Bug 1310259 - numad -w fails
Summary: numad -w fails
Keywords:
Status: CLOSED DUPLICATE of bug 1281711
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: numad
Version: 7.2
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Bill Gray
QA Contact: qe-baseos-daemons
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-02-19 22:06 UTC by Jiri Hladky
Modified: 2016-07-11 15:04 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-07-11 07:17:40 UTC
Target Upstream Version:

Attachments (Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

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 ***
Note You need to log in before you can comment on or make changes to this bug.