Yann Dirson

dune-build-info: spurious `git describe` output instead of version string

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## Context Build of a package for an ocaml product, where the source tarball gets unpacked in a build tree inside a git-managed tree. In our case it is a...

X11 display staying black trying to unlock screen, on AMD Renoir with 4.17.5-6

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### Qubes OS release Qubes OS 4.2 ### Brief summary I started earlier this month to experience problems when coming back to my laptop and attempting to unlock the screen....

Don't try to run qemu with pci passthrough, when pcifront fails to start

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### The problem you're addressing (if any) After `pcifront` fails to initialize in guest stubdom doing passthrough, eg. because of memory allocation failure like: ``` [2025-05-25 19:05:04] pcifront pci-0: Installing...

Quite necessary for upcoming rebuilds of the kernel package. Includes a new PATH_PREPEND interface to the container.

This adds support for building all packages from scratch, most notably `xcp-ng-release` and its `branding` breq, which are required to build any (other) package. This only targets v9 for now.

Those instructions will be useful to refer users to from forum or support tickets.

The steps described in this PR allowed me to use `qb` with `podman` in a fc42 qube. This PR relies on files added in https://github.com/QubesOS/qubes-builderv2/pull/218 The big advantages of `podman`...