This patch of the 15th of september against acpid effectively introduces a check on /var/lock/acpisleep.
https://patches.ubuntu.com/a/acpid/acpid_1.0.4-5ubuntu4.patch It would be useful to consider backporting it to dapper. ** Changed in: acpi-support (Ubuntu) Status: Confirmed => Fix Released -- ThinkPad, Fn-F4 leads to double unsuspend https://launchpad.net/bugs/31935 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs