Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)

Christian Theune
2024-10-01T07:55:23Z

> On 1. Oct 2024, at 02:56, Chris Mason <clm@meta.com> wrote:
>
> I've attached a minimal version of a script we use here to show all the
> D state processes, it might help explain things. The only problem is
> you have to actually ssh to the box and run it when you're stuck.

Thanks, I’ll dig into this next week when I’m back from vacation.

I can set up alerts when this happens and hope that I’ll be fast enough as the situation does seem to resolve itselve at some point. It’s happened quite a bit in the fleet so I guess I should be able to catch it.

Christian

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