[K12OSN] hyperthreading
M.Pribik
mpribik at zoznam.sk
Sat Jan 29 20:35:10 UTC 2005
Hello,
I installed from distro the file "kernel-smp-2.6.9-1.681_FC3.i586.rpm".
After that and after reboot the hyperthreading is always disabled.
In BOIS hyperthreading is enabled. What have I do more? I add the results of
some important commands below:
# uname -a
Linux server.sou-coop.lan 2.6.9-1.681_FC3smp #1 SMP Thu Nov 18 15:25:11 EST
2004 i686 i686 i386 GNU/Linux
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 2.40GHz
stepping : 4
cpu MHz : 2423.773
cache size : 1024 KB
physical id : 0
siblings : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl cid
xtpr
bogomips : 4784.12
# dmesg |grep -i cpu
Initializing CPU#0
CPU 0 irqstacks, hard=c03b3000 soft=c03ab000
CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 1024K
CPU: Hyper-Threading is disabled
CPU: After all inits, caps: bfebf3ff 00000000 00000000 00000080
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
CPU0: Thermal monitoring enabled
CPU0: Intel(R) Pentium(R) 4 CPU 2.40GHz stepping 04
per-CPU timeslice cutoff: 2925.45 usecs.
Brought up 1 CPUs
ACPI: Processor [CPU1] (supports C1)
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