I have the same problem (kacpid consuming near 99% CPU) in my HP laptop (Edubuntu "Feisty") after resuming from hibernate. The hibernation works fine in the same computer with Ubuntu 6.10 but it breaks after installing Feisty. The problem occurs with kernel 2.6.19 and 2.6.20 too, and it's clearly related to the thermal/fan control (ACPI).
Downgrading the package acpi-support from 0.91 to 0.90 (edgy), my systems works fine again. Notice that this change reverts all ACPI management in feisty to edgy status, because currently, acpi package version is 0.09-1 in feisty, the same version number as in edgy. -- kacpid-work eat 99% CPU after resuming from hibernate https://launchpad.net/bugs/56246 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
