Hi, kernel 2.6.33.7 laptop from ECS aka ELITEGROUP aka Uniwill model L75II0 Intel Core2 Duo T5750 2GHz Phoenix BIOS It's different, maybe better, with acpi_apic_instance=2 If you'd like more details / output from anything (dmesg? acpidump? dmidecode? whatever) please ask. I'd like to get Linux running better on it - only starts 1 CPU whereas sadly Vista starts both cores. Any suggestions welcome! I've tried newer test kernels for ArchLinux (sorry, not yet kernel devel / Linus ones) and both 32-bit and 64-bit only start 1 core. I'm currently looking at files such as smpboot.c and drivers/acpi/tables.c but don't really know what I should be doing to try to understand the sequence of events so I can try to work around what is no doubt a buggy BIOS. No BIOS updates available from maker's websites. Thanks, John -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html