[CentOS] Hyperthreading ON causes OOPS on boot
peter at farrows.org
Fri Sep 15 07:25:52 UTC 2006
I wouldn't worry too much, hyperthreading adds little real world benefit,
Its all part of the Intel "marchitecture"
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
> Its a ASUS NCL-DS with Dual 3.4G Xeons, 8G of DDR2 ram, and a 3ware raid
> controller 8500LP.
> Mark Strong
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