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Hi, How do I get KDE to use all 4 cores? Clean install of Mageia 2. Specs on PC down in signature.

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[roy@localhost ~]$ uname -a
Linux localhost 3.3.6-desktop-2.mga2 #1 SMP Thu May 17 16:49:59 UTC 2012 i686 i686 i386 GNU/Linux
[roy@localhost ~]$ dmesg | grep CPU
[    0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:1 nr_node_ids:1
[    0.000000] PERCPU: Embedded 13 pages/cpu @f1e00000 s30144 r0 d23104 u53248
[    0.000000] Initializing CPU#0
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] CPU 0 irqstacks, hard=f1808000 soft=f180a000
[    0.002178] CPU: Physical Processor ID: 0
[    0.002180] CPU: Processor Core ID: 0
[    0.002183] mce: CPU supports 6 MCE banks
[    0.002189] CPU0: Thermal monitoring enabled (TM2)
[    0.096028] weird, boot CPU (#0) not listed by the BIOS.
[    0.096991] PEBS disabled due to CPU errata.
[    0.096991] Brought up 1 CPUs
[   16.900569] microcode: CPU0 sig=0x6fb, pf=0x10, revision=0xb6
[   17.210001] microcode: CPU0 updated to revision 0xba, date = 2010-10-03
[roy@localhost ~]$ cat /proc/cmdline
BOOT_IMAGE=linux root=UUID=6bf0e665-4a3c-4cbb-83fb-160e1a07a2cd  splash quiet resume=UUID=824109d0-5dbb-4a12-a37b-36c9ccf568de vga=788
[roy@localhost ~]$ 

Any ideas? I see in the messages weird, boot CPU (#0) not listed by the BIOS. Could this be the problem?

I went to the Bios and turned on ACPI - the four cores are now being used and recognised by Mageia 2. The temperature also went down by 12 degrees C on the CPU - I guess it is not working so hard now