 | | | Dual-core Opteron Support on RHEL v3 | Dual-core Opteron Support on RHEL v3 2006-01-23 - By Paul Krizak
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We've got hundreds of dual-core systems in our cluster running RHEL3 U5
with no problems at all.
Paul Krizak 5900 E. Ben White Blvd. MS 625
Advanced Micro Devices Austin, TX 78741
Linux/Unix Systems Engineering Phone: (512) 602-8775
Microprocessor Solutions Sector
Rik Herrin wrote:
> Hi,
> We were thinking of purchasing a dual-core Opteron
> and deploying an application requiring RHEL v3 U2 on
> it. However, after reading the following article,
> http://www.anandtech.com/printarticle.aspx?i=2447, it
> mentions the following:
>
> "The new Dual core Opteron makes our test complete.
> While Windows (XP and 2003) recognized and utilized
> the cores easily, SUSE SLES 9 Linux was a little more
> stubborn. With the original SLES 9 kernel 2.6.5-97,
> the dual Opteron would just crash. We applied Service
> Pack 1 and the new Opteron would boot and recognize
> the two cores, but the second CPU was disabled because
> of APIC IRQ problems."
>
> So will RHEL v3 U2 (ES or AS) see the dual Opteron and
> use both CPUs? Also, how many CPUs would it support
> if it does see the dual Opteron as 2 CPUs? Can I
> comfortably install on a machine with 2 x dual
> Opterons or 4 x dual Opterons? Thanks for your time.
>
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