Freebsd 5.1 and Hyperthreading

Does anyone know if its a known issue that hyperthreading does NOT work on freebsd-5.1 ?

Well I have been noticing huge lag spikes while runnning my game hosting box under freebsd 5.1. Also the loads were just rediculous 3-5.00+

I just didnt understand what was going on... Until I looked at my redhat box where I have hyperthreading and under the C column in top it actually showed the 0 or 1 for what processor was doing the work. Well on freebsd 5.1 it was only showing 0's and the system idle never went below 50% so I knew something was up.

After tons of work I successfully got my box to 5.2.1 with a cvsup. Now under top and C column I can successfully see the 0 and 1 's for what processor is doing the work... also the load is VERY VERY LOWER!!!

Man thank god ... hate buying hyperthreading box and then dont get the technology to work.

Does anyone know if hyperthreading is broke on 5.1? I know I had this problem on more then one server. So Im guessing hyperthreading is not working right at least on some hardware for freebsd 5.1.

Post your thoughts or comments about this.

 

 

 

 

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