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SubjectRe: unexpected IO-APIC on IBM xSeries 440
On Thu, 2002-09-12 at 16:33, Mariusz Zielinski wrote:
> Hi list,
> as instructed I'm making contact (attached dmesg). IBM claims that machine
> is supported under linux (RedHat Advanced Server 2.1) but I couldn't find any
> patches. Is it possible that RedHat is hiding some patches from linux
> community? :)

Hardly. The patches for pretty much every vendor tree are neatly broken
down at

> The problem is that /proc/cpuinfo shows at most 4 processors (depending on
> kernel version). Dmesg shows many "APIC error on CPUx: 00(80)" errors.
> I can provide you with further details (make some tests) if needed.

I don't know what state 2.5 is on Summit numa but 2.4.19-ac and
2.4.20pre6 plus one patch (I can bounce you the diff if you want) should
work nicely on summit chipsets with any distro

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