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From: Roberto Ricci <io@r-ricci.it>
To: msizanoen <msizanoen@qtmlabs.xyz>
Cc: ebiederm@xmission.com, rafael@kernel.org, pavel@ucw.cz,
	ytcoode@gmail.com, kexec@lists.infradead.org,
	linux-pm@vger.kernel.org, akpm@linux-foundation.org,
	regressions@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation
Date: Fri, 4 Apr 2025 00:00:24 +0200	[thread overview]
Message-ID: <Z-8E-LLs1dFWfn6J@desktop0a> (raw)
In-Reply-To: <b9f6ed5a-74b9-47c0-b073-9922dbe6119b@qtmlabs.xyz>

On 2025-04-01 19:59 +0700, msizanoen wrote:
> [snip]
> It seems like `e820__register_nosave_regions` is erroneously marking some
> kernel memory as nosave in the presence of sub-page e820 regions. In theory
> backporting
> https://lore.kernel.org/all/20250214090651.3331663-1-rppt@kernel.org/ should
> be sufficient to avoid this but a fix for the actual root cause is
> preferred.

When using kexec_file_load, this patch series fixes the issue not only
in theory but also in practice.
But the issue with kexec_load (see
https://lore.kernel.org/all/Z-hYWc9LtBU1Yhtg@desktop0a/
), which might be related, is not fixed.

  reply	other threads:[~2025-04-03 22:00 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-13 21:28 [REGRESSION] Kernel booted via kexec fails to resume from hibernation Roberto Ricci
2025-01-13 21:31 ` Roberto Ricci
2025-01-14  3:42   ` Baoquan He
2025-04-01 12:59   ` msizanoen
2025-04-03 22:00     ` Roberto Ricci [this message]
2025-04-04  2:54       ` msizanoen
2025-04-04  4:56         ` msizanoen
2025-04-04  5:50           ` msizanoen
2025-04-04 20:39             ` Roberto Ricci
2025-04-05  5:15             ` msizanoen
2025-04-04 20:00         ` Roberto Ricci
2025-01-13 21:32 ` Roberto Ricci
2025-01-13 23:17 ` Andrew Morton
2025-01-14 13:19   ` Roberto Ricci
2025-01-14 13:16 ` Roberto Ricci
2025-01-15  4:04   ` Baoquan He
2025-01-15 12:00     ` Roberto Ricci
2025-01-16 11:52       ` Roberto Ricci
2025-01-17  1:55         ` Baoquan He
2025-01-17  3:41           ` Baoquan He
2025-01-17  7:52             ` Roberto Ricci
2025-01-16  9:54     ` Yuntao Wang
2025-01-22  9:45 ` RuiRui Yang
2025-01-22 13:01   ` Roberto Ricci
2025-01-27  2:39 ` Dave Young
2025-01-27  2:42   ` Dave Young
2025-03-09 17:09     ` Donald
2025-03-29  0:14     ` Roberto Ricci
2025-03-29  0:14       ` Roberto Ricci
2025-03-29  0:15       ` Roberto Ricci
2025-03-29  1:44       ` Baoquan He
2025-03-29 20:30         ` Roberto Ricci
2025-03-29 20:33           ` Roberto Ricci
2025-03-31  3:22           ` Dave Young
2025-04-03 21:59             ` Roberto Ricci
2025-04-04 23:31           ` Roberto Ricci
2025-04-04 23:37             ` Roberto Ricci

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