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Bug#1076372: linux-image-6.12.1+debian+tj: Force MDTS patch

From Stefan <debian@simg.de>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1076372: linux-image-6.12.1+debian+tj: Force MDTS patch
Date 2025-01-03 15:40 +0100
Message-ID <K0R0e-5lUB-3@gated-at.bofh.it> (permalink)
References <J3MfT-1Ar-3@gated-at.bofh.it> <JVorT-T3c-1@gated-at.bofh.it> <J3MfT-1Ar-3@gated-at.bofh.it> <JVorT-T3c-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi,

Am 19.12.24 um 14:05 schrieb Tj:
> Package: linux-image-6.12.1+debian+tj
> Followup-For: Bug #1076372
> X-Debbugs-Cc: tj.iam.tj@proton.me
>
> This patch ought to enable forcing MDTS for *all* NVME devices. Untested
> but applies on master and back to v6.3.7 at least, and builds for
> master.

Almost a perfect hit. The bug is triggered by the line after the patch,
where `ctrl->max_hw_sectors` is set to another value than defined by
MDTS. That behavior was introduced in 6.3.7 and is closely related to
the patch you mentioned earlier.

The data corruption disappears, if the `ctrl->max_hw_sectors` is set
according to MDTS (no need to alter that setting), see comment #4 at
https://bugzilla.kernel.org/show_bug.cgi?id=219609 for details.

Regards Stefan

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Bug#1076372: linux-image-6.12.1+debian+tj: Force MDTS patch Stefan <debian@simg.de> - 2025-01-03 15:40 +0100

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