HT is simply faking a second cpu to try to keep the enormous instruction
pipeline of the p-4 full. If the pipeline gets out of step then the
processor has to wait for the stages to get filled up again.
Mark Strong wrote:
I just tried to install CentOS (x86_64 4.4 and i386 4.3, not both at
once, when I found the 64bit version didn't boot, I tried the 32bit
version, same result) on a dual Naconda Xeon system. I get an OOPS just
after the IDE info is printed on the screen during boot (this is booting
off the CD during the install phase).
After mucking about with the bios settings (and many reboots later), I
found with Hyperthreading off it boots and installs ok (installed the
x86_64 version once I got it going).
After YUM updating, and getting a new kernel I thought I'd try turning
the Hyperthreading back on, crashed in the same spot during boot.
Since I'm going to use it as a MySQL server and Hyperthreading seems to
make MySQL slower, it not a problem that it won't work with
Hyperthreading enabled, but it would be interesting to know why. Any
ideas???
Its a ASUS NCL-DS with Dual 3.4G Xeons, 8G of DDR2 ram, and a 3ware raid
controller 8500LP.
Regards
Mark Strong
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--
My "Foundation" verse:
Isa 54:17 No weapon that is formed against thee shall prosper; and
every tongue that shall rise against thee in judgment thou shalt
condemn. This is the heritage of the servants of the LORD, and their
righteousness is of me, saith the LORD.
-- carpe ductum -- "Grab the tape"
CDTT (Certified Duct Tape Technician)
Linux user #322099
Machines:
206822
256638
276825
http://counter.li.org/
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