Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752510Ab3DOD2o (ORCPT ); Sun, 14 Apr 2013 23:28:44 -0400 Received: from mx3-phx2.redhat.com ([209.132.183.24]:47308 "EHLO mx3-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752280Ab3DOD2m convert rfc822-to-8bit (ORCPT ); Sun, 14 Apr 2013 23:28:42 -0400 Date: Sun, 14 Apr 2013 23:28:40 -0400 (EDT) From: Zhouping Liu To: linux-mm@kvack.org, LKML Cc: caiqian , Caspar Zhang Message-ID: <2068164110.268217.1365996520440.JavaMail.root@redhat.com> In-Reply-To: <156480624.266924.1365995933797.JavaMail.root@redhat.com> Subject: [BUG][s390x] mm: system crashed MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Originating-IP: [10.5.82.11] X-Mailer: Zimbra 8.0.3_GA_5664 (ZimbraWebClient - FF17 (Linux)/8.0.3_GA_5664) Thread-Topic: system crashed Thread-Index: HGFD5IX8f2eukA6Ww4IHvhnQPkoz6w== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3907 Lines: 68 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) -------------- snip ---------------------- The testing system has 1Gb RAM, kernel is new latest mainline. please let me know if you need any more info. [1] reproducer is come from LTP: https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/mem/mtest06/mmap2.c and execute it using this command: `./mmap2 -x 0.002 -a -p` -- Thanks, Zhouping -- 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/