linux-kernel - Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

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Message-ID: <CALu+AoTrPZS7ukuLsCTCwKNKVd8=PUN8nXwh9BdicyV-==-W=g@mail.gmail.com>
Date: Mon, 31 Mar 2025 11:22:50 +0800
From: Dave Young <dyoung@...hat.com>
To: Roberto Ricci <io@...icci.it>
Cc: Baoquan He <bhe@...hat.com>, ebiederm@...ssion.com, rafael@...nel.org, pavel@....cz, 
	ytcoode@...il.com, kexec@...ts.infradead.org, linux-pm@...r.kernel.org, 
	akpm@...ux-foundation.org, regressions@...ts.linux.dev, 
	linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

> With v4.9.337, kexec (via kexec_load) + hibernation works.
> With v5.4.291 it doesn't.
> I'm not sure how bisection could be done in this case.
>

Not confident, but maybe you can try latest mainline kernel see if the
below commit helps:
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2498e5c453b3d8d054d77751487cd593332f8c2

I noticed the e820 export is different for v4.9.337 and v5.4.291

Thanks
Dave