On Wed, Jun 22, 2011 at 9:34 AM, John S <johns9872003@xxxxxxxxxxx> wrote: > 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. As a start, I'd suggest opening a kernel bugzilla and attaching the dmesg logs (with and without acpi_apic_instance=2) and acpidump to it. Here are some tips for doing that: http://kernel.org/pub/linux/kernel/people/helgaas/debug . It'd be nicest if you could do this with a recent upstream kernel, e.g., 3.0-rc4. Bjorn -- 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
