Messages in this thread | | | Subject | Re: 2.6.13-rc4: no hyperthreading and idr_remove() stack traces | From | (Eric W. Biederman) | Date | Fri, 29 Jul 2005 18:22:47 -0600 |
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Andrew Morton <akpm@osdl.org> writes:
> Frank van Maarseveen <frankvm@frankvm.com> wrote: >> >> 2.6.13-rc4 does not recognize the second CPU of a 3GHz HT P4: > > OK, we seem to have broken your APIC code.
There is a big difference here in that one kernel is using the ACPI MADT tables and the other kernel is using the MP table.
I suspect the MP table on your system is incomplete while your ACPI MADT does specify both logical cpus.
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