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Bug 2054092 - dracut fails with module 'network-legacy' cannot be found or installed.
Summary: dracut fails with module 'network-legacy' cannot be found or installed.
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: dracut
Version: CentOS Stream
Hardware: x86_64
OS: Unspecified
unspecified
medium
Target Milestone: rc
: ---
Assignee: Lukáš Nykrýn
QA Contact: qe-baseos-daemons
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-02-14 07:14 UTC by Lars
Modified: 2022-03-23 12:46 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-02-24 11:22:05 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 2007312 1 high CLOSED 50-network-legacy.conf not removed upon dracut-network removal 2024-12-20 21:11:02 UTC
Red Hat Issue Tracker RHELPLAN-112113 0 None None None 2022-02-14 07:24:39 UTC

Description Lars 2022-02-14 07:14:26 UTC 
Description of problem:

dracut fails with module 'network-legacy' cannot be found or installed after upgrading from 049-191.git20210920.el8 to 049-201.git20220131.el8.


Version-Release number of selected component (if applicable):
dracut-network-049-201.git20220131.el8.x86_64
dracut-squash-049-201.git20220131.el8.x86_64
dracut-049-201.git20220131.el8.x86_64



Steps to Reproduce:
1. Create an /etc/dracut.conf.d/50-network-legacy.conf file which might be exist on upgraded/patched systems.

$ cat /etc/dracut.conf.d/50-network-legacy.conf
# Since rhel-8.3 dracut moved to use NetworkManager
# On existing installations we want to preserve the old scripts
add_dracutmodules+=" network-legacy "

2. Update dracut
3. dracut -f

Actual results:
$ sudo dracut -f
dracut: dracut module 'network-legacy' cannot be found or installed.

Expected results:
dracut builds the initramfs


Additional info:
This might be related https://bugzilla.redhat.com/show_bug.cgi?id=2007312 but it happens even with installed dracut-network package.

Removing the file fixes the issue.
Comment 1 David Tardon 2022-02-24 11:22:05 UTC 
"dracut -v /tmp/initrd" tells me that "dracut module 'network-legacy' will not be installed, because command 'dhclient' could not be found!". That is only possible because we dropped hard dependency on dhclient from dracut-network (bug 1916174); it requires NetworkManager or dhclient now with a preference for NetworkManager. However, that change doesn't mean the package is uninstalled during update. The CentOS Stream installation I tried this on initially is relatively fresh, so it hadn't had dhclient installed in the first place (neither it did contain /etc/dracut.conf.d/50-network-legacy.conf--I created that manually). I tried to update an RHEL 8.3 installation via 8.4 and 8.5 to the latest 8.6 compose and dhclient remains installed.

Conclusion: this issue seem to require a manual removal of dhclient, therefore it's not our bug.
Comment 2 Lars 2022-02-25 08:43:15 UTC 
Thanks for the Explanation!

Looks like we hit an special case, we removed the dhcp-client package some time ago because of an dependency issue as we don't use dhcp.

2022-01-28T21:15:08+0100 CRITICAL Error: 
 Problem: package dhcp-client-12:4.3.6-47.el8.x86_64 requires libdns-export.so.1112()(64bit), but none of the providers can be installed
  - cannot install both bind-export-libs-32:9.11.36-2.el8.x86_64 and bind-export-libs-32:9.11.26-6.el8.x86_64
  - cannot install both bind-export-libs-32:9.11.36-2.el8.x86_64 and bind-export-libs-32:9.11.26-3.el8.x86_64
  - cannot install both bind-export-libs-32:9.11.36-2.el8.x86_64 and bind-export-libs-32:9.11.26-4.el8_4.x86_64
  - cannot install the best update candidate for package dhcp-client-12:4.3.6-45.el8.x86_64
  - cannot install the best update candidate for package bind-export-libs-32:9.11.26-6.el8.x86_64
Comment 3 Kamil Dudka 2022-03-17 12:31:07 UTC 
After I upgraded my Covscan stage VM to RHEL-8.5, it failed to boot because there was no initrd for the last installed kernel.   So I tried to reinstall the last kernel and see:

# yum reinstall kernel\*-4.18.0-348.20.1.el8_5.x86_64
[...]
  Running scriptlet: kernel-core-4.18.0-348.20.1.el8_5.x86_64                           14/14
dracut: dracut module 'network-legacy' cannot be found or installed.
warning: %posttrans(kernel-core-4.18.0-348.20.1.el8_5.x86_64) scriptlet failed, exit status 1

Error in POSTTRANS scriptlet in rpm package kernel-core


Is it related to this (not a) bug?

How can I make the system bootable and upgradable again?
Comment 4 Kamil Dudka 2022-03-23 12:46:19 UTC 
As suggested by Lukas, removing /etc/dracut.conf.d/50-network-legacy.conf made the problem go away.
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