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Libvirt was "reading" an incorrect number of sockets/cores.A version of the hypervisor was showing incorrect CPU information when checked using the "View CPU Details" button. The errors included showing the incorrect number of sockets or cores. It was found that hosts with multiple numa nodes could end up reporting incorrect information in the libvirt capabilities' <topology> tag.
This has been fixed through a more in depth parsing, and the correct information is now displayed.
This bug is currently attached to errata RHBA-2013:15277. If this change is not to be documented in the text for this errata please either remove it from the errata, set the requires_doc_text flag to minus (-), or leave a "Doc Text" value of "--no tech note required" if you do not have permission to alter the flag.
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* Cause: What actions or circumstances cause this bug to present.
* Consequence: What happens when the bug presents.
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Thanks in advance.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2014-0033.html
Description of problem: Libvirt seems to be "reading" a wrong number of sockets/cores. HP ProLiant DL380p Gen8 server with two sockets / 8 cores (16 cores total) the RHEV Hypervisor shows 1 socket and 8 cores. Version-Release number of selected component (if applicable): RHEV 3.2 How reproducible: Steps to Reproduce: 1. Check the number of sockets/cores from RHEV-H. 2. Check the output of vdsClient -s 0 getVdsCaps 3. Check the output of conn.getCapabilities() Actual results: 1 socket and 8 cores Expected results: 2 sockets and 8 cores Additional info: CAPABILITIES OUTPUT: [root@dppurhvv01 tmp]# python CPUInfo.py <capabilities> <host> <uuid>6a5ec57d-afb7-4295-a1a7-ce0f440113ef</uuid> <cpu> <arch>x86_64</arch> <model>SandyBridge</model> <vendor>Intel</vendor> <topology sockets='1' cores='8' threads='2'/> <feature name='pdpe1gb'/> <feature name='osxsave'/> <feature name='dca'/> <feature name='pcid'/> <feature name='pdcm'/> <feature name='xtpr'/> <feature name='tm2'/> <feature name='est'/> <feature name='smx'/> <feature name='vmx'/> <feature name='ds_cpl'/> <feature name='monitor'/> <feature name='dtes64'/> <feature name='pbe'/> <feature name='tm'/> <feature name='ht'/> <feature name='ss'/> <feature name='acpi'/> <feature name='ds'/> <feature name='vme'/> </cpu> <power_management/> <migration_features> <live/> <uri_transports> <uri_transport>tcp</uri_transport> </uri_transports> </migration_features> <topology> <cells num='2'> <cell id='0'> <cpus num='16'> <cpu id='0' socket_id='0' core_id='0' siblings='0,16'/> <cpu id='1' socket_id='0' core_id='1' siblings='1,17'/> <cpu id='2' socket_id='0' core_id='2' siblings='2,18'/> <cpu id='3' socket_id='0' core_id='3' siblings='3,19'/> <cpu id='4' socket_id='0' core_id='4' siblings='4,20'/> <cpu id='5' socket_id='0' core_id='5' siblings='5,21'/> <cpu id='6' socket_id='0' core_id='6' siblings='6,22'/> <cpu id='7' socket_id='0' core_id='7' siblings='7,23'/> <cpu id='16' socket_id='0' core_id='0' siblings='0,16'/> <cpu id='17' socket_id='0' core_id='1' siblings='1,17'/> <cpu id='18' socket_id='0' core_id='2' siblings='2,18'/> <cpu id='19' socket_id='0' core_id='3' siblings='3,19'/> <cpu id='20' socket_id='0' core_id='4' siblings='4,20'/> <cpu id='21' socket_id='0' core_id='5' siblings='5,21'/> <cpu id='22' socket_id='0' core_id='6' siblings='6,22'/> <cpu id='23' socket_id='0' core_id='7' siblings='7,23'/> </cpus> </cell> <cell id='1'> <cpus num='16'> <cpu id='8' socket_id='1' core_id='0' siblings='8,24'/> <cpu id='9' socket_id='1' core_id='1' siblings='9,25'/> <cpu id='10' socket_id='1' core_id='2' siblings='10,26'/> <cpu id='11' socket_id='1' core_id='3' siblings='11,27'/> <cpu id='12' socket_id='1' core_id='4' siblings='12,28'/> <cpu id='13' socket_id='1' core_id='5' siblings='13,29'/> <cpu id='14' socket_id='1' core_id='6' siblings='14,30'/> <cpu id='15' socket_id='1' core_id='7' siblings='15,31'/> <cpu id='24' socket_id='1' core_id='0' siblings='8,24'/> <cpu id='25' socket_id='1' core_id='1' siblings='9,25'/> <cpu id='26' socket_id='1' core_id='2' siblings='10,26'/> <cpu id='27' socket_id='1' core_id='3' siblings='11,27'/> <cpu id='28' socket_id='1' core_id='4' siblings='12,28'/> <cpu id='29' socket_id='1' core_id='5' siblings='13,29'/> <cpu id='30' socket_id='1' core_id='6' siblings='14,30'/> <cpu id='31' socket_id='1' core_id='7' siblings='15,31'/> </cpus> </cell> </cells> </topology> <secmodel> <model>selinux</model> <doi>0</doi> </secmodel> <secmodel> <model>dac</model> <doi>0</doi> </secmodel> </host> <guest> <os_type>hvm</os_type> <arch name='i686'> <wordsize>32</wordsize> <emulator>/usr/libexec/qemu-kvm</emulator> <machine>rhel6.4.0</machine> <machine canonical='rhel6.4.0'>pc</machine> <machine>rhel6.3.0</machine> <machine>rhel6.2.0</machine> <machine>rhel6.1.0</machine> <machine>rhel6.0.0</machine> <machine>rhel5.5.0</machine> <machine>rhel5.4.4</machine> <machine>rhel5.4.0</machine> <domain type='qemu'> </domain> <domain type='kvm'> <emulator>/usr/libexec/qemu-kvm</emulator> </domain> </arch> <features> <cpuselection/> <deviceboot/> <acpi default='on' toggle='yes'/> <apic default='on' toggle='no'/> <pae/> <nonpae/> </features> </guest> <guest> <os_type>hvm</os_type> <arch name='x86_64'> <wordsize>64</wordsize> <emulator>/usr/libexec/qemu-kvm</emulator> <machine>rhel6.4.0</machine> <machine canonical='rhel6.4.0'>pc</machine> <machine>rhel6.3.0</machine> <machine>rhel6.2.0</machine> <machine>rhel6.1.0</machine> <machine>rhel6.0.0</machine> <machine>rhel5.5.0</machine> <machine>rhel5.4.4</machine> <machine>rhel5.4.0</machine> <domain type='qemu'> </domain> <domain type='kvm'> <emulator>/usr/libexec/qemu-kvm</emulator> </domain> </arch> <features> <cpuselection/> <deviceboot/> <acpi default='on' toggle='yes'/> <apic default='on' toggle='no'/> </features> </guest> </capabilities> CPU Name: Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz CPU Type: Intel SandyBridge CPU Sockets: 1 CPU Cores: 8 ========================================================= VDSCLIENT OUTPUT: [root@dppurhvv01 ~]# vdsClient -s 0 getVdsCaps HBAInventory = {'iSCSI': [{'InitiatorName': 'iqn.1994-05.com.redhat:987b2f9816e6'}], 'FC': []} ISCSIInitiatorName = iqn.1994-05.com.redhat:987b2f9816e6 bondings = {'bond4': {'addr': '', 'cfg': {}, 'mtu': '1500', 'netmask': '', 'slaves': [], 'hwaddr': '00:00:00:00:00:00'}, 'bond0': {'addr': '', 'cfg': {'PEERDNS': 'no', 'NM_CONTROLLED': 'no', 'STP': 'no', 'BONDING_OPTS': 'mode=1 miimon=100', 'DEVICE': 'bond0', 'ONBOOT': 'yes'}, 'mtu': '1500', 'netmask': '', 'slaves': ['eth4', 'eth6'], 'hwaddr': 'd8:9d:67:6f:5c:b0'}, 'bond1': {'addr': '', 'cfg': {'DEVICE': 'bond1', 'NM_CONTROLLED': 'no', 'STP': 'no', 'ONBOOT': 'yes', 'BONDING_OPTS': 'mode=1 miimon=100'}, 'mtu': '1500', 'netmask': '', 'slaves': ['eth5', 'eth7'], 'hwaddr': 'd8:9d:67:6f:5c:b4'}, 'bond2': {'addr': '', 'cfg': {}, 'mtu': '1500', 'netmask': '', 'slaves': [], 'hwaddr': '00:00:00:00:00:00'}, 'bond3': {'addr': '', 'cfg': {}, 'mtu': '1500', 'netmask': '', 'slaves': [], 'hwaddr': '00:00:00:00:00:00'}} bridges = {'rhevm': {'addr': '10.255.6.3', 'cfg': {'IPADDR': '10.255.6.3', 'PEERDNS': 'no', 'ONBOOT': 'yes', 'DELAY': '0', 'NM_CONTROLLED': 'no', 'NETMASK': '255.255.255.0', 'BOOTPROTO': 'none', 'STP': 'no', 'DEVICE': 'rhevm', 'TYPE': 'Bridge', 'GATEWAY': '10.255.6.254'}, 'mtu': '1500', 'netmask': '255.255.255.0', 'stp': 'off', 'ports': ['bond0.106']}, 'vlan101': {'addr': '', 'cfg': {'DELAY': '0', 'NM_CONTROLLED': 'no', 'STP': 'no', 'DEVICE': 'vlan101', 'TYPE': 'Bridge', 'ONBOOT': 'yes'}, 'mtu': '1500', 'netmask': '', 'stp': 'off', 'ports': ['bond1.101']}} clusterLevels = ['3.0', '3.1', '3.2'] cpuCores = 16 cpuFlags = fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,dts,acpi,mmx,fxsr,sse,sse2,ss,ht,tm,pbe,syscall,nx,pdpe1gb,rdtscp,lm,constant_tsc,arch_perfmon,pebs,bts,rep_good,xtopology,nonstop_tsc,aperfmperf,pni,pclmulqdq,dtes64,monitor,ds_cpl,vmx,smx,est,tm2,ssse3,cx16,xtpr,pdcm,pcid,dca,sse4_1,sse4_2,x2apic,popcnt,tsc_deadline_timer,aes,xsave,avx,lahf_lm,ida,arat,epb,xsaveopt,pln,pts,dts,tpr_shadow,vnmi,flexpriority,ept,vpid,model_Nehalem,model_Conroe,model_coreduo,model_core2duo,model_Penryn,model_Westmere,model_n270,model_SandyBridge cpuModel = Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz cpuSockets = 2 cpuSpeed = 2194.715 cpuThreads = 32 emulatedMachines = ['rhel6.4.0', 'pc', 'rhel6.3.0', 'rhel6.2.0', 'rhel6.1.0', 'rhel6.0.0', 'rhel5.5.0', 'rhel5.4.4', 'rhel5.4.0'] guestOverhead = 65 hooks = {'before_vm_start': {'50_vhostmd': {'md5': 'f3ee6dbf6fbd01333bd3e32afec4fbba'}}, 'after_vm_destroy': {'50_vhostmd': {'md5': '5662659ddc999e23946a1f6cf7a73796'}}, 'before_vm_dehibernate': {'50_vhostmd': {'md5': 'f3ee6dbf6fbd01333bd3e32afec4fbba'}}, 'before_vm_migrate_destination': {'50_vhostmd': {'md5': 'f3ee6dbf6fbd01333bd3e32afec4fbba'}}} kvmEnabled = true lastClient = 10.1.0.23 lastClientIface = rhevm management_ip = memSize = 129031 netConfigDirty = False networks = {'rhevm': {'iface': 'rhevm', 'addr': '10.255.6.3', 'cfg': {'IPADDR': '10.255.6.3', 'PEERDNS': 'no', 'ONBOOT': 'yes', 'DELAY': '0', 'NM_CONTROLLED': 'no', 'NETMASK': '255.255.255.0', 'BOOTPROTO': 'none', 'STP': 'no', 'DEVICE': 'rhevm', 'TYPE': 'Bridge', 'GATEWAY': '10.255.6.254'}, 'mtu': '1500', 'netmask': '255.255.255.0', 'stp': 'off', 'bridged': True, 'gateway': '10.255.6.254', 'ports': ['bond0.106']}, 'vlan101': {'iface': 'vlan101', 'addr': '', 'cfg': {'DELAY': '0', 'NM_CONTROLLED': 'no', 'STP': 'no', 'DEVICE': 'vlan101', 'TYPE': 'Bridge', 'ONBOOT': 'yes'}, 'mtu': '1500', 'netmask': '', 'stp': 'off', 'bridged': True, 'gateway': '0.0.0.0', 'ports': ['bond1.101']}} nics = {'eth7': {'permhwaddr': 'AC:16:2D:81:F4:34', 'addr': '', 'cfg': {'SLAVE': 'yes', 'ONBOOT': 'yes', 'NM_CONTROLLED': 'no', 'STP': 'no', 'HWADDR': 'ac:16:2d:81:f4:34', 'MASTER': 'bond1', 'DEVICE': 'eth7'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:6f:5c:b4', 'speed': 10000}, 'eth6': {'permhwaddr': 'AC:16:2D:81:F4:30', 'addr': '', 'cfg': {'SLAVE': 'yes', 'PEERDNS': 'no', 'ONBOOT': 'yes', 'NM_CONTROLLED': 'no', 'MASTER': 'bond0', 'HWADDR': 'ac:16:2d:81:f4:30', 'STP': 'no', 'DEVICE': 'eth6'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:6f:5c:b0', 'speed': 10000}, 'eth5': {'permhwaddr': 'D8:9D:67:6F:5C:B4', 'addr': '', 'cfg': {'SLAVE': 'yes', 'ONBOOT': 'yes', 'NM_CONTROLLED': 'no', 'STP': 'no', 'HWADDR': 'd8:9d:67:6f:5c:b4', 'MASTER': 'bond1', 'DEVICE': 'eth5'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:6f:5c:b4', 'speed': 10000}, 'eth4': {'permhwaddr': 'D8:9D:67:6F:5C:B0', 'addr': '', 'cfg': {'SLAVE': 'yes', 'PEERDNS': 'no', 'ONBOOT': 'yes', 'NM_CONTROLLED': 'no', 'MASTER': 'bond0', 'HWADDR': 'd8:9d:67:6f:5c:b0', 'STP': 'no', 'DEVICE': 'eth4'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:6f:5c:b0', 'speed': 10000}, 'eth3': {'addr': '', 'cfg': {'DEVICE': 'eth3', 'HWADDR': 'd8:9d:67:1d:8c:1b', 'ONBOOT': 'no', 'PEERDNS': 'no'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:1d:8c:1b', 'speed': 0}, 'eth2': {'addr': '', 'cfg': {'DEVICE': 'eth2', 'HWADDR': 'd8:9d:67:1d:8c:1a', 'ONBOOT': 'no', 'PEERDNS': 'no'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:1d:8c:1a', 'speed': 0}, 'eth1': {'addr': '', 'cfg': {'DEVICE': 'eth1', 'HWADDR': 'd8:9d:67:1d:8c:19', 'ONBOOT': 'no', 'PEERDNS': 'no'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:1d:8c:19', 'speed': 0}, 'eth0': {'addr': '', 'cfg': {'DEVICE': 'eth0', 'HWADDR': 'd8:9d:67:1d:8c:18', 'ONBOOT': 'no', 'PEERDNS': 'no'}, 'mtu': '1500', 'netmask': '', 'hwaddr': 'd8:9d:67:1d:8c:18', 'speed': 0}} operatingSystem = {'release': '20130528.0.el6_4', 'version': '6.4', 'name': 'RHEV Hypervisor'} packages2 = {'kernel': {'release': '358.11.1.el6.x86_64', 'buildtime': 1368614918.0, 'version': '2.6.32'}, 'spice-server': {'release': '12.el6_4.1', 'buildtime': 1368193709, 'version': '0.12.0'}, 'vdsm': {'release': '22.0.el6ev', 'buildtime': 1369666818, 'version': '4.10.2'}, 'qemu-kvm': {'release': '2.355.el6_4.3', 'buildtime': 1365612567, 'version': '0.12.1.2'}, 'libvirt': {'release': '18.el6_4.5', 'buildtime': 1367575213, 'version': '0.10.2'}, 'qemu-img': {'release': '2.355.el6_4.3', 'buildtime': 1365612567, 'version': '0.12.1.2'}} reservedMem = 321 software_revision = 22.0 software_version = 4.10 supportedENGINEs = ['3.0', '3.1', '3.2'] supportedProtocols = ['2.2', '2.3'] supportedRHEVMs = ['3.0'] uuid = 32333536-3030-5A43-3233-323330314A4C version_name = Snow Man vlans = {'bond0.106': {'cfg': {'BRIDGE': 'rhevm', 'VLAN': 'yes', 'PEERDNS': 'no', 'NM_CONTROLLED': 'no', 'STP': 'no', 'DEVICE': 'bond0.106', 'ONBOOT': 'yes'}, 'netmask': '', 'iface': 'bond0', 'addr': '', 'mtu': '1500'}, 'bond1.101': {'cfg': {'BRIDGE': 'vlan101', 'VLAN': 'yes', 'NM_CONTROLLED': 'no', 'STP': 'no', 'DEVICE': 'bond1.101', 'ONBOOT': 'yes'}, 'netmask': '', 'iface': 'bond1', 'addr': '', 'mtu': '1500'}} vmTypes = ['kvm']