Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752378AbdHCXYf (ORCPT ); Thu, 3 Aug 2017 19:24:35 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:38400 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752074AbdHCXSI (ORCPT ); Thu, 3 Aug 2017 19:18:08 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Helge Deller Subject: [PATCH 4.12 07/31] parisc: Suspend lockup detectors before system halt Date: Thu, 3 Aug 2017 16:17:37 -0700 Message-Id: <20170803231737.510366590@linuxfoundation.org> X-Mailer: git-send-email 2.13.4 In-Reply-To: <20170803231737.202188456@linuxfoundation.org> References: <20170803231737.202188456@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1017 Lines: 38 4.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Helge Deller commit 56188832a50f09998cb570ba3771a1d25c193c0e upstream. Some machines can't power off the machine, so disable the lockup detectors to avoid this watchdog BUG to show up every few seconds: watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd-shutdow:1] Signed-off-by: Helge Deller Signed-off-by: Greg Kroah-Hartman --- arch/parisc/kernel/process.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -53,6 +53,7 @@ #include #include #include +#include #include #include @@ -145,6 +146,7 @@ void machine_power_off(void) /* prevent soft lockup/stalled CPU messages for endless loop. */ rcu_sysrq_start(); + lockup_detector_suspend(); for (;;); }