RE: 2.6.12 with dual way dual core ck804 MB

From: YhLu
Date: Wed Jun 22 2005 - 19:09:48 EST

actually with LinuxBIOS I can boot into 8 way dual core system.

But it will randomly hang. acutally when using
cat /proc/interrupts.

CPU0 CPU1 CPU2 CPU3 CPU4 CPU5
CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12
CPU13 CPU14 CPU15
0: 409 0 0 0 0 0
0 0 0 0 229 37399 0
0 0 0 IO-APIC-edge timer
2: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 XT-PIC cascade
4: 0 0 0 0 0 0
0 0 0 0 0 4915 0
0 0 0 IO-APIC-edge serial
8: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-edge rtc
14: 0 0 0 0 0 0
0 0 0 0 0 10 0
0 0 0 IO-APIC-edge ide0
19: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ohci1394
20: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level libata
21: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level libata
22: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ohci_hcd
23: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ehci_hcd
NMI: 1 0 0 0 0 0
0 0 0 0 0 1 0
0 0 0
LOC: 37688 37965 37965 37965 37965 37965
37965 37965 37965 37965 37965 37446 37965
37965 37965 37966
ERR: 447
MIS: 0

I wonder why all int is direct to cpu8.

YH


> -----Original Message-----
> From: Andi Kleen [mailto:ak@xxxxxxx]
> Sent: Wednesday, June 22, 2005 4:37 PM
> To: YhLu
> Cc: Peter Buckingham; Andi Kleen; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: 2.6.12 with dual way dual core ck804 MB
>
> On Wed, Jun 22, 2005 at 04:37:37PM -0700, YhLu wrote:
> > andi,
> >
> > do you mean the apic id lifting for opteron?
>
> Yes, with local APIC numbers > 8 physical mode needs to be
> used because logical mode only supports 8.
>
> -Andi
>
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