From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx113.postini.com [74.125.245.113]) by kanga.kvack.org (Postfix) with SMTP id 9F8226B0027 for ; Mon, 15 Apr 2013 01:56:33 -0400 (EDT) Received: from /spool/local by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 15 Apr 2013 06:53:03 +0100 Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id 669EE17D8017 for ; Mon, 15 Apr 2013 06:57:22 +0100 (BST) Received: from d06av11.portsmouth.uk.ibm.com (d06av11.portsmouth.uk.ibm.com [9.149.37.252]) by b06cxnps4074.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r3F5uIqC28770522 for ; Mon, 15 Apr 2013 05:56:18 GMT Received: from d06av11.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av11.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r3F5uRgl011217 for ; Sun, 14 Apr 2013 23:56:28 -0600 Date: Mon, 15 Apr 2013 07:56:27 +0200 From: Heiko Carstens 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> Sender: owner-linux-mm@kvack.org List-ID: To: Zhouping Liu Cc: linux-mm@kvack.org, LKML , caiqian , Caspar Zhang , Martin Schwidefsky 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 --------------------- > i? 1/2 15929.351639A? i? 1/2 <000000000021c0a6>A? shrink_inactive_list+0x1c6/0x56c > i? 1/2 15929.351647A? i? 1/2 <000000000021c69e>A? shrink_lruvec+0x252/0x56c > i? 1/2 15929.351654A? i? 1/2 <000000000021ca44>A? shrink_zone+0x8c/0x1bc > i? 1/2 15929.351662A? i? 1/2 <000000000021d080>A? balance_pgdat+0x50c/0x658 > i? 1/2 15929.351671A? i? 1/2 <000000000021d318>A? kswapd+0x14c/0x470 > i? 1/2 15929.351680A? i? 1/2 <0000000000158292>A? kthread+0xda/0xe4 > i? 1/2 15929.351690A? i? 1/2 <000000000062a5de>A? kernel_thread_starter+0x6/0xc > i? 1/2 15929.351700A? i? 1/2 <000000000062a5d8>A? kernel_thread_starter+0x0/0xc > i? 1/2 16109.346061A? INFO: rcu_sched self-detected stall on CPU { 0} (t=24006 jiffies > g=89766 c=89765 q=10544) > i? 1/2 16109.346101A? CPU: 0 Tainted: G D 3.9.0-rc6+ #1 > i? 1/2 16109.346106A? Process kswapd0 (pid: 28, task: 000000003b2a0000, ksp: 000000003b > 2ab8c0) > i? 1/2 16109.346110A? 000000000001bb60 000000000001bb70 0000000000000002 0000000 > 000000000 > 000000000001bc00 000000000001bb78 000000000001bb78 00000000001009ca > 0000000000000000 0000000000002930 000000000000000a 000000000000000a > 000000000001bbc0 000000000001bb60 0000000000000000 0000000000000000 > 000000000063bb18 00000000001009ca 000000000001bb60 000000000001bbb0 > i? 1/2 16109.346170A? Call Trace: > i? 1/2 16109.346179A? (i? 1/2 <0000000000100920>A? show_trace+0x128/0x12c) > i? 1/2 16109.346195A? i? 1/2 <00000000001cd320>A? rcu_check_callbacks+0x458/0xccc > i? 1/2 16109.346209A? i? 1/2 <0000000000140f2e>A? update_process_times+0x4a/0x74 > i? 1/2 16109.346222A? i? 1/2 <0000000000199452>A? tick_sched_handle.isra.12+0x5e/0x70 > i? 1/2 16109.346235A? i? 1/2 <00000000001995aa>A? tick_sched_timer+0x6a/0x98 > i? 1/2 16109.346247A? i? 1/2 <000000000015c1ea>A? __run_hrtimer+0x8e/0x200 > i? 1/2 16109.346381A? i? 1/2 <000000000015d1b2>A? hrtimer_interrupt+0x212/0x2b0 > i? 1/2 16109.346385A? i? 1/2 <00000000001040f6>A? clock_comparator_work+0x4a/0x54 > i? 1/2 16109.346390A? i? 1/2 <000000000010d658>A? do_extint+0x158/0x15c > i? 1/2 16109.346396A? i? 1/2 <000000000062aa24>A? ext_skip+0x38/0x3c > i? 1/2 16109.346404A? i? 1/2 <00000000001153c8>A? smp_yield_cpu+0x44/0x48 > i? 1/2 16109.346412A? (i? 1/2 <000003d10051aec0>A? 0x3d10051aec0) > i? 1/2 16109.346457A? i? 1/2 <000000000024206a>A? __page_check_address+0x16a/0x170 > i? 1/2 16109.346466A? i? 1/2 <00000000002423a2>A? page_referenced_one+0x3e/0xa0 > i? 1/2 16109.346501A? i? 1/2 <000000000024427c>A? page_referenced+0x32c/0x41c > i? 1/2 16109.346510A? i? 1/2 <000000000021b1dc>A? shrink_page_list+0x380/0xb9c > i? 1/2 16109.346521A? i? 1/2 <000000000021c0a6>A? shrink_inactive_list+0x1c6/0x56c > i? 1/2 16109.346532A? i? 1/2 <000000000021c69e>A? shrink_lruvec+0x252/0x56c > i? 1/2 16109.346542A? i? 1/2 <000000000021ca44>A? shrink_zone+0x8c/0x1bc > i? 1/2 16109.346553A? i? 1/2 <000000000021d080>A? balance_pgdat+0x50c/0x658 > i? 1/2 16109.346564A? i? 1/2 <000000000021d318>A? kswapd+0x14c/0x470 > i? 1/2 16109.346576A? i? 1/2 <0000000000158292>A? kthread+0xda/0xe4 > i? 1/2 16109.346656A? i? 1/2 <000000000062a5de>A? kernel_thread_starter+0x6/0xc > i? 1/2 16109.346682A? i? 1/2 <000000000062a5d8>A? kernel_thread_starter+0x0/0xc > [-- MARK -- Fri Apr 12 06:15:00 2013] > i? 1/2 16289.386061A? 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org