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Bug 2141254

Summary:	[s390x] kdump fails over NFS when using persistent NIC name.
Product:	Red Hat Enterprise Linux 8	Reporter:	rcheerla
Component:	kexec-tools	Assignee:	Philipp Rudo <prudo>
Status:	CLOSED ERRATA	QA Contact:	xiaoying yan <yiyan>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	8.7	CC:	coxu, jieli, prudo, ruyang, xiawu
Target Milestone:	rc	Keywords:	Reproducer, Triaged
Target Release:	---	Flags:	pm-rhel: mirror+
Hardware:	Unspecified
OS:	Linux
Whiteboard:
Fixed In Version:	kexec-tools-2.0.25-5.el8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-16 09:02:40 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:

Comment 6 Philipp Rudo 2023-01-13 15:43:40 UTC

quick heads up. The problem I encountered are related to KVM and the fact that KVM guests use different devices than z/VM guests. but that is broken since 'forever' in the old code (the new NM approach is not affected). Apparently nobody ever tested dumping via the network for a KVM guest on s390...

Comment 10 Philipp Rudo 2023-01-17 14:51:03 UTC

Ok, I managed to install RHEL-8.8.0-20230113.0 (kernel: 4.18.0-448.el8.s390x) on a z/VM 6.4.0 system. The ifcfg contains the SUBCHANNELS, OPTIONS and NETTYPE fields. So my best guess for now is that it's a z/VM 6.4.0 vs. z/VM 7.2.0 problem.

Comment 12 Philipp Rudo 2023-01-18 10:30:12 UTC

Patches sent to the mailing list.

@Raju: btw, great analysis of the problem. This really helped!

Comment 21 errata-xmlrpc 2023-05-16 09:02:40 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 (kexec-tools 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-2023:2953