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Message #52464
[Bug 1593526] [NEW] compute host reports wrong cpu topology
Public bug reported:
This is my host's cpu:
ubuntu@jfz1r04h06:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 72
On-line CPU(s) list: 0-71
Thread(s) per core: 2
Core(s) per socket: 18
Socket(s): 2
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 63
Model name: Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz
Stepping: 2
CPU MHz: 1209.386
CPU max MHz: 3600.0000
CPU min MHz: 1200.0000
BogoMIPS: 4590.93
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 46080K
NUMA node0 CPU(s): 0-71
Flags: 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 nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm xsaveopt cqm_llc cqm_occup_llc dtherm ida arat pln pts
Seen from nova-scheduler.
Update host state from compute node:
ComputeNode(cpu_allocation_ratio=16.0,cpu_info='{"vendor": "Intel",
"model": "Haswell-noTSX", "arch": "x86_64", "features": ["pge", "avx",
"xsaveopt", "clflush", "sep", "syscall", "tsc_adjust", "vme", "dtes64",
"invpcid", "msr", "sse", "xsave", "vmx", "erms", "xtpr", "cmov", "smep",
"nx", "est", "pat", "monitor", "smx", "pbe", "lm", "tsc", "fpu", "fxsr",
"tm", "sse4.1", "pae", "sse4.2", "pclmuldq", "pcid", "fma", "tsc-
deadline", "mmx", "osxsave", "cx8", "mce", "de", "tm2", "ht", "dca",
"pni", "abm", "popcnt", "mca", "pdpe1gb", "apic", "fsgsbase", "f16c",
"pse", "ds", "invtsc", "lahf_lm", "aes", "avx2", "sse2", "ss", "ds_cpl",
"arat", "bmi1", "bmi2", "acpi", "ssse3", "rdtscp", "cx16", "pse36",
"mtrr", "movbe", "pdcm", "rdrand", "x2apic"], "topology": {"cores": 18,
"cells": 1, "threads": 2, "sockets": 1}}'
Expected result
===============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 2}}'
<<--------------
Actual result
=============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 1}}'
This is most likely libvirt bug, reported here :
https://bugzilla.redhat.com/show_bug.cgi?id=1347458
** Affects: nova
Importance: High
Assignee: Eli Qiao (taget-9)
Status: New
** Tags: libvirt
** Tags added: libvirt
** Changed in: nova
Assignee: (unassigned) => Eli Qiao (taget-9)
** Changed in: nova
Importance: Undecided => High
** Description changed:
This is my host's cpu:
ubuntu@jfz1r04h06:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 72
On-line CPU(s) list: 0-71
Thread(s) per core: 2
Core(s) per socket: 18
Socket(s): 2
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 63
Model name: Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz
Stepping: 2
CPU MHz: 1209.386
CPU max MHz: 3600.0000
CPU min MHz: 1200.0000
BogoMIPS: 4590.93
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 46080K
NUMA node0 CPU(s): 0-71
Flags: 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 nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm xsaveopt cqm_llc cqm_occup_llc dtherm ida arat pln pts
-
- Seem from nova.
+ Seen from nova-scheduler.
Update host state from compute node:
ComputeNode(cpu_allocation_ratio=16.0,cpu_info='{"vendor": "Intel",
"model": "Haswell-noTSX", "arch": "x86_64", "features": ["pge", "avx",
"xsaveopt", "clflush", "sep", "syscall", "tsc_adjust", "vme", "dtes64",
"invpcid", "msr", "sse", "xsave", "vmx", "erms", "xtpr", "cmov", "smep",
"nx", "est", "pat", "monitor", "smx", "pbe", "lm", "tsc", "fpu", "fxsr",
"tm", "sse4.1", "pae", "sse4.2", "pclmuldq", "pcid", "fma", "tsc-
deadline", "mmx", "osxsave", "cx8", "mce", "de", "tm2", "ht", "dca",
"pni", "abm", "popcnt", "mca", "pdpe1gb", "apic", "fsgsbase", "f16c",
"pse", "ds", "invtsc", "lahf_lm", "aes", "avx2", "sse2", "ss", "ds_cpl",
"arat", "bmi1", "bmi2", "acpi", "ssse3", "rdtscp", "cx16", "pse36",
"mtrr", "movbe", "pdcm", "rdrand", "x2apic"], "topology": {"cores": 18,
"cells": 1, "threads": 2, "sockets": 1}}'
Expected result
===============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 2}}'
<<--------------
Actual result
=============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 1}}'
-
- This is most likely libvirt bug, reported here : https://bugzilla.redhat.com/show_bug.cgi?id=1347458
+ This is most likely libvirt bug, reported here :
+ https://bugzilla.redhat.com/show_bug.cgi?id=1347458
--
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1593526
Title:
compute host reports wrong cpu topology
Status in OpenStack Compute (nova):
New
Bug description:
This is my host's cpu:
ubuntu@jfz1r04h06:~$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 72
On-line CPU(s) list: 0-71
Thread(s) per core: 2
Core(s) per socket: 18
Socket(s): 2
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 63
Model name: Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz
Stepping: 2
CPU MHz: 1209.386
CPU max MHz: 3600.0000
CPU min MHz: 1200.0000
BogoMIPS: 4590.93
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 46080K
NUMA node0 CPU(s): 0-71
Flags: 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 nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm epb tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm xsaveopt cqm_llc cqm_occup_llc dtherm ida arat pln pts
Seen from nova-scheduler.
Update host state from compute node:
ComputeNode(cpu_allocation_ratio=16.0,cpu_info='{"vendor": "Intel",
"model": "Haswell-noTSX", "arch": "x86_64", "features": ["pge", "avx",
"xsaveopt", "clflush", "sep", "syscall", "tsc_adjust", "vme",
"dtes64", "invpcid", "msr", "sse", "xsave", "vmx", "erms", "xtpr",
"cmov", "smep", "nx", "est", "pat", "monitor", "smx", "pbe", "lm",
"tsc", "fpu", "fxsr", "tm", "sse4.1", "pae", "sse4.2", "pclmuldq",
"pcid", "fma", "tsc-deadline", "mmx", "osxsave", "cx8", "mce", "de",
"tm2", "ht", "dca", "pni", "abm", "popcnt", "mca", "pdpe1gb", "apic",
"fsgsbase", "f16c", "pse", "ds", "invtsc", "lahf_lm", "aes", "avx2",
"sse2", "ss", "ds_cpl", "arat", "bmi1", "bmi2", "acpi", "ssse3",
"rdtscp", "cx16", "pse36", "mtrr", "movbe", "pdcm", "rdrand",
"x2apic"], "topology": {"cores": 18, "cells": 1, "threads": 2,
"sockets": 1}}'
Expected result
===============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 2}}'
<<--------------
Actual result
=============
"topology": {"cores": 18, "cells": 1, "threads": 2, "sockets": 1}}'
This is most likely libvirt bug, reported here :
https://bugzilla.redhat.com/show_bug.cgi?id=1347458
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1593526/+subscriptions
Follow ups
