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RE: [Xen-ia64-devel] New error trying to create a domain (usinglatestxen

To: "Kayvan Sylvan" <kayvan@xxxxxxxxx>, "Masaki Kanno" <kanno.masaki@xxxxxxxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-ia64-devel] New error trying to create a domain (usinglatestxend-unstable
From: "Duan, Ronghui" <ronghui.duan@xxxxxxxxx>
Date: Tue, 18 Mar 2008 17:59:52 +0800
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Thread-topic: [Xen-ia64-devel] New error trying to create a domain (usinglatestxend-unstable
I see the info in your "xm info"
>node_to_cpu            : node0:0-7
>                         node1:no cpus
>node_to_memory         : node0:0
>                         node1:14081
This is because your memory and CPU are on different nodes (bad
performance, maybe you want to do any special test). But Xen's code
doesn't init proper node_to_cpu information under this boundary
condition. So when looking for cpus of certain nodes, it finds nothing.
Need to fix this.

>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-ia64-devel-
>bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kayvan Sylvan
>Sent: Tuesday, March 18, 2008 5:26 PM
>To: Masaki Kanno; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: RE: [Xen-ia64-devel] New error trying to create a domain
>(usinglatestxend-unstable
>
>Hmmm... Thank you.
>
>Adding "cpus=" allowed me to create the domain, but I don't understand
why.
>Can you explain it?
>
>The "xm info" output follows:
>
>host                   : superd3p2
>release                : 2.6.18.8-xen
>version                : #3 SMP Tue Mar 18 05:46:19 GMT 2008
>machine                : ia64
>nr_cpus                : 8
>nr_nodes               : 2
>cores_per_socket       : 2
>threads_per_core       : 1
>cpu_mhz                : 1598
>hw_caps                :
>00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000
:
>total_memory           : 16288
>free_memory            : 14081
>node_to_cpu            : node0:0-7
>                         node1:no cpus
>node_to_memory         : node0:0
>                         node1:14081
>xen_major              : 3
>xen_minor              : 3
>xen_extra              : -unstable
>xen_caps               : xen-3.0-ia64 xen-3.0-ia64be hvm-3.0-ia64
hvm-3.0-
>ia64-sioemu
>xen_scheduler          : credit
>xen_pagesize           : 16384
>platform_params        : virt_start=0xf000000000000000
>xen_changeset          : Fri Mar 14 15:07:45 2008 -0600
17209:8c921adf4833
>cc_compiler            : gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)
>cc_compile_by          : root
>cc_compile_domain      : invent.psi.com
>cc_compile_date        : Tue Mar 18 01:17:19 GMT 2008
>xend_config_format     : 4
>
>
>________________________________________
>From: Masaki Kanno [kanno.masaki@xxxxxxxxxxxxxx]
>Sent: Tuesday, March 18, 2008 1:55 AM
>To: Kayvan Sylvan; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-ia64-devel] New error trying to create a domain
(using
>latestxend-unstable
>
>Hi Kayvan,
>
>Could you define "cpus" into the domain configuration file?
> e.g. cpus = "0-3"
>
>And could you show a result of xm info?
>
>Best regards,
> Kan
>
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