Linus blocks system d maintainer from further kernel commits

It's not. Usually they are much worse.

On the one hand it is sad to see that such an apparently simple[1] bug report turn into a pissing contest of sorts. In this specific case, there is an obvious wrong side (systemd) and an obvious right. However it appears like egos have taken over technical merits in this discussion.

On the other hand though, I am glad every time something like this happens because it just reaffirms my belief that Open Source is not just a good 'philosophy' but a good engineering practice. Where technical considerations outweigh personal quirks ...for the most part. I say for the most part because, the role of the maintainer obviously matters a whole lot. In this specific case, Linus has yet again proved that he cares a lot (more than most, read gnome developers) about being consistent. Not having regressions is relatively higher than not breaking user space, which by itself is an important goal.

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[1] simple from a perspective of coder who definitely is not a kernel or systemd developer and is making an educated guess about the complexity of the bug in question