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Bug 1582416 - virsh capabilities reports invalid values for 4K pages [rhel-7.4.z]
Summary: virsh capabilities reports invalid values for 4K pages [rhel-7.4.z]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libvirt
Version: 7.4
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Michal Privoznik
QA Contact: Jing Qi
URL:
Whiteboard:
Depends On: 1569678
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-05-25 07:20 UTC by Oneata Mircea Teodor
Modified: 2022-07-09 09:57 UTC (History)
12 users (show)

Fixed In Version: libvirt-3.2.0-14.el7_4.11
Doc Type: Bug Fix
Doc Text:
The "virsh capabilities" command previously displayed an inaccurate number of 4 KiB memory pages on systems with very large amounts of memory. This update optimizes the memory diagnostic mechanism to ensure memory page numbers are displayed correctly on such systems.
Clone Of: 1569678
Environment:
Last Closed: 2018-06-26 16:22:48 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2006 0 None None None 2018-06-26 16:23:47 UTC

Description Oneata Mircea Teodor 2018-05-25 07:20:09 UTC 
This bug has been copied from bug #1569678 and has been proposed to be backported to 7.4 z-stream (EUS).
Comment 3 Michal Privoznik 2018-05-25 12:49:42 UTC 
To POST:

http://post-office.corp.redhat.com/archives/rhvirt-patches/2018-May/msg00789.html

Scratch build:


https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=16461584
Comment 5 Jing Qi 2018-06-12 09:04:40 UTC 
Verified with libvirt-3.2.0-14.virtcov.el7_4.11.x86_64
 version on RHEL7.4 (3.10.0-693.el7.x86_64). The data for 4K pages are correct.
   # virsh capabilities
        <cell id='0'>
          <memory unit='KiB'>16681308</memory>
          <pages unit='KiB' size='4'>2073175</pages>
          <pages unit='KiB' size='1048576'>8</pages>
          <distances>
            <sibling id='0' value='10'/>
            <sibling id='1' value='21'/>
          </distances>
          <cpus num='16'>
            <cpu id='0' socket_id='0' core_id='0' siblings='0,16'/>
            ...
          </cpus>
        </cell>
        <cell id='1'>
          <memory unit='KiB'>16777216</memory>
          <pages unit='KiB' size='4'>524288</pages>
          <pages unit='KiB' size='1048576'>14</pages>
          <distances>
            <sibling id='0' value='21'/>
            <sibling id='1' value='10'/>
          </distances>
          <cpus num='16'>
            <cpu id='1' socket_id='1' core_id='0' siblings='1,17'/>
            ...
          </cpus>
        </cell>
    
    #virsh freepages --all
        Node 0:
       4KiB: 1815163
      1048576KiB: 8

     Node 1:
     4KiB: 288599
     1048576KiB: 14
Comment 7 errata-xmlrpc 2018-06-26 16:22:48 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/RHSA-2018:2006
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