Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934564Ab3DOF4e (ORCPT ); Mon, 15 Apr 2013 01:56:34 -0400 Received: from e06smtp15.uk.ibm.com ([195.75.94.111]:54784 "EHLO e06smtp15.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933788Ab3DOF4d (ORCPT ); Mon, 15 Apr 2013 01:56:33 -0400 Date: Mon, 15 Apr 2013 07:56:27 +0200 From: Heiko Carstens To: Zhouping Liu Cc: linux-mm@kvack.org, LKML , caiqian , Caspar Zhang , Martin Schwidefsky Subject: Re: [BUG][s390x] mm: system crashed Message-ID: <20130415055627.GB4207@osiris> References: <156480624.266924.1365995933797.JavaMail.root@redhat.com> <2068164110.268217.1365996520440.JavaMail.root@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2068164110.268217.1365996520440.JavaMail.root@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13041505-0342-0000-0000-000004BCE0B9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3787 Lines: 61 On Sun, Apr 14, 2013 at 11:28:40PM -0400, Zhouping Liu wrote: > Hi All, > > I hit the below crashed when doing memory related tests[1] on s390x: > > --------------- snip --------------------- > � 15929.351639¨ � <000000000021c0a6>¨ shrink_inactive_list+0x1c6/0x56c > � 15929.351647¨ � <000000000021c69e>¨ shrink_lruvec+0x252/0x56c > � 15929.351654¨ � <000000000021ca44>¨ shrink_zone+0x8c/0x1bc > � 15929.351662¨ � <000000000021d080>¨ balance_pgdat+0x50c/0x658 > � 15929.351671¨ � <000000000021d318>¨ kswapd+0x14c/0x470 > � 15929.351680¨ � <0000000000158292>¨ kthread+0xda/0xe4 > � 15929.351690¨ � <000000000062a5de>¨ kernel_thread_starter+0x6/0xc > � 15929.351700¨ � <000000000062a5d8>¨ kernel_thread_starter+0x0/0xc > � 16109.346061¨ INFO: rcu_sched self-detected stall on CPU { 0} (t=24006 jiffies > g=89766 c=89765 q=10544) > � 16109.346101¨ CPU: 0 Tainted: G D 3.9.0-rc6+ #1 > � 16109.346106¨ Process kswapd0 (pid: 28, task: 000000003b2a0000, ksp: 000000003b > 2ab8c0) > � 16109.346110¨ 000000000001bb60 000000000001bb70 0000000000000002 0000000 > 000000000 > 000000000001bc00 000000000001bb78 000000000001bb78 00000000001009ca > 0000000000000000 0000000000002930 000000000000000a 000000000000000a > 000000000001bbc0 000000000001bb60 0000000000000000 0000000000000000 > 000000000063bb18 00000000001009ca 000000000001bb60 000000000001bbb0 > � 16109.346170¨ Call Trace: > � 16109.346179¨ (� <0000000000100920>¨ show_trace+0x128/0x12c) > � 16109.346195¨ � <00000000001cd320>¨ rcu_check_callbacks+0x458/0xccc > � 16109.346209¨ � <0000000000140f2e>¨ update_process_times+0x4a/0x74 > � 16109.346222¨ � <0000000000199452>¨ tick_sched_handle.isra.12+0x5e/0x70 > � 16109.346235¨ � <00000000001995aa>¨ tick_sched_timer+0x6a/0x98 > � 16109.346247¨ � <000000000015c1ea>¨ __run_hrtimer+0x8e/0x200 > � 16109.346381¨ � <000000000015d1b2>¨ hrtimer_interrupt+0x212/0x2b0 > � 16109.346385¨ � <00000000001040f6>¨ clock_comparator_work+0x4a/0x54 > � 16109.346390¨ � <000000000010d658>¨ do_extint+0x158/0x15c > � 16109.346396¨ � <000000000062aa24>¨ ext_skip+0x38/0x3c > � 16109.346404¨ � <00000000001153c8>¨ smp_yield_cpu+0x44/0x48 > � 16109.346412¨ (� <000003d10051aec0>¨ 0x3d10051aec0) > � 16109.346457¨ � <000000000024206a>¨ __page_check_address+0x16a/0x170 > � 16109.346466¨ � <00000000002423a2>¨ page_referenced_one+0x3e/0xa0 > � 16109.346501¨ � <000000000024427c>¨ page_referenced+0x32c/0x41c > � 16109.346510¨ � <000000000021b1dc>¨ shrink_page_list+0x380/0xb9c > � 16109.346521¨ � <000000000021c0a6>¨ shrink_inactive_list+0x1c6/0x56c > � 16109.346532¨ � <000000000021c69e>¨ shrink_lruvec+0x252/0x56c > � 16109.346542¨ � <000000000021ca44>¨ shrink_zone+0x8c/0x1bc > � 16109.346553¨ � <000000000021d080>¨ balance_pgdat+0x50c/0x658 > � 16109.346564¨ � <000000000021d318>¨ kswapd+0x14c/0x470 > � 16109.346576¨ � <0000000000158292>¨ kthread+0xda/0xe4 > � 16109.346656¨ � <000000000062a5de>¨ kernel_thread_starter+0x6/0xc > � 16109.346682¨ � <000000000062a5d8>¨ kernel_thread_starter+0x0/0xc > [-- MARK -- Fri Apr 12 06:15:00 2013] > � 16289.386061¨ INFO: rcu_sched self-detected stall on CPU { 0} (t=42010 jiffies > g=89766 c=89765 q=10627) Did the system really crash or did you just see the rcu related warning(s)? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/