From patchwork Tue Apr 26 07:10:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Xinpeng X-Patchwork-Id: 566445 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CF59C433FE for ; Tue, 26 Apr 2022 07:11:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343681AbiDZHOZ (ORCPT ); Tue, 26 Apr 2022 03:14:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343736AbiDZHOF (ORCPT ); Tue, 26 Apr 2022 03:14:05 -0400 Received: from chinatelecom.cn (prt-mail.chinatelecom.cn [42.123.76.221]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D2B6C1403F; Tue, 26 Apr 2022 00:10:58 -0700 (PDT) HMM_SOURCE_IP: 172.18.0.188:50678.1670155976 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-202.80.192.39 (unknown [172.18.0.188]) by chinatelecom.cn (HERMES) with SMTP id F12502800AC; Tue, 26 Apr 2022 15:10:52 +0800 (CST) X-189-SAVE-TO-SEND: +liuxp11@chinatelecom.cn Received: from ([172.18.0.188]) by app0023 with ESMTP id 9d368a681f8f43ebb6b097333c3148d6 for wim@linux-watchdog.org; Tue, 26 Apr 2022 15:10:56 CST X-Transaction-ID: 9d368a681f8f43ebb6b097333c3148d6 X-Real-From: liuxp11@chinatelecom.cn X-Receive-IP: 172.18.0.188 X-MEDUSA-Status: 0 Sender: liuxp11@chinatelecom.cn From: Liu Xinpeng To: wim@linux-watchdog.org, linux@roeck-us.net, tzungbi@kernel.org Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Liu Xinpeng Subject: [PATCH v4 2/4] watchdog: wdat_wdg: Stop watchdog when rebooting the system Date: Tue, 26 Apr 2022 15:10:27 +0800 Message-Id: <1650957029-910-3-git-send-email-liuxp11@chinatelecom.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1650957029-910-1-git-send-email-liuxp11@chinatelecom.cn> References: <1650957029-910-1-git-send-email-liuxp11@chinatelecom.cn> Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Executing reboot command several times on the machine "Dell PowerEdge R740", UEFI security detection stopped machine with the following prompt: UEFI0082: The system was reset due to a timeout from the watchdog timer. Check the System Event Log (SEL) or crash dumps from Operating Sysstem to identify the source that triggered the watchdog timer reset. Update the firmware or driver for the identified device. iDRAC has warning event: "The watchdog timer reset the system". This patch fixes this issue by adding the reboot notifier. Signed-off-by: Liu Xinpeng --- drivers/watchdog/wdat_wdt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c index 9db01d165310..0ef2b918364a 100644 --- a/drivers/watchdog/wdat_wdt.c +++ b/drivers/watchdog/wdat_wdt.c @@ -463,6 +463,7 @@ static int wdat_wdt_probe(struct platform_device *pdev) return ret; watchdog_set_nowayout(&wdat->wdd, nowayout); + watchdog_stop_on_reboot(&wdat->wdd); return devm_watchdog_register_device(dev, &wdat->wdd); }