Bug 1442600

Summary: When nr_cpus > 1, kdump fails as system reboots after "smpboot: Booting Node 0, Processors #1"
Product: Red Hat Enterprise Linux 7 Reporter: Emma Wu <xiawu>
Component: kexec-toolsAssignee: Xunlei Pang <xlpang>
Status: CLOSED ERRATA QA Contact: Emma Wu <xiawu>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.4CC: bhe, piliu, qzhao, ruyang, xiawu, xlpang, zsun
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard:
Fixed In Version: kexec-tools-2.0.14-18.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-04-10 14:08:47 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: 1469549, 1473055    

Comment 2 Baoquan He 2017-04-18 03:03:13 UTC 
amd iommu is deployed on that machine, and its support for kdump has not beed provided. 

Hi Emma, when you add amd_iommu=off into cmdline of 1st kernel, does it work well?

Thanks
Baoquan
Comment 3 Baoquan He 2017-04-18 03:03:45 UTC 
And, with nr_cpus=1, it works?
Comment 12 errata-xmlrpc 2018-04-10 14:08:47 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-2018:0807