Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 2045949

Summary: kexec-tools fails with "zstd not found" when eliminates squash in kdump.conf
Product: Red Hat Enterprise Linux 9 Reporter: ltao
Component: kexec-toolsAssignee: ltao
Status: CLOSED ERRATA QA Contact: Jie Li <jieli>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 9.0CC: ruyang, xiawu
Target Milestone: rcKeywords: Triaged
Target Release: ---Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: kexec-tools-2.0.25-3.el9 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-05-09 08:14:36 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: 2057980    
Bug Blocks:    

Description ltao 2022-01-26 02:49:09 UTC 
Description of problem:

In bz1896698, zstd has been set as the default compression method for making kdump initramfs. However when eliminates squash in kdump.conf and zstd command not installed, kexec-tools will fail with "zstd not found".

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


How reproducible:
1) uninstall zstd if installed
2) set "dracut_args -o squash" in kdump.conf
3) kdumpctl rebuild


Additional info:
This bz is a follow up for bz1896698, in which "--compress zstd" will be appended to dracut cmdline if users have not specified the compress method for kdump initramfs.

It will make dracut to decide: a) if dracut module squash is added, libzstd will be used, b) otherwise cmd zstd will be used. However is_squash_available can only check if the kernel supports squashfs, it cannot check if libzstd or cmd zstd is used at runtime.

As a result, when cmd zstd not installed, and squash is eliminated, is_squash_available check still will pass, and the kexec-tools will fail.

Currently the workaround is to ensure zstd is installed.
Comment 6 errata-xmlrpc 2023-05-09 08:14:36 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-2023:2463