On 11/09/2016 10:57 PM, M. Vefa Bicakci wrote:
[    0.002000] mvb: CPU: Physical Processor ID: 0
[    0.002000] mvb: CPU: Processor Core ID: 0
[    0.002000] mvb: identify_cpu:1112: c: ffff880013b0a040, c->logical_proc_id: 
65535
[    0.002000] mvb: __default_cpu_present_to_apicid:612: Returning 65535! 
mps_cpu: 1, nr_cpu_ids: 2, cpu_present(mps_cpu): 1
[    0.002000] smpboot: mvb: topology_update_package_map:270: cpu: 1, pkg: 4095
[    0.002000] smpboot: APIC(ffff) Converting physical 4095 to logical package 0
[    0.002000] smpboot: mvb: topology_update_package_map:305: cpu: 1, 
cpu_data(cpu).logical_proc_id: 0

This seems strange.  0xffff is BAD_APICID.  Why didn't this fail here:

        for_each_present_cpu(cpu) {
                unsigned int apicid = apic->cpu_present_to_apicid(cpu);

                if (apicid == BAD_APICID || !apic->apic_id_valid(apicid))  
<<<<<<<<<<
                        continue;
                if (!topology_update_package_map(apicid, cpu))
                        continue;

topology_update_package_map() should never have been called?

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