fix: use linux-image-virtual metapackage for ubuntu 25.10 and 26.04#259
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amd-aliem wants to merge 1 commit into
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fix: use linux-image-virtual metapackage for ubuntu 25.10 and 26.04#259amd-aliem wants to merge 1 commit into
amd-aliem wants to merge 1 commit into
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amd-aliem
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Pull request overview
This PR updates the Ubuntu 25.10 and 26.04 mkosi image definitions to avoid pinning specific kernel package versions that can disappear from Ubuntu repositories over time, which breaks CI image builds. It does so by switching to the linux-image-virtual metapackage so the images track the currently-available kernel without pulling in large firmware/microcode-related packages.
Changes:
- Switch Ubuntu 25.10 host/guest images from a pinned
linux-image-<ver>-generickernel package tolinux-image-virtual. - Switch Ubuntu 26.04 host/guest images from
linux-image-generic+ explicit modules packages tolinux-image-virtual. - Reduce susceptibility to repo churn (point release kernel removals) in mkosi-based image builds.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| images/host-ubuntu-26.04/mkosi.conf | Replace explicit kernel image/modules package set with linux-image-virtual. |
| images/host-ubuntu-25.10/mkosi.conf | Replace pinned kernel image package with linux-image-virtual. |
| images/guest-ubuntu-26.04/mkosi.conf | Replace explicit kernel image/modules package set with linux-image-virtual. |
| images/guest-ubuntu-25.10/mkosi.conf | Replace pinned kernel image/modules package set with linux-image-virtual. |
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Pinned kernel versions get removed from repos when Ubuntu publishes newer point releases, breaking image builds. Use linux-image-virtual metapackage which tracks the current kernel without pulling in firmware blobs (linux-firmware, intel-microcode, amd64-microcode). Signed-off-by: Amanda Liem <aliem@amd.com>
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Use
linux-image-virtualpackage to specify default kernel package for the distro.Pinned kernel versions get removed from repos when Ubuntu publishes newer point releases, breaking image builds:
E: Unable to locate package linux-modules-6.17.0-8-genericin https://github.com/AMDEPYC/sev-certify/actions/runs/28899258652/job/85733213329Use linux-image-virtual metapackage which tracks the current kernel without pulling in firmware blobs (linux-firmware, intel-microcode, amd64-microcode). Using linux-image-virtual vs linux-image-generic appears to save ~500MB. Making the change to 26.04 as well, since that same CI run failed for 26.04 when the host image size became > 1G.
I tested both changes on my fork and got passing results: