Bug 2064368

Summary: Enable kdump in the DU profile
Product: OpenShift Container Platform Reporter: OpenShift BugZilla Robot <openshift-bugzilla-robot>
Component: Telco EdgeAssignee: Dahir Osman <dosman>
Telco Edge sub component: ZTP QA Contact: yliu1
Status: CLOSED ERRATA Docs Contact:
Severity: high    
Priority: unspecified CC: dosman, imiller
Version: 4.9   
Target Milestone: ---   
Target Release: 4.10.z   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 2065449 (view as bug list) Environment:
Last Closed: 2022-07-11 15:28:27 UTC Type: ---
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: 2062450, 2064833    
Bug Blocks: 2065449    

Comment 1 yliu1 2022-03-23 16:20:45 UTC 
Verified with 4.10 ztp.

[core@master-2 ~]$ cat /proc/cmdline 
BOOT_IMAGE=(hd0,gpt3)/ostree/rhcos-1c203921981615cc7c6ac73a7a7fd5ad40c72f3c1ea11fad613995a2b93564c7/vmlinuz-4.18.0-305.40.2.rt7.113.el8_4.x86_64 random.trust_cpu=on console=tty0 console=ttyS0,115200n8 ignition.platform.id=metal ostree=/ostree/boot.1/rhcos/1c203921981615cc7c6ac73a7a7fd5ad40c72f3c1ea11fad613995a2b93564c7/0 ip=eno1:dhcp root=UUID=70495d0b-0594-46e4-ac47-cb850ed31773 rw rootflags=prjquota boot=UUID=33a2b178-0565-46cf-87f1-48834eded96a crashkernel=256M skew_tick=1 nohz=on rcu_nocbs=2-39,42-79 tuned.non_isolcpus=00000300,00000003 intel_pstate=disable nosoftlockup tsc=nowatchdog intel_iommu=on iommu=pt isolcpus=managed_irq,2-39,42-79 systemd.cpu_affinity=0,1,40,41 default_hugepagesz=1G hugepagesz=1G hugepages=32 idle=poll rcupdate.rcu_normal_after_boot=0 nohz_full=2-39,42-79
Comment 2 yliu1 2022-03-23 16:40:29 UTC 
Also verified it actually works:

[root@master-2 core]# echo c > /proc/sysrq-trigger

[root@master-2 core]# ls -l /var/crash/
total 0
drwxr-xr-x. 2 root root 67 Mar 23 16:33 127.0.0.1-2022-03-23-16:33:06
Comment 5 errata-xmlrpc 2022-07-11 15:28:27 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 (OpenShift Container Platform 4.10.22 extras 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-2022:5514