This bug was fixed in the package initramfs-tools - 0.142ubuntu33
---------------
initramfs-tools (0.142ubuntu33) oracular; urgency=medium
* hook-functions: Print error message on copy_file failure
to ease debugging cases like LP #1641230.
* Cherry-pick fixes from Debian 0.144 and 0.145:
- autopkgtest: Fix name of ppc64el kernel flavour
- mkinitramfs, hook-functions: Exit with error if dracut-install fails
(Closes: #1079066)
- hook_functions: Fix copy_file with source including a directory symlink
(LP: #2077490)
- hook-functions: copy_file: Canonicalise target filename
(Closes: #1079276)
-- Benjamin Drung <bdr...@ubuntu.com> Wed, 04 Sep 2024 01:26:32 +0200
** Changed in: initramfs-tools (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2077490
Title:
Error: out of memory while booting after installing the linux-firmware
in proposed
Status in initramfs-tools package in Ubuntu:
Fix Released
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Jammy:
Fix Committed
Bug description:
[Impact]
I found that there are some machines in cert lab can't boot after
installing the linux-frimware in proposed with 6.8.0-40 kernel.
After selecting booting with the 6.8.0-40 kernel, it shows error: out
of memory on the screen then freeze.
There aren't any journal logs available, since they froze at very
early stage.
Following are the machines got impacted for now
https://certification.canonical.com/hardware/202306-31695/
https://certification.canonical.com/hardware/202306-31696/
Problem details:
The linux-firmware package provides new (gigantic) firmware blobs and
symlinks to directories that contain those. initramfs-tools can't
handle the directory symlinks and puts multiple copies of the same
blobs into the initrd blowing it up to a size where it becomes
problematic on some machines.
[Test Case]
Verify the affected machine boots again with the updated firmware
package.
Install updated linux-firmware package and confirm that there are no
duplicate firmware files in /lib/firmware and inside the initrd. Also
verify that there are no broken symlinks.
[Where Problems Could Occur]
If the new symlinks are broken, we end up with drivers not finding
their firmwares which results in non-functional HW components.
[Notes]
This is not a general solution for the problem of the ever growing
size of the initrd. It just alleviate it some.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/2077490/+subscriptions
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