Dual-core Opteron Support on RHEL v3 2006-01-23 - By Miskell, Craig
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> -- --Original Message-- --
> From: taroon-list-bounces@(protected)
> [mailto:taroon-list-bounces@(protected)] On Behalf Of Rik Herrin
> Sent: Monday, 23 January 2006 5:17 a.m.
> To: taroon-list@(protected)
> Subject: Dual-core Opteron Support on RHEL v3
>
> 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.
We have RHEL3 AS running on a DL585 with 4x dual-core 2.2GHz opterons,
without any problems whatsoever.
Craig Miskell
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