From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40672 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751713AbdGaUwa (ORCPT ); Mon, 31 Jul 2017 16:52:30 -0400 Subject: Patch "parisc: Suspend lockup detectors before system halt" has been added to the 4.12-stable tree To: deller@gmx.de, gregkh@linuxfoundation.org Cc: , From: Date: Mon, 31 Jul 2017 13:52:18 -0700 Message-ID: <150153433824277@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled parisc: Suspend lockup detectors before system halt to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: parisc-suspend-lockup-detectors-before-system-halt.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 56188832a50f09998cb570ba3771a1d25c193c0e Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Tue, 25 Jul 2017 21:41:41 +0200 Subject: parisc: Suspend lockup detectors before system halt 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 (;;); } Patches currently in stable-queue which might be from deller@gmx.de are queue-4.12/parisc-suspend-lockup-detectors-before-system-halt.patch queue-4.12/parisc-prevent-tlb-speculation-on-flushed-pages-on-cpus-that-only-support-equivalent-aliases.patch queue-4.12/parisc-extend-disabled-preemption-in-copy_user_page.patch