From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE2E6E77188 for ; Tue, 14 Jan 2025 13:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=GmRf/WPiVxAimIYsZVKC5WhgZrbd93EcpRocS2JRKMg=; b=XMVJ5aN7R3AiWVd7HlIWmfebOq esdKetnx4jYzYzrxbcQeEcQtOSNHz6kh5EnBIh7axkvItIQbFDYh8Aa+w0sZOw6G9GH7NixN8guPY Dowg1simknzwJN1q3JDaDqpi9YLCbMyF198MxLTDZ5GVNBahuWtFCeOWCQE7XxjBMJ1MCVnAKrd2Y 2NEI+9zAYug3JMcjr4Rwc3lHwyhneWo8685j6KNbZab7ORGOScGGahgAGHG14f5iMzIB9898UFkaX qdlXzuSQsGJ05SAnfDerXHsXIo4BqTufUA21iYxgrOFnnAFLxh/CoUIhwmn+jMSix8HhzsbBktPGo Fu+/bsmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tXgmJ-00000008UkL-1mJG; Tue, 14 Jan 2025 13:16:19 +0000 Received: from out-180.mta0.migadu.com ([91.218.175.180]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tXgmG-00000008Ujx-0f4t for kexec@lists.infradead.org; Tue, 14 Jan 2025 13:16:18 +0000 Date: Tue, 14 Jan 2025 14:16:10 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=r-ricci.it; s=key1; t=1736860573; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=GmRf/WPiVxAimIYsZVKC5WhgZrbd93EcpRocS2JRKMg=; b=Imheh64uhV65zTPsP5pL+DbNtlZOJIhz+GWVcf5nzPFNmx/tWaRo5XbKBF7mX+jOMSCxb4 zLymQF9ATUH7J5YuJv1Zowpwh/vopW4juRzuU8VH4u3IgG0YgWJifClm2xS8jGZFBfsr1+ a+0EG5VeFVD353yOZHrpYWSzcVs1kK7NT74Vom0rCh5hhm6FrV80GxkuA6jcBgY/iEYP1o oPXlB0+P3JelpTPDz30zRyDmEIXMmlTBWdBiApL5mgWtFPWQvqOKhNFpLBPrfIqdzJrlSM 9f2qoRDFwcxUwzu7TspBcjq0of6b/QG9Gh65B2HVZ67e3EWYhut8xzzStCggUA== X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Roberto Ricci To: ebiederm@xmission.com, rafael@kernel.org, pavel@ucw.cz, ytcoode@gmail.com Cc: 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 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250114_051616_784384_6C7C52F3 X-CRM114-Status: UNSURE ( 6.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On 2025-01-13 Mon 22:28:48 +0100, Roberto Ricci wrote: > I can reproduce this with kernel 6.13-rc7 in a qemu x86_64 virtual machine > running Void Linux, with the following commands: > > ``` > # kexec -l /boot/vmlinuz-6.13.0-rc7 --initrd=/boot/initramfs-6.13.0-rc7 --reuse-cmdline > # reboot > # printf reboot >/sys/power/disk > # printf disk >/sys/power/state > ``` Looks like it's the kernel performing the kexec which causes the issue, not the target one. E.g.: kexec-ing 6.7 from 6.13-rc7 makes resume from hibernation fail; but if I kexec 6.13-rc7 from 6.7, then it works fine.