> I have an Altus 4200 server (2 athlon cpu chips, 8GB memory) that came > preloaded with SUSE linux. We reloaded it with Redhat Linux but apparently > did not configure the kernel correctly. My system now reports that there is > only 4GB of physical memory and it also appears that the system is > configured to use only 1 cpu. I'm thinking there is something I need to > change in the kernel. What do I need to modify in the kernel config? And if > anyone had a couple of pointers on compiling and installing a new kernel > that would also be helpful.
Troy:
The reason you are seeing only 4 GB memory and only 1 CPU is that the kernel has been complile to be non-SMP and without the 64-GB memory option. I am not a big RH user, but they might have an RPM for the kernel with those options. If not, you would have to recompile. If you use make menuconfig, SMP support is under "Processor Type and Features", and the 64 GB option is under the same menu, but you need to go one more level down under High Memory Support. Then make sure to configure the boot loader to load the correct image :-)
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