[Bug Report] scx_lavd failed to run

[piyoki]

What happens?

scx_lavd failed to start.

What is expected to happen?

scx_lavd runs flawlessly.

If possible, please attach logs

⯁ flake git:(master) ✗ ❯❯❯ sudo scx_lavd
Error: Failed to load BPF program

Caused by:
    Invalid argument (os error 22)

More information

nix store path

/nix/store/m890hnwrhdn1jn1vd01kd45ygrd48bbx-scx-unstable-20240326-5bfd90bd6/bin/scx_lavd

flake.lock

       "locked": {
-        "lastModified": 1713212932,
-        "narHash": "sha256-FnKDhx5w9KRUJR0ZEI4kpL+KtAv2utAs6+ovDz1SmHo=",
+        "lastModified": 1713554347,
+        "narHash": "sha256-Li6DK5JqKesOhTBwSoqxWzOxUR0pcPxE/L7vVyEsZpM=",
         "owner": "chaotic-cx",
         "repo": "nyx",
-        "rev": "a2f034e707ad9e2be09454f171acd805015ae245",
+        "rev": "72c35184e8260a612b00977d0bb26d63cb385cb0",
         "type": "github"
       },

[LDprg]

Same for me. Is this related to sched-ext/scx#203?
It seems like a wrong bpftools version (7.3.0 on my system instead of 7.4.0).

[piyoki]

Same for me. Is this related to sched-ext/scx#203? It seems like a wrong bpftools version (7.3.0 on my system instead of 7.4.0).

I've escalated it to the project maintainers - sched-ext/scx#244. Let's see how it goes.

[PedroHLC]

Important to mention that I didn't try to reproduce it yet, as well didn't try to bump it.

[PedroHLC]

Ok, I can confirm it now:

[piyoki]

According to sched-ext/scx#244 (comment), @PedroHLC would you like to try out the fix, please?

[PedroHLC]

Fixed by sched-ext/scx#247 and deployed in 8cfa2aa