Received: by 2002:ab2:7a55:0:b0:1f4:4a7d:290d with SMTP id u21csp339846lqp; Thu, 4 Apr 2024 15:09:26 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUeL8SpKH4r+xoeyXy/MKoAVxcaYPXgKl/D97S29LahTnl39UdAJ8GuExQEUQuyPZXBafC8xQSuBwr51l0YkLLC2UPud0OJzhV6SdBlBQ== X-Google-Smtp-Source: AGHT+IFoc5rS1M9WG6ilwq0NNTg38+2LOq4m9/9xpzzWOaqPM52nAH5gmq2pyHbibZH6csHAH68X X-Received: by 2002:a17:902:eacb:b0:1e2:b137:4f88 with SMTP id p11-20020a170902eacb00b001e2b1374f88mr940406pld.30.1712268565884; Thu, 04 Apr 2024 15:09:25 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1712268565; cv=pass; d=google.com; s=arc-20160816; b=TpuzbomP2RR7x9dwAeX3rSh3PYUbnqgi4fBNld6EW26W2nS7EA4eyuhlajzk27xJEf vGs9TkwP7JvAWE+iEYk/K8ZRTajWM6EgrsoNsRqwBKvWQFGjNfaj4k/dsBP8DSjQhoqR 35KQRmElKu6a+v19al/A+VyvPqpwtV4jalWj/6I2UOggfvW2PhVpA5paQDTioVc2UIzK 3TTQKFyefZ5NCp/ipPzaa5w3MG0jhihnnG7NFsepV5Kz2v6gTrHyBYIN/LtXmJ47R6tq tPwEk9dNCFtO9jMhazCboMxQ9L/p+eHcWlpXPih1UEvNB9uaOfYqR1Y3adtjKv6q6eTe Y0Lg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-disposition:mime-version:list-unsubscribe:list-subscribe :list-id:precedence:message-id:subject:to:from:date:dkim-signature; bh=oaOqs+3fYi8saDR+85M95wGN7Ar5GpLch1CCU4p9PUg=; fh=X3Z2xw2S4w18t3GECT+oYcMmgZR1hykXA9QMj2mES/o=; b=puV8PPOmJfF2BZnlFkhm5914kwenxPWecNUN95e+TySXLt4AdKtyNfbKbFtkcQNPZe waUBsGXlrggnT0Y+W0Qubq/9jKuLYbVaAWFsj/P36SViOwvvpunurbDXmXkoxWHLvuw4 k8Qkzhbh5GEEkd0yoSf6rp7dSXQrvK/zLMX9tD+WWnhJg5yrMSEgTyVxmV4/RsqwLr+P MaK09LFMUHxy4LG+0xFyxTlCNBs4KKaACqOw5fMnlVjHy9bmaNH5Vo33L2/qq0BpGmZM FbbmnoF7kCchSma8ax4W4n4c09vcyP3J+WlEs6BKSLURfHIq7Lx/HkKeVEOIt1MpzOGI ihTg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=Ic5V3XIC; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.com); spf=pass (google.com: domain of linux-kernel+bounces-132182-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-132182-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id h2-20020a170902f54200b001e11b979048si175398plf.306.2024.04.04.15.09.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Apr 2024 15:09:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-132182-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=Ic5V3XIC; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.com); spf=pass (google.com: domain of linux-kernel+bounces-132182-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-132182-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 03A50B26E54 for ; Thu, 4 Apr 2024 22:05:45 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 14BB513C3DF; Thu, 4 Apr 2024 22:05:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ic5V3XIC" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9596C13C3D2 for ; Thu, 4 Apr 2024 22:05:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712268337; cv=none; b=KQyV1PvkAmJIFUrmJH/DYe0hfNJuBQbPY2ohn1OV6PYzaZeRiKic1ptuAh9c+XdSp8ep+htI8snOPmxcQ1Yk/ibTe7YG7DoKYUIt4itHyYKrs2krgyuah0K93Dtk+izfCeBZDVWgQZLKXI127DVW4hks4nCUKqLy5c6t0V6UbuM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712268337; c=relaxed/simple; bh=Uao7gbUbelyGa8S9RMcw0JQSbxoZPY++pri7MyCJu7g=; h=Date:From:To:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Q+ERlU5afE50oekjLuPFxdGH+7oIjml+mbHryzrGCcbX8EJ/K0yK8pWxJv4eJx4AibvZSXlawdR021VQc05xZBDJ0l1zNyJO7bwotfYUNSsYtl99/HITC3LpU0MDUPxTQnk7sQrqLaVIcLUC/Trar+3culGA2SXBOBG79taTt+Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Ic5V3XIC; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712268336; x=1743804336; h=date:from:to:subject:message-id:mime-version; bh=Uao7gbUbelyGa8S9RMcw0JQSbxoZPY++pri7MyCJu7g=; b=Ic5V3XICUY1pcL1+s2O5hIwtI9BCp4nvPRk0IejkxfrJbl4DONbnDkdr 5iSIF1Z5OkxJNV7NG5Mm03v8Z975eCFe2TE9o+7TW0BTrnVQHsCDM9B2E BbnTY9OUc1qwKEIwqOLg9z8jdkCHkqqrt2pORS61rfLqDmbJKWLa4b6cC mBRh4GGtP+fdFDJPD5su7N3fqzET7zm4JDI5RVDfB6A/dI3ZLCAU8pINY ug9PjvvyguT/kvY0KdIvdKxBaIZg1GJME7gQf7dy9758eY3FAYh7EpvQD IJb2pNbAxqqkEZTaAizeTbb+HVcrbQNWrF3Nt6tJq7uR6X5lArJPSbVlY Q==; X-CSE-ConnectionGUID: VOSb6C1kT4C13q8df9LTjA== X-CSE-MsgGUID: xp8I/BTOTKqwn3x3gX5TJw== X-IronPort-AV: E=McAfee;i="6600,9927,11034"; a="7447817" X-IronPort-AV: E=Sophos;i="6.07,180,1708416000"; d="scan'208";a="7447817" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2024 15:05:35 -0700 X-CSE-ConnectionGUID: x+OpkRLUQTez6KbWLJF5pA== X-CSE-MsgGUID: J/801aP4Tq6P8GnZL+h08Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,180,1708416000"; d="scan'208";a="23593501" Received: from agluck-desk3.sc.intel.com (HELO agluck-desk3) ([172.25.222.105]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2024 15:05:35 -0700 Date: Thu, 4 Apr 2024 15:05:33 -0700 From: Tony Luck To: Borislav Petkov , Yazen Ghannam , Miaohe Lin , Naoya Horiguchi , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Machine check recovery broken in v6.9-rc1 Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline v6.8 works. v6.9-rc1 fails with: kernel BUG at include/linux/swapops.h:119 117 static inline unsigned long swp_offset_pfn(swp_entry_t entry) 118 { 119 VM_BUG_ON(!is_pfn_swap_entry(entry)); 120 return swp_offset(entry) & SWP_PFN_MASK; 121 } I've messed up the bisection three times now and ended up pointing at some innocent looking commit. So I wonder if anyone else has noticed and tried debugging. -Tony