[Asterisk-Users] SMP kernel on Pent 4?

[Rich Adamson]

Tomas Stribrny wrote:
> Rich Adamson wrote:
>> Mike Fedyk wrote:
>>> Rich Adamson wrote:
>>>> Had a Pent 4 server running fc3 crash (kernel panic) and am
>>>> I then noticed that FreePBX installed using a SMP kernel (and grub 
>>>> indicated a non-SMP kernel was installed as well).
>>>>
>>>> Would running an SMP kernel on a Pent 4 potentially cause a kernel 
>>>> panic? (Or, do I need to dig somewhere else?)
> 
> I remember that there were problems on FC running on P4 with HT 
> (hyperthreading). If you have only one physical CPU, run something like 
> 'top' or 'cat /proc/cpuinfo' which shows you how many CPU system use.
> 
> If you have 1 fyz.CPU but 2 CPU in sys means P4-HT and SMP could be 
> fine. You can try to switch off HT support in BIOS and run nonSMP 
> kernel, and you'l see if it is better/more stable.
> 
> I'm running 2pcs of dual core xeons, so I have 4 (logical) CPU. And I'm 
> running FC4 with 2.6.16.-1.2096 SMP kernel.

This is a single P4 (no dual core), and HT was turned on. Just turned it 
off now and still running non-smp kernel, so we'll see where stability 
goes from here.

Kind of odd since the box had been running for over six months with fc3 
and HT on.