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Bug 1613950 - Tuned hangs with cpu-partitioning and offlined cpu(s) [rhel-7.4.z]
Summary: Tuned hangs with cpu-partitioning and offlined cpu(s) [rhel-7.4.z]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: tuned
Version: 7.4
Hardware: Unspecified
OS: Unspecified
urgent
unspecified
Target Milestone: rc
: ---
Assignee: Jaroslav Škarvada
QA Contact: Tereza Cerna
URL:
Whiteboard:
Depends On: 1613478
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-08-08 15:46 UTC by Jaroslav Reznik
Modified: 2018-09-25 20:44 UTC (History)
8 users (show)

Fixed In Version: tuned-2.8.0-5.el7_4.3
Doc Type: If docs needed, set a value
Doc Text:
Previously, setting the cpu-partitioning Tuned profile caused the tuned service to become unresponsive if a CPU was set offline. With this update, the problem has been fixed, and tuned no longer hangs after selecting cpu-partitioning when a CPU is offline.
Clone Of: 1613478
Environment:
Last Closed: 2018-09-25 20:44:54 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:2774 0 None None None 2018-09-25 20:44:57 UTC

Description Jaroslav Reznik 2018-08-08 15:46:45 UTC 
This bug has been copied from bug #1613478 and has been proposed to be backported to 7.4 z-stream (EUS).
Comment 3 Tereza Cerna 2018-09-04 13:02:40 UTC 
The problem mentioned in parent bug description wasn't reproduced on RHEL-7.4. But it is possible to find this problem on this system, because using file /sys/devices/system/cpu/present instead of /sys/devices/system/cpu/online can leads to errors. 

Patch tuned-2.8.0-use-online-cpus.patch was applied in tuned-2.8.0-5.el7_4.3 (prepared package for rhel-7.4.eus in ER#35664). All regression and sanity test cases passed and worked well.
Comment 5 errata-xmlrpc 2018-09-25 20:44:54 UTC 
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.

https://access.redhat.com/errata/RHBA-2018:2774
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