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

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To: Chris Mason <clm@xxxxxxxx>
Subject: Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
From: David Howells <dhowells@xxxxxxxxxx>
Date: Fri, 13 Sep 2024 17:04:06 +0100
Cc: dhowells@xxxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Christian Theune <ct@xxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, "linux-xfs@xxxxxxxxxxxxxxx" <linux-xfs@xxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Daniel Dao <dqminh@xxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, regressions@xxxxxxxxxxxxxxx, regressions@xxxxxxxxxxxxx
In-reply-to: <d4a1cca4-96b8-4692-81f0-81c512f55ccf@meta.com>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903

Chris Mason <clm@xxxxxxxx> wrote:

> I've mentioned this in the past to both Willy and Dave Chinner, but so
> far all of my attempts to reproduce it on purpose have failed.

Could it be a splice bug?

David

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

References:
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Chris Mason
- Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Christian Theune
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Matthew Wilcox
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Jens Axboe
- Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards)
  - From: Linus Torvalds

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