I have 2 platforms one with a standard kernel the other using PREEMPT_RT kernel... both work as expected.
All things being equal, when I add docker container support to both platforms, the standard kernel works just fine, but on the PREEMPT_RT kernel docker does not appear to initialize/work correctly... I have also tested using both ARM & Intel based HW, and appear tosee the same behavior on both. Checking online it appears there is chatter about whether docker will run correctly under a PREEMPT_RT kernel. Example: Last entry, from July 2021, in this blog says not supported; Docker for RTOS? - General Discussions / Feature Requests - Docker Community Forums<https://forums.docker.com/t/docker-for-rtos/283/3> Under Yocto, will docker & PREEMPT_RT kernels function correctly, is this combination supported ? I am currently running zeus based platforms, docker is at version 19.03.2-ce. Is there a patch to correct for the compatibility issues being seen ?, or Is there a yocto version I might move to which supports both correctly ? Any input on this would be greatly appreciated. Thanks, Steve
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