Looks like that feature is enabled. Someone else suggested I try
"acpi=ht" as a kernel parameter so will give that a shot.
[EMAIL PROTECTED] ~]# grep CONFIG_SCHED_SMT /boot/config-`uname -r`
CONFIG_SCHED_SMT=y
[EMAIL PROTECTED] ~]# uname -r
2.6.22.9-91.fc7
Gustin Johnson wrote:
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More recent linux kernels now have a seperate scheduler for
hyperthreaded CPUs which is different from the one used on true SMP
machines. A hyper-threaded CPU is still only one CPU, it is not
actually dual core, treating it as such had some problems. Since I do
not have a P4 to test with, I do not know if this is the cause of your
processor showing up differently in /proc/cpuinfo
Out of curiosity what kernel version are you currently running (uname -r)?
To import your current config, copy /boot/config`uname -r` to
/path/to/extracted/kernel/source/.config
cd into the kernel source, then type:
make oldconfig
The option you are looking for is under "Processor type and features" ->
SMT (Hyperthreading) scheduler support
To check if your current kernel has this support:
grep CONFIG_SCHED_SMT /boot/config-`uname -r`
Johnny Stork wrote:
I had some problems with the graphical installer and so had to install
FC7 in text mode on my primary workstation (Intel P4, 3ghz
Hyperthreaded) but I noticed that my Hyperthreaded Intel CPU, which is
recognized as dual cpu's on all other distros of Linux and Windows, only
shows as having 1 cpu? I realize that SMP support is now built into the
single kernel, but how can I re-enable SMP support? Do I need to rebuild
the kernel? If so, it has been years since I did this so if I do need to
rebuild the kernel, can someone describe how I can
1: Call up the existing configuration
2: Just make changes needed to get the hyperthreaded cpu recognised as
dual cpu's?
grep processor /proc/cpuinfo
processor : 0
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