IMHO, if you install all kernel modules for machines such as qemux86-64,
which are used by a lot of people including layer maintainers to do
basic testing, then the problem of recipes lacking dependencies on some
specific kernel modules will be covered up.
Ideally, if recipeA needs some kernel module at runtime, it should list
it in its RDEPENDS.
Regards,
Qi
On 3/13/26 08:05, Alistair Francis via lists.openembedded.org wrote:
On Thu, Mar 12, 2026 at 9:22 PM Alexander Kanavin
<[email protected]> wrote:
On Thu, 5 Mar 2026 at 06:35, Alistair Francis via
lists.openembedded.org <[email protected]>
wrote:
When bulding Linux with kernel modules by default they aren't included
in the qemux86-64 machine. Let's ensure that they are included by
setting the MACHINE_EXTRA_RRECOMMENDS to include " ernel-modules".
This is already done for the qemuppc64, qemuloongarch and qemuriscv
machines.
-MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370
kernel-module-snd-rawmidi"
+MACHINE_EXTRA_RRECOMMENDS += " kernel-modules"
+MACHINE_EXTRA_RRECOMMENDS += " kernel-module-snd-ens1370
kernel-module-snd-rawmidi"
The consensus in the patch review meeting was that BSPs forcing *all*
of the kernel modules into images is actually an anti-pattern that
should be avoided. It should only list specific, known to be useful
This is very confusing to users though.
If I use menuconfig to enable a kernel module
```shell
MACHINE=qemux86-64 bitbake virtual/kernel -c do_menuconfig
```
then I expect that module to be installed, but currently it's not. So
even with a module enabled it's not being installed, which is very
confusing and difficult for people to debug.
Alistair
items, similar to how linux-firmware or python modules are packaged
and installed. This has unfortunately gotten into qemuriscv
definitions, but the correct approach would be to replace that with
specific module lists, e.g. by replicating autobuilder tests for that
target:
https://git.yoctoproject.org/yocto-autobuilder-helper/tree/config.json
Alex
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