Messages in this thread | | | Date | Wed, 21 Mar 2001 11:32:05 -0500 (EST) | From | Mark Hahn <> | Subject | Re: SMP on assym. x86 |
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> recently upgrading one of my two CPUs, I found kernel-2.4.2 to be unable to > handle the situation with 2 different CPUs (AMP = Assymmetric > multiprocessing ;-) correctly.
"correctly". Intel doesn't support this (mis)configuration: especially with different steppings, not to mention models.
Alan has, or is working on, a workaround to handle differing multipliers by turning off the use of RDTSC. this is the right approach to take in the kernel: disable features not shared by both processors, so correctly-configured machines are not penalized. and the kernel should LOUDLY WARN ABOUT this stuff on boot.
regards, mark hahn.
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