Bug 623012

Summary:	lscpu return error after offline cpu
Product:	Red Hat Enterprise Linux 6	Reporter:	lihuang <lihuang>
Component:	util-linux-ng	Assignee:	Karel Zak <kzak>
Status:	CLOSED ERRATA	QA Contact:	qe-baseos-daemons
Severity:	medium	Docs Contact:
Priority:	low
Version:	6.0	CC:	azelinka, ovasik, rvokal
Target Milestone:	rc	Keywords:	RHELNAK
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	util-linux-ng-2.17.2-9.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-05-19 14:06:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description lihuang 2010-08-11 05:18:36 UTC

Description of problem:

[root@dhcp-91-141 images]# lscpu 
Architecture:          x86_64
CPU op-mode(s):        64-bit
CPU(s):                4
Thread(s) per core:    1
Core(s) per socket:    4
CPU socket(s):         1
NUMA node(s):          1
Vendor ID:             AuthenticAMD
CPU family:            16
Model:                 2
Stepping:              3
CPU MHz:               1050.000
Virtualization:        AMD-V
L1d cache:             64K
L1i cache:             64K
L2 cache:              512K
L3 cache:              2048K
NUMA node0 CPU(s):     0-3

[root@dhcp-91-141 images]# grep processor /proc/cpuinfo 
processor       : 0
processor       : 1
processor       : 2
processor       : 3


[root@dhcp-91-141 images]# echo 0 >/sys/devices/system/cpu/cpu3/online 
[root@dhcp-91-141 images]# echo 0 >/sys/devices/system/cpu/cpu2/online 

[root@dhcp-91-141 images]# grep processor /proc/cpuinfo 
processor       : 0
processor       : 1

[root@dhcp-91-141 images]# lscpu 
lscpu: error: cannot open /sys/devices/system/cpu/cpu2/cache/index0/shared_cpu_map: No such file or directory


Version-Release number of selected component (if applicable):
util-linux-ng-2.17.2-5.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 2 RHEL Program Management 2010-08-11 05:38:31 UTC

This issue has been proposed when we are only considering blocker
issues in the current Red Hat Enterprise Linux release.

** If you would still like this issue considered for the current
release, ask your support representative to file as a blocker on
your behalf. Otherwise ask that it be considered for the next
Red Hat Enterprise Linux release. **

Comment 3 Karel Zak 2010-08-11 10:50:06 UTC

Fixed in upstream repository. Thanks for your bug report.

Comment 7 errata-xmlrpc 2011-05-19 14:06:05 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0699.html