[Xen-devel] APIC error during Xen boot

["Huang2, Wei" <Wei.Huang2@xxxxxxx>]

Hi Keir,

 

I found that xen-unstable reported APIC error on my AMD systems. Please See the output below. I was able to trace this issue to changset 21407. One observation is that this error only happened to credit scheduler; but not on credit2 scheduler. It might be related to set_timer() re-arrangement in changeset 21407. BTW, Xen is still able to bringup 8 cores correctly. So this error is one-time deal.

 

Thanks,

-Wei

 

<FF>(XEN) Allocated console ring of 64 KiB.

(XEN) HVM: ASIDs enabled.

(XEN) HVM: SVM enabled

(XEN) HVM: Hardware Assisted Paging detected.

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU1: 00(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU2: 00(04)

(XEN) APIC error on CPU1: 04(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU3: 00(04)

(XEN) APIC error on CPU1: 04(04)

(XEN) APIC error on CPU2: 04(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU2: 04(04)

(XEN) APIC error on CPU1: 04(04)

(XEN) APIC error on CPU3: 04(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU3: 04(04)

(XEN) APIC error on CPU1: 04(04)

(XEN) APIC error on CPU2: 04(04)

(XEN) APIC error on CPU0: 00(04)

(XEN) APIC error on CPU2: 04(04)

(XEN) APIC error on CPU3: 04(04)

(XEN) APIC error on CPU1: 04(04)

(XEN) Brought up 8 CPUs

 

 

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