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Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5

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Hello Christoph,

On Fri, Sep 12, 2025 at 08:09:43PM +0200, Christoph Anton Mitterer wrote:
> I've just read on Phoronix about some "serious breakage" bug:
> https://www.phoronix.com/news/Linux-6.17-PM-Hibernation-FIxes
> 
> A fix is available:
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=fixes&id=449c9c02537a146ac97ef962327a221e21c9cab3
> 
> TBH, the commit message is a bit unclear to me,... the
> bug was apparently inroduced in 6.16 rc5, but only with
> some other commit from 6.17 rc1 it became "visible".
> 
> Whatever "visible" means here... could be that only then
> it started to happen more often or at all.
> 
> 
> >From the original bug report it seems the original hibernate
> image would get somehow currupted, which *could* mean that basically
> anything might happen... from a crash to complete data corruption.
> 
> Since we already have 6.16, I figured it might be worth to give a heads
> up and peraps the fix should be cherry picked ASAP.

I claim that the upstream stable process works fine here. Said patch is
already part of 6.16.8-rc1
(https://lore.kernel.org/all/20250917123351.839989757@linuxfoundation.org/,
patch #65). My gut feeling here is that it's ok to wait until this patch
flows into the Debian kernel via 6.16.8 without the additional effort to
cherry pick it before (with all up- and downsides involved).

Best regards
Uwe

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Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5 Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-09-17 17:20 +0200
  Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5 Christoph Anton Mitterer <calestyo@scientia.org> - 2025-09-17 18:00 +0200
    Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5 Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-09-18 00:00 +0200
      Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5 Christoph Anton Mitterer <calestyo@scientia.org> - 2025-09-18 00:10 +0200
      Bug#1115002: linux: "serious breakage" in hibernate since v6.16-rc5 Christoph Anton Mitterer <calestyo@scientia.org> - 2025-09-19 22:10 +0200

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