Hyperthreading kernel hangs
Gerrit
gerrit at nl.linux.org
Wed Apr 14 15:36:25 UTC 2004
Gerrit Holl wrote:
> I figured it myself. I was searching for 'Hyperthreading' and thus
> didn't find the kernel docs about 'Hyper Threading' ;-). For the archive
> readers: in grub.conf, add "acpi=ht" to the kernel commandline. A
> precompiled kernel does so self, but I compiled my own kernel.
Unfortunately, performance seems to be worse than before.
My cpuinfo says '1400' for cpu MHz. Is this correct?
SHouldn't it me 2800 for a 2.8 GHz processor?
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 1400.718
cache size : 512 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 2744.32
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 1400.718
cache size : 512 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 2793.47
Gerrit.
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