From patchwork Tue Apr 26 08:54:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Xinpeng X-Patchwork-Id: 567449 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 6837EC43219 for ; Tue, 26 Apr 2022 09:24:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244020AbiDZJ1a (ORCPT ); Tue, 26 Apr 2022 05:27:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347582AbiDZJYL (ORCPT ); Tue, 26 Apr 2022 05:24:11 -0400 Received: from chinatelecom.cn (prt-mail.chinatelecom.cn [42.123.76.226]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 136A41A4331; Tue, 26 Apr 2022 01:54:57 -0700 (PDT) HMM_SOURCE_IP: 172.18.0.218:36282.1079520618 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-202.80.192.38 (unknown [172.18.0.218]) by chinatelecom.cn (HERMES) with SMTP id 3723E280104; Tue, 26 Apr 2022 16:54:28 +0800 (CST) X-189-SAVE-TO-SEND: +liuxp11@chinatelecom.cn Received: from ([172.18.0.218]) by app0025 with ESMTP id 4180d2837903411b8f63bdeea817e731 for wim@linux-watchdog.org; Tue, 26 Apr 2022 16:54:36 CST X-Transaction-ID: 4180d2837903411b8f63bdeea817e731 X-Real-From: liuxp11@chinatelecom.cn X-Receive-IP: 172.18.0.218 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 v5 1/2] watchdog: wdat_wdg: Stop watchdog when rebooting the system Date: Tue, 26 Apr 2022 16:54:13 +0800 Message-Id: <1650963254-2138-1-git-send-email-liuxp11@chinatelecom.cn> X-Mailer: git-send-email 1.8.3.1 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); }