3588 2012-12-13 14:00:56 +0000 [Atom-PC]dmesg errors on atom-pc 2012-12-14 12:31:55 +0000 1 1 7 Build System, Metadata & Runtime BSPs bsps-meta-intel 1.4 Netbook Multiple RESOLVED INVALID Undecided normal --- 1 alexandrux.palalau dvhart alexandru.c.georgescu ross.burton tom.zanussi --- --- --- oldest_to_newest 28235 0 alexandrux.palalau 2012-12-13 14:00:56 +0000 dmesg | grep -i error provides the following output. Commit ID: ACPI Error: [CAPB] Namespace lookup failure, AE_ALREADY_EXISTS (20110623/dsfield-143) ACPI Error: Method parse/execution failed [\_SB_.PCI0._OSC] (Node f64230d8), AE_ALREADY_EXISTS (20110623/psparse-536) ACPI: Marking method _OSC as Serialized because of AE_ALREADY_EXISTS error ACPI Error: [CAPB] Namespace lookup failure, AE_ALREADY_EXISTS (20110623/dsfield-143) ACPI Error: Method parse/execution failed [\_SB_.PCI0._OSC] (Node f64230d8), AE_ALREADY_EXISTS (20110623/psparse-536) Poky commit ID: 381c4b69c7e8b452f4d3de2f8214e6e5f6a9abe7 Images from http://autobuilder.yoctoproject.org/pub/nightly/20121205-3/ 28243 1 alexandru.c.georgescu 2012-12-13 15:58:11 +0000 This was tested on Lenovo Ideapad S10-3. It also happens with the ATOM-PC build for denzil-next: http://autobuilder.pokylinux.org/nightly/20121206-2/machines/atom-pc/core-image-sato-sdk-atom-pc.hddimg The errors appear on the dmesg ouput after the image boots. 28267 2 alexandrux.palalau 2012-12-13 21:23:49 +0000 1.4_M1 branch Image written on usb-stick with dd. 28291 3 ross.burton 2012-12-14 12:31:55 +0000 So that's the ACPI bug https://www.acpica.org/bugzilla/show_bug.cgi?id=946, closed resolved invalid. Linux's behaviour is identical to Windows (which is the "real" spec) and conformant to the actual spec (which says that the instructions provided by the BIOS is invalid).