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SubjectRE: 256 apic id for amd64
Date
On 2.4.28 84 bit
~ # cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 5302 19 0 0 IO-APIC-edge timer
1: 0 0 0 0 IO-APIC-edge keyboard
2: 0 0 0 0 XT-PIC cascade
4: 175 0 0 0 IO-APIC-edge serial
19: 3 0 0 0 IO-APIC-level ohci1394
22: 0 0 0 0 IO-APIC-level usb-ohci
23: 0 0 0 0 IO-APIC-level ehci_hcd
NMI: 147 139 110 77
LOC: 5063 5060 5061 5062
ERR: 406
MIS: 0
~ # cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 5612 19 0 0 IO-APIC-edge timer
1: 0 0 0 0 IO-APIC-edge keyboard
2: 0 0 0 0 XT-PIC cascade
4: 226 0 0 0 IO-APIC-edge serial
19: 3 0 0 0 IO-APIC-level ohci1394
22: 0 0 0 0 IO-APIC-level usb-ohci
23: 0 0 0 0 IO-APIC-level ehci_hcd
NMI: 147 139 110 77
LOC: 5373 5370 5371 5372
ERR: 406
MIS: 0

-----Original Message-----
From: YhLu
Sent: Tuesday, January 11, 2005 11:05 AM
To: YhLu; Andi Kleen
Cc: 'Mikael Pettersson'; jamesclv@us.ibm.com; Matt_Domsch@dell.com;
discuss@x86-64.org; linux-kernel@vger.kernel.org; suresh.b.siddha@intel.com
Subject: RE: 256 apic id for amd64

On 2.6.10 32 bit, it only crash core1/node0, still can go on but lost one
cpu.

~ # cat /proc/interrupts
CPU0 CPU1 CPU2
0: 47612 5 7643 IO-APIC-edge timer
2: 0 0 0 XT-PIC cascade
4: 365 0 1 IO-APIC-edge serial
8: 0 0 0 IO-APIC-edge rtc
17: 0 0 0 IO-APIC-level libata
18: 0 0 0 IO-APIC-level libata
19: 2 0 1 IO-APIC-level ohci1394
22: 0 0 0 IO-APIC-level ohci_hcd
23: 0 0 0 IO-APIC-level ehci_hcd
NMI: 0 0 0
LOC: 49259 49254 49253
ERR: 5729
MIS: 0
~ #

-----Original Message-----
From: Yinghai Lu [mailto:yhlu@tyan.com]
Sent: Tuesday, January 11, 2005 10:50 AM
To: 'Andi Kleen'
Cc: 'Mikael Pettersson'; 'jamesclv@us.ibm.com'; 'Matt_Domsch@dell.com';
'discuss@x86-64.org'; 'linux-kernel@vger.kernel.org';
'suresh.b.siddha@intel.com'
Subject: RE: 256 apic id for amd64

> It looks like the timer interrupt goes to the second CPU.
Even I don't lift the apic id for bsp, the MB with Nvidia chipset still can
not start core1/node0, from core0/node0 in kernel 2.6. But the 2.4.28 (32
bit, 64 bit) works well.

How come?

YH
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