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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B5F4C433F5 for ; Mon, 21 Mar 2022 17:17:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8C21A6B0071; Mon, 21 Mar 2022 13:17:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 86F7F6B0073; Mon, 21 Mar 2022 13:17:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 710646B0074; Mon, 21 Mar 2022 13:17:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.28]) by kanga.kvack.org (Postfix) with ESMTP id 5BA1F6B0071 for ; Mon, 21 Mar 2022 13:17:34 -0400 (EDT) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 191D981347 for ; Mon, 21 Mar 2022 17:17:34 +0000 (UTC) X-FDA: 79269050028.03.881CEB9 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by imf10.hostedemail.com (Postfix) with ESMTP id C762EC002E for ; Mon, 21 Mar 2022 17:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647883052; x=1679419052; h=date:from:to:cc:subject:message-id:mime-version; bh=J0P6CY75m2SCLMwNxAiX+D55/qpQSVV+1WnY+83am1w=; b=UFoFk8mjzRokxwKKzvxNYjCoOjEk01heC8dbuSyhi5gcadwWq6x4R/uW KB7Tk3mR8VnK/AA08pDXMMZE+7Zu9pXd2MR47/C6Ppf87eSAbe9puJFkg BgmFr+sndufvDaUwYKuBreq1qXajlI93b024IMfPjxVrIWxuFJdnCCR7b JmuuHTUae1iLZLmhWwcJ+xSb8rukG3/fbi222jVZ4KPqqG09FOJzwqDVq BVbrh/3lf9xVtzuOuNu2vwH+YHHcs+SZmeCrGhf0VIlKOo2MzQ+5iucpG UG+L6rKILZO/LG9STaJf5oMlWmgWM+8ePwfPjZusCY2aMviPnk1t4S+oL w==; X-IronPort-AV: E=McAfee;i="6200,9189,10293"; a="257554573" X-IronPort-AV: E=Sophos;i="5.90,199,1643702400"; d="scan'208";a="257554573" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2022 10:17:31 -0700 X-IronPort-AV: E=Sophos;i="5.90,199,1643702400"; d="scan'208";a="559962090" Received: from agluck-desk3.sc.intel.com ([172.25.222.60]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2022 10:17:31 -0700 Date: Mon, 21 Mar 2022 10:17:29 -0700 From: "Luck, Tony" To: linux-mm@kvack.org Cc: shy828301@gmail.com, naoya.horiguchi@nec.com, mike.kravetz@oracle.com, bp@alien8.de, linmiaohe@huawei.com, akpm@linux-foundation.org Subject: unhandlable pages Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: C762EC002E X-Stat-Signature: 7uw1mz1fudfj46kw4kwd9651oww4c1kr Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=UFoFk8mj; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf10.hostedemail.com: domain of tony.luck@intel.com has no SPF policy when checking 134.134.136.65) smtp.mailfrom=tony.luck@intel.com X-HE-Tag: 1647883052-28402 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Validation folks are seeing this on a v5.16 kernel. I don't see any changes in v5.17 that look like they address it. Mar 04 14:05:05 JF5300-07B181T kernel: page:00000000696b0b6a refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x195cda44 Mar 04 14:05:05 JF5300-07B181T kernel: flags: 0x57ffffc0801000(reserved|hwpoison|node=1|zone=2|lastcpupid=0x1fffff) Mar 04 14:05:05 JF5300-07B181T kernel: raw: 0057ffffc0801000 ffff6ea817369108 ffff6ea817369108 0000000000000000 Mar 04 14:05:05 JF5300-07B181T kernel: raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 Mar 04 14:05:05 JF5300-07B181T kernel: page dumped because: hwpoison: unhandlable page Mar 04 14:05:05 JF5300-07B181T kernel: Memory failure: 0x195cda44: recovery action for unknown page: Ignored Som debugging shows this is an anon page (expected ... that's the type of page where the error was injected. They see shake_page() called three times, but it doesn't change anything, so the page is reported as unhandlable. -Tony