Bug#1151225: linux: ThinkPad L14 Gen 2 AMD (20X6): ~10s delay on resume from s2idle; disappears with iommu=pt

From	Bastian Blank <waldi@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1151225: linux: ThinkPad L14 Gen 2 AMD (20X6): ~10s delay on resume from s2idle; disappears with iommu=pt
Date	2026-10-26 14:20 +0100
Message-ID	<NSsMh-818L-3@gated-at.bofh.it> (permalink)
References	<NPzqV-6lnd-9@gated-at.bofh.it> <NPzqV-6lnd-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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On Sun, Oct 18, 2026 at 03:41:52PM +0200, Erik Moeller wrote:
> A potentially relevant observation is that the AMD PMC firmware workaround table
> includes L14 Gen 2 AMD machine type 20X5, but not my 20X6. This omission is
> also present in current upstream source. Could maintainers assess whether the
> existing workaround should cover 20X6? I have not tested a patched or
> upstream-built kernel.

I made a patch.  Could you test it?

Bastian

-- 
Killing is stupid; useless!
		-- McCoy, "A Private Little War", stardate 4211.8

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Bug#1151225: linux: ThinkPad L14 Gen 2 AMD (20X6): ~10s delay on resume from s2idle; disappears with iommu=pt Bastian Blank <waldi@debian.org> - 2026-10-26 14:20 +0100
  Processed: Re: Bug#1151225: linux: ThinkPad L14 Gen 2 AMD (20X6):  ~10s delay on resume from s2idle; disappears with iommu=pt "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-10-26 14:20 +0100

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