** Changed in: linux (Ubuntu)
Status: New => Fix Committed
** Changed in: ubuntu-power-systems
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1904906
Title:
5.10 kernel fails to boot with secure boot disabled
Status in The Ubuntu-power-systems project:
Fix Committed
Status in linux package in Ubuntu:
Fix Committed
Bug description:
Canonical requests to test the secure boot for the 5.10 kernel but
kernel fails to boot with secure boot disabled.
The 5.10 kernel can be found in:
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/bootstrap
They can be installed by installing the linux-generic-wip package with
this PPA enabled. As usual, they are only signed using a key specific to
that PPA. This key can be retrieved from the signing tarballs for the
kernels, e.g.:
http://ppa.launchpad.net/canonical-kernel-
team/bootstrap/ubuntu/dists/hirsute/main/signed/linux-5.10-ppc64el/5.10.0-2.3/signed.tar.gz
Our tester installed the 5.10 kernel via aptitude.
If booting directly from the bootmenu, it stucks at:
"kexec_core: Starting new kernel"
If booting recovery kernel for 5.10.0, it proceeds farther and after
kexec_core, it failed at:
"
[ 0.029830] LSM: Security Framework initializing
[ 0.029916] Yama: b
"
Two attempts with a different scenario; running with 5.8 kernel and boot via
commandline for 5.10:
kexec -l /boot/vmlinux-5.10.0-0-generic
--initrd=/boot/initrd.img-5.10.0-0-generic
--append="root=UUID=49d000cb-dba2-4d70-809e-38f2b31d0f09 ro quiet splash"
kexec -e
Both attempts also failed while rebooting, once with the same error as
the error from booting with bootmenu; the other failure occurred a lot
earlier.
Wondering what new CONFIGs and/or features for the 5.10 kernel?
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