Bug 1310259

Summary:	numad -w fails
Product:	Red Hat Enterprise Linux 7	Reporter:	Jiri Hladky <jhladky>
Component:	numad	Assignee:	Bill Gray <bgray>
Status:	CLOSED DUPLICATE	QA Contact:	qe-baseos-daemons
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	7.2	CC:	bgray, jscotka, jsynacek
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-07-11 07:17:40 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jiri Hladky 2016-02-19 22:06:46 UTC

Description of problem:

On RHEL7.2 when executing

numad -w 4

I will get

Floating point exception


How reproducible:
On some NUMA server execute
numad -w 4


Actual results:
Floating point exception

Expected results:

List of NUMA nodes where to run the job

Comment 2 Jan Synacek 2016-02-22 07:54:24 UTC

Can be easily reproduced on a VM.

numad-0.5-14.20140620git.el7.x86_64

Comment 3 Jan Synacek 2016-02-22 07:58:10 UTC

$ numad -w 4
Mon Feb 22 08:57:48 2016: Cannot open numad log file -- using stderr
Mon Feb 22 08:57:50 2016: Getting NUMA pre-placement advice for 400 CPUs and 0 MBs
Floating point exception (core dumped)


$ sudo numad -w 4
<no output>

Looking at the logs, I can see

Feb 22 08:56:31 rhel7-virt kernel: traps: numad[8794] trap divide error ip:407470 sp:7ffebf9b5070 error:0 in numad[400000+c000]

Comment 4 Jan Synacek 2016-07-11 07:17:40 UTC


*** This bug has been marked as a duplicate of bug 1281711 ***