this post was submitted on 23 Jan 2024
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There's some mismatch between Linux kernel 3.10 and #KDE that wants to use clone3 to create a process thread.

Do I know anyone from @kde@lemmy.kde.social @kde@floss.social who is able to assist with debugging it further?

The system call clone3 has been added to linux 5.3 but it seems that KDE does not do any fallback in case the system call is rejected with EPERM.

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[–] zygoon@fosstodon.org 0 points 9 months ago (4 children)
[–] Conan_Kudo@fosstodon.org 2 points 9 months ago (3 children)

@zygoon @carlschwan @kde@lemmy.kde.social @kde@floss.social It's likely coming from some usage of libseccomp somewhere. This also afflicts the container stack and such, which is why RHEL 9 containers on RHEL 7 are not supported.

Container/sandbox runtimes using libseccomp need to explicitly always allow clone3() through, or otherwise it will not fail correctly on RHEL 7.

[–] zygoon@fosstodon.org 1 points 9 months ago (2 children)

@Conan_Kudo @carlschwan @kde@lemmy.kde.social @kde@floss.social yeah, I strongly suspect seccomp. I’m debugging this now and I will share updates when I get to the bottom of the problem.

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