I have built a twin 1GHz P111 box, using an Abit VP6 motherboard. I installed Mandrake 8.2, and followed the HowTo to rebuild the kernel with multiprocessor support.
When the machine boots up, the initial boot screen shows that 2 CPUs are present, and using dmesg to view the Linux boot text I get the report: Intel MultiProcessor Specification v1.1 Virtual Wire compatibility mode. OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000 Processor #0 Pentium(tm) Pro APIC version 17 Processor #1 Pentium(tm) Pro APIC version 17 I/O APIC #2 Version 17 at 0xFEC00000. Processors: 2 A liitle further down it shows the first processor being initialized, but not the second. After logging in, cat /proc/cpuinfo only shows one CPU. Does anyone know what my problem is, and how I can coach Linux to recognize my second COU. All help gratefully received. Andrew Tuson
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