From patchwork Tue Apr 26 03:35:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Xinpeng X-Patchwork-Id: 567457 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 45841C433F5 for ; Tue, 26 Apr 2022 03:35:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243294AbiDZDi6 (ORCPT ); Mon, 25 Apr 2022 23:38:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243408AbiDZDiz (ORCPT ); Mon, 25 Apr 2022 23:38:55 -0400 Received: from chinatelecom.cn (prt-mail.chinatelecom.cn [42.123.76.228]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8004D3A182; Mon, 25 Apr 2022 20:35:45 -0700 (PDT) HMM_SOURCE_IP: 172.18.0.188:49938.983364622 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 B34B62800DC; Tue, 26 Apr 2022 11:35:42 +0800 (CST) X-189-SAVE-TO-SEND: +liuxp11@chinatelecom.cn Received: from ([172.18.0.188]) by app0023 with ESMTP id 20f56f595bf9421ea7f1d4939b6d8979 for wim@linux-watchdog.org; Tue, 26 Apr 2022 11:35:44 CST X-Transaction-ID: 20f56f595bf9421ea7f1d4939b6d8979 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 Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Liu Xinpeng Subject: [PATCH v3 2/4] watchdog: wdat_wdg: Stop watchdog when rebooting the system Date: Tue, 26 Apr 2022 11:35:18 +0800 Message-Id: <1650944120-30954-3-git-send-email-liuxp11@chinatelecom.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1650944120-30954-1-git-send-email-liuxp11@chinatelecom.cn> References: <1650944120-30954-1-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 3040a0554055..609922ed4744 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); }