From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail.fujitsu.co.jp ([164.71.1.133]:51893 "EHLO fgwmail.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771AbaFPXaD (ORCPT ); Mon, 16 Jun 2014 19:30:03 -0400 Received: from kw-mxauth.gw.nic.fujitsu.com (unknown [10.0.237.134]) by fgwmail.fujitsu.co.jp (Postfix) with ESMTP id 322D73EE0C8 for ; Tue, 17 Jun 2014 08:30:01 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.nic.fujitsu.com [10.0.50.92]) by kw-mxauth.gw.nic.fujitsu.com (Postfix) with ESMTP id 352B7AC05DB for ; Tue, 17 Jun 2014 08:30:00 +0900 (JST) Received: from m1001.s.css.fujitsu.com (m1001.s.css.fujitsu.com [10.240.81.139]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id E2C1C1DB8038 for ; Tue, 17 Jun 2014 08:29:59 +0900 (JST) Message-ID: <539F7D8E.9010608@jp.fujitsu.com> Date: Tue, 17 Jun 2014 08:28:14 +0900 From: Tsutomu Itoh MIME-Version: 1.0 To: Chris Mason CC: Linux Btrfs Subject: Re: [3.16-rc1] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189] References: <539E9026.1020406@jp.fujitsu.com> <539F2FEA.1060809@fb.com> In-Reply-To: <539F2FEA.1060809@fb.com> Content-Type: text/plain; charset=ISO-2022-JP Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi Chris, On 2014/06/17 2:56, Chris Mason wrote: > On 06/16/2014 02:35 AM, Tsutomu Itoh wrote: >> I encountered soft lockup when executing 'xfstests btrfs/042' on 3.16-rc1. >> > > Did we recover, or was it stuck forever? The following messages are repeatedly output. And stuck forever. [ 1147.942181] BUG: soft lockup - CPU#0 stuck for 23s! [kworker/u25:4:5189] [ 1147.967175] BUG: soft lockup - CPU#3 stuck for 23s! [kworker/u25:9:5194] [ 1147.979172] BUG: soft lockup - CPU#4 stuck for 23s! [kworker/u25:15:5200] [ 1147.991169] BUG: soft lockup - CPU#5 stuck for 23s! [kworker/u25:7:5192] [ 1148.064153] BUG: soft lockup - CPU#6 stuck for 23s! [kworker/u26:3:3182] Thanks, Tsutomu