Bug 1847538

Summary:	help -m showing incorrect hz value for ppc64le
Product:	Red Hat Enterprise Linux 8	Reporter:	John Pittman <jpittman>
Component:	crash	Assignee:	lijiang
Status:	CLOSED ERRATA	QA Contact:	xiaoying yan <yiyan>
Severity:	low	Docs Contact:
Priority:	low
Version:	8.3	CC:	kdump-bugs, rgirase, ruyang, xiawu, yiyan
Target Milestone:	rc	Keywords:	Triaged
Target Release:	8.3	Flags:	pm-rhel: mirror+
Hardware:	ppc64le
OS:	Linux
Whiteboard:
Fixed In Version:	crash-7.3.0-2.el8	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:
Clones:	1895240 (view as bug list)		Environment:
Last Closed:	2021-11-09 18:08:37 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:
Bug Depends On:
Bug Blocks:	1674330, 1853986, 1894575, 1895240

Description John Pittman 2020-06-16 15:09:33 UTC

Description of problem:

help -m showing incorrect hz value for ppc64le ; hz for ppc64le is 100.

crash> help -m
              flags: 124000f5 (KSYMS_START|MACHDEP_BT_TEXT|VM_4_LEVEL|VMEMMAP|VMEMMAP_AWARE|PHYS_ENTRY_L4|SWAP_ENTRY_L4|RADIX_MMU|OPAL_FW)
             kvbase: c000000000000000
  identity_map_base: c000000000000000
           pagesize: 65536
          pageshift: 16
           pagemask: ffffffffffff0000
         pageoffset: ffff
          stacksize: 16384
                 hz: 1000
                mhz: 2800
....

[host@rhel7]$ grep CONFIG_HZ_100= redhat/configs/kernel-3.10.0-ppc64le.config
CONFIG_HZ_100=y

Version-Release number of selected component (if applicable):

kernel-3.10.0-957.10.1.el7.ppc64le
crash-7.2.6-2.el7.ppc64le

Actual results:

hz shows 1000

Expected results:

hz should show 100

Comment 18 Bhupesh Sharma 2021-01-12 05:56:43 UTC

v1 patch sent upstream to fix this issue:
https://www.redhat.com/archives/crash-utility/2021-January/msg00016.html

Comment 36 errata-xmlrpc 2021-11-09 18:08:37 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 (crash bug fix and enhancement update), 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-2021:4199