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SubjectCONFIG_NR_CPUS (or something related) broken in 2.5 ?
Setting the number of cpus to 4 causes only 2 to be displayed in 
/proc/cpuinfo

(On a dual P4 Xeon (Hyperthreaded) machine which normally shows 4 CPUs)

I'm using...

*
* ACPI Support
*
ACPI Support (ACPI) [Y/n/?] y
CPU Enumeration Only (ACPI_HT_ONLY) [Y/n/?] y

...to detect the HT Xeons.

Trying with CONFIG_NR_CPUS=5........Same
Trying with CONFIG_NR_CPUS=6........Same
Trying with CONFIG_NR_CPUS=7........3 Processors - Weird!
Trying with CONFIG_NR_CPUS=8........4 Processors - Hoorah!

Strange, or am I missing something?

Andrew Walrond

[Me: Off to try CONFIG_NR_CPUS=32 :)]

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