Banias 1.1 Ghz processor, Intel i810 graphics, no desktop effects. Hibernation used to work fine in Gutsy, although the fan would always spin up full speed right when the computer shut down. -- Laptop hibernate correctly, but reboot instead shutdown https://bugs.launchpad.net/bugs/190095 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