* APIC error during Xen boot
@ 2010-06-29 20:34 Huang2, Wei
2010-06-29 20:45 ` Keir Fraser
0 siblings, 1 reply; 3+ messages in thread
From: Huang2, Wei @ 2010-06-29 20:34 UTC (permalink / raw)
To: Keir Fraser, xen-devel@lists.xensource.com
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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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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: APIC error during Xen boot
2010-06-29 20:34 APIC error during Xen boot Huang2, Wei
@ 2010-06-29 20:45 ` Keir Fraser
2010-06-29 20:51 ` Huang2, Wei
0 siblings, 1 reply; 3+ messages in thread
From: Keir Fraser @ 2010-06-29 20:45 UTC (permalink / raw)
To: Huang2, Wei, xen-devel@lists.xensource.com
On 29/06/2010 21:34, "Huang2, Wei" <Wei.Huang2@amd.com> wrote:
> 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.
It should be fixed by changeset 21690.
-- Keir
> 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
>
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* RE: APIC error during Xen boot
2010-06-29 20:45 ` Keir Fraser
@ 2010-06-29 20:51 ` Huang2, Wei
0 siblings, 0 replies; 3+ messages in thread
From: Huang2, Wei @ 2010-06-29 20:51 UTC (permalink / raw)
To: Keir Fraser, xen-devel@lists.xensource.com
It does indeed. Thanks.
-Wei
-----Original Message-----
From: Keir Fraser [mailto:keir.fraser@eu.citrix.com]
Sent: Tuesday, June 29, 2010 3:45 PM
To: Huang2, Wei; xen-devel@lists.xensource.com
Subject: Re: APIC error during Xen boot
On 29/06/2010 21:34, "Huang2, Wei" <Wei.Huang2@amd.com> wrote:
> 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.
It should be fixed by changeset 21690.
-- Keir
> 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
>
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-06-29 20:34 APIC error during Xen boot Huang2, Wei
2010-06-29 20:45 ` Keir Fraser
2010-06-29 20:51 ` Huang2, Wei
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