Re: [Xen-devel] [PATCH] xend: fix best NUMA node allocation

[Bruce Edge <bruce.edge@xxxxxxxxx>]

Even with this patch applied I'm still seeing the cpu_to_node key
errors in the xen-unstable build:

[2010-05-28 02:14:42 3313] ERROR (xmlrpclib2:178) Internal error
handling xend.domain.create
Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/xen/util/xmlrpclib2.py",
line 131, in _marshaled_dispatch
    response = self._dispatch(method, params)
  File "/usr/lib/python2.6/SimpleXMLRPCServer.py", line 418, in _dispatch
    return func(*params)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/server/XMLRPCServer.py",
line 80, in domain_create
    info = XendDomain.instance().domain_create(config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomain.py",
line 982, in domain_create
    dominfo = XendDomainInfo.create(config)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomainInfo.py",
line 106, in create
    vm.start()
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomainInfo.py",
line 470, in start
    XendTask.log_progress(0, 30, self._constructDomain)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendTask.py",
line 209, in log_progress
    retval = func(*args, **kwds)
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/XendDomainInfo.py",
line 2530, in _constructDomain
    balloon.free(16*1024, self) # 16MB should be plenty
  File "/usr/local/lib/python2.6/dist-packages/xen/xend/balloon.py",
line 187, in free
    nodenum = xc.numainfo()['cpu_to_node'][cpu]
KeyError: 'cpu_to_node'

xen_major              : 4
xen_minor              : 1
xen_extra              : -unstable
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Sat May 22 06:36:41 2010 +0100 21446:93410e5e4ad8
xen_commandline        : dummy=dummy console=com1 115200,8n1
dom0_mem=512M dom0_max_vcpus=1 dom0_vcpus_pin=true
iommu=1,passthrough,no-intremap loglvl=all loglvl_guest=all loglevl=10
debug acpi=force apic=on apic_verbosity=verbose
cc_compiler            : gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4)
cc_compile_by          : bedge
cc_compile_domain      :
cc_compile_date        : Tue May 25 14:51:02 PDT 2010
xend_config_format     : 4


-Bruce


On Thu, Apr 15, 2010 at 7:05 AM, Andre Przywara <andre.przywara@xxxxxxx> wrote:
>
> Hi,
>
> since we moved several NUMA info fields from physinfo into separate 
> functions/structures, we must adapt the node picking algorithm, too.
> Currently xm create complains about undefined hash values.
> The patch uses the new Python xc binding to get the information and create a 
> reverse mapping for node_to_cpu, since we now only have a cpu_to_node field.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
>
> --
> Andre Przywara
> AMD-Operating System Research Center (OSRC), Dresden, Germany
> Tel: +49 351 448-3567-12
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>

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