Agile Aspect wrote: > Paolo Supino wrote: > > Hi Peter > > > > I tried that and it the result is the same: Linux only finds, > > initializes and uses only 1 core ... :-( Is there anything else I can > > try to have Linux initialize all 4 cores? > > > You're probably booting the single CPU kernel. > > Try booting the kernel ending with "-ELsmp".
All CentOS 5 kernels are SMP kernels, there is no ELsmp kernel anymore. Problem really seems to be missing ACPI functionality which leads to the problem that only one core is found. Ralph
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