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KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.

Plasma 6 Bugs

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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. (fosstodon.org)

submitted 9 months ago by [email protected] to c/[email protected]

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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 @[email protected] @[email protected] 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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[–] [email protected] 1 points 9 months ago (2 children)

@Conan_Kudo @carlschwan @[email protected] @[email protected] yeah, I strongly suspect seccomp. I’m debugging this now and I will share updates when I get to the bottom of the problem.

[–] [email protected] 1 points 9 months ago* (last edited 9 months ago)

@zygoon @carlschwan @[email protected] @[email protected] The clone3() call is done implicitly and automatically by glibc. It started with glibc 2.34. This is most likely a problem in the Ubuntu Core 22 runtime that KDE snaps are built on.

The fix is to patch out the logic that uses it for clone() in Ubuntu's glibc.