Hi Friends,
I am having a machine with 2 x Xeon 2.8Ghz w/HT/EM64T.
I am using the minimal-amd64 iso to boot up and install the machine and
it's a sucess.
But there's a doubt here..
During the installation stage, the kernel provided with the Minimal CD
will actually tell 4 CPU. Correct as Real CPU + HT CPU. But when I
booted the machine with my own kernel. It shows only 2. Here's the
extraction of config.gz
# Processor type and features
#
# CONFIG_MK8 is not set
CONFIG_MPSC=y
# CONFIG_GENERIC_CPU is not set
CONFIG_X86_L1_CACHE_BYTES=128
CONFIG_X86_L1_CACHE_SHIFT=7
CONFIG_X86_TSC=y
CONFIG_X86_GOOD_APIC=y
# CONFIG_MICROCODE is not set
# CONFIG_X86_MSR is not set
# CONFIG_X86_CPUID is not set
CONFIG_X86_HT=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_MTRR=y
CONFIG_SMP=y
CONFIG_PREEMPT=y
CONFIG_PREEMPT_BKL=y
CONFIG_SCHED_SMT=y
# CONFIG_K8_NUMA is not set
# CONFIG_NUMA_EMU is not set
# CONFIG_NUMA is not set
CONFIG_HAVE_DEC_LOCK=y
CONFIG_NR_CPUS=4
CONFIG_HPET_TIMER=y
# CONFIG_HPET_EMULATE_RTC is not set
# CONFIG_GART_IOMMU is not set
CONFIG_DUMMY_IOMMU=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_SECCOMP=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_ISA_DMA_API=y
I have the same problem before when I try to compile kernel-2.6.12.5 in
FC4 with a P4 3.0 w/HT. I also lost the virtual CPU.
Did the kernel-2.6.12.5 treat HT CPU differently ?
I hope I can find the answer in the kernel changelog. But it's quite
impossible for me right now. Any ideas ?
---
Regards,
C. K. Ong (Chris)
Linux System Engineer
RHCT Cert No: 603004347692007
http://www.redhat.com/rhce/rhce603004347692007.html
My Directory Sdn. Bhd.
Your Open Source Partner.
http://www.md.com.my http://www.net.my
2005
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