Public bug reported: At every boot dmesg shows the same errors:
[ 8.698017] ACPI Error: [_T_0] Namespace lookup failure, AE_ALREADY_EXISTS (20120320/dswload2-316) [ 8.698025] ACPI Exception: AE_ALREADY_EXISTS, During name lookup/catalog (20120320/psloop-231) [ 8.698028] ACPI Error: Method parse/execution failed [\FREQ] (Node ffff88031dc74348), AE_ALREADY_EXISTS (20120320/psparse-536) [ 8.698053] ACPI Error: Method parse/execution failed [\_TZ_.THM0._TMP] (Node ffff88031dc742a8), AE_ALREADY_EXISTS (20120320/psparse-536) [ 9.399585] ACPI: Marking method FREQ as Serialized because of AE_ALREADY_EXISTS error [ 9.399598] ACPI: Marking method _TMP as Serialized because of AE_ALREADY_EXISTS error Everything seems to work fine (except the card reader but I can not say it is related to this). This error also occurs in 12.04. It is a Malibal notebook: Intel Core i7-2720QM NVIDIA GeForce GTX 560M Intel 6300 Ultimate-N 802.11A/B/G/N Integrated 2.0 Megapixel Web Camera Integrated 9 in 1 Card Reader ssd 120 GB Corsair Force GT This notebook has nothing but Ubuntu 12.10. It won't boot with acpi=off ** Affects: acpi (Ubuntu) Importance: Undecided Status: New ** Tags: acpi boot error -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1120478 Title: ACPI Error: AE_ALREADY_EXISTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acpi/+bug/1120478/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs