Oh, I forgot, the /var/log/kern.log I just added also contains at least one suspend attempt, before the successful hibernate. Compare the timestamps with those in var-log-messages above (the suspend attempts are marked by a message from the power manager).
This is the final attachment; note that "# cp -r /proc/acpi/ tmp/" gave a certain error: cp: cannot open `/proc/acpi/event' for reading: Device or resource busy ** Attachment added: "content of /proc/acpi" http://launchpadlibrarian.net/15190872/acpi.tar.bz ** Changed in: linux (Ubuntu) Status: Incomplete => New -- suspend to ram doesn't work--computer keeps running https://bugs.launchpad.net/bugs/239027 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