[Asterisk-Users] Hyperthreading?

Matthew Simpson matthew at symatec-computer.com
Mon Jun 7 21:24:28 MST 2004

I have a Linux 2.6.6 box with Hyperthreading with a Digium 4 port T1 board
[TE-405P ?]   Intel P4 3.2 w/ HT and the board is an Intel 875 w/ HT

So far no issues. I  did have a hard-lock six hours after first booting the
box, but so far it has been up since then [uptime 5 days 16:11], and
actually has higher load than when it locked [had no load then].

Call quality is perfect.

I will reply again to this thread if any problems do crop up.

> Message: 10
> Date: Tue, 08 Jun 2004 08:44:19 +0800
> From: Steve Underwood <steveu at coppice.org>
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] Hyperthreading?
> Reply-To: asterisk-users at lists.digium.com
> Chris Bond wrote:
> >Are they any issues still with hyperthreading processors, I've read and
> >told by a few people to make sure its disabled in bios if I want to use *
> >a hyperthreading machine.
> >
> >
> A lot of people report no problems with HT turned on, but you have to
> look at these reports carefully. A lot of people have no zaptel hardware
> in their system. That seems OK with HT on. Some people with zaptel
> hardware use it in very simple ways. That also seems OK. However, if you
> try things like setting loopback on a TE410P card with HT turned on, the
> machine locks solid. So, there are HT issues, but not everyone hits them.
> Regards,
> Steve

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