Re: [yocto] Arch Linux - Python Newer than Recommend i.e. post 3.12

Ross Burton <[email protected]>
Newsgroups org.yoctoproject.lists.yocto
Message-ID <[email protected]> 
On 5 Feb 2026, at 02:37, Nicholas Krause via lists.yoctoproject.org <[email protected]> wrote:
> _pickle.PicklingError: Can't pickle local object <function AsyncServer.serve_as_process.<locals>.run at 0x7fea88598a90>
> when serializing dict item '_target'
> when serializing multiprocessing.context.Process state
> 
> Due to being on Python 3.14. I would prefer not to have to use a backwards supported penv for Yocto alone. Does anyone have any experience with working on Arch and how to avoid these issues without either dealing with penv or yay for getting a older version of python, pre 3.12 I believe.

There’s a number of fixes for the 3.14 changes to multiprocessing in git, so you likely need to backport those. What version of Yocto are you using?

Ross
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