On Mon, Jul 31, 2023 at 2:33 PM Richard Purdie <richard.pur...@linuxfoundation.org> wrote: > > I did look at the bug and it sounds like if you clean a recipe, builds > of other recipes which depend upon it then fail?
Well not just in this case specifically, it is reproducible when doing a clean build. But this is the easiest most convenient way to reproduce because most of the sstate can be reused. > We need to understand what is happening with both the sstate manifests > and the stamp files to fully understand this bug. > > do_prepare_recipe_sysroot of this recipe that depends on the > externalsrc one should trigger it's do_populate_sysroot. The question > is whether the do_clean removed the do_populate_sysroot stamp file for > that recipe or not? It sounds like it did remove the sstate manifest. I have checked the manifest and stamp creation and as far as I can tell that part is correct. > The more I look at this, the more I think changing the deltask is just > masking the issue and there is some other problem at play here which we > need to address directly. I agree, I have dug a bit further and the issue seems to come from runqueue.py. It seems that the current implementation depends heavily on the presence of _setscene tasks to build the dependency graph. Altering this behavior would indeed require significant effort and potentially lead to unforeseen consequences. > Unfortunately it took me half an hour just to be able to read through > the pieces of this and get far enough I could write a coherent answer > to your question. It is a struggle to reply to everything in this level > of detail, much as I'd like to :/. I'd like to thank you for the time you have invested in this issue! I appreciate the help. I understand that my proposed solution might not be ideal, but fixing the underlying issue in runqueue would be a real challenge. If upstream is not interested in this patch, I can also understand that.
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