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 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
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 > > >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
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 > > >_______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel