Troubleshooting • Re: cma_alloc failed on rpi 5

It seems to only happen when I am importing files with radarr to a mounted cifs share with cache enabled. Disabling cache for the cifs mount seems to resolve it, so I suspect that the cifs caching is using the reserved cma memory.

I'm surprised a cifs share would use cma (seems no reason for it to require contiguous memory).
Can you explain exactly how you are mounting with caching and without?

If you runcan you see a difference in CMA used with the cached vs uncached mount?

And to confirm, the cma issue occurs on the cifs client (rather than server end)?

Statistics: Posted by dom — Fri Nov 01, 2024 1:54 pm

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