Re: APIC error on CPU0:60(60)

[Mikael Pettersson]

Willy Weisz writes:
 > >From time to time we get the error message:
 > 
 >      APIC error on CPU0:60(60)
 > 
 > from the kernel.
 > 
 > We are running Linux kernel version 2.6.6 patches with
 > Mike Peterson's perfctr.
 > 
 > What does this message tell?

40 is Received Illegal Vector
20 is Send Illegal Vector

60 means you're getting both errors at the same time.

Basically it means that the APIC bus messages are malformed.
The cause can be hardware or software, it's difficult to tell.

Try a different kernel, w/o ACPI (acpi=off), w/o ACPI PCI
routing (pci=noacpi), or w/o I/O-APIC (noapic).

/Mikael
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