From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753473AbbE0SFl (ORCPT ); Wed, 27 May 2015 14:05:41 -0400 Received: from mail-la0-f44.google.com ([209.85.215.44]:34589 "EHLO mail-la0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751488AbbE0SFe (ORCPT ); Wed, 27 May 2015 14:05:34 -0400 MIME-Version: 1.0 Date: Wed, 27 May 2015 11:05:33 -0700 Message-ID: Subject: kernel bug(VM_BUG_ON_PAGE) with 3.18.13 in mm/migrate.c From: Jovi Zhangwei To: linux-kernel@vger.kernel.org, mgorman@suse.de, sasha.levin@oracle.com, n-horiguchi@ah.jp.nec.com, akpm@linux-foundation.org, hughd@google.com, linux-mm@kvack.org, vbabka@suse.cz, rientjes@google.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I got below kernel bug error in our 3.18.13 stable kernel. "kernel BUG at mm/migrate.c:1661!" Source code: 1657 static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page) 1658 { 1659 int page_lru; 1660 1661 VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page), page); It's easy to trigger the error by run tcpdump in our system.(not sure it will easily be reproduced in another system) "sudo tcpdump -i bond0.100 'tcp port 4242' -c 100000000000 -w 4242.pcap" Any comments for this bug would be great appreciated. thanks. ----------------------------------------------------------------- dmesg: [Mon May 25 05:29:33 2015] page:ffffea0015414000 count:66 mapcount:1 mapping: (null) index:0x0 [Mon May 25 05:29:33 2015] flags: 0x20047580004000(head) [Mon May 25 05:29:33 2015] page dumped because: VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page)) [Mon May 25 05:29:33 2015] ------------[ cut here ]------------ [Mon May 25 05:29:33 2015] kernel BUG at mm/migrate.c:1661! [Mon May 25 05:29:33 2015] invalid opcode: 0000 [#1] SMP [Mon May 25 05:29:33 2015] Modules linked in: veth xt_comment xt_CT iptable_raw xt_addrtype ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat bridge overlay tcp_cubic binfmt_misc nf_conntrack_ipv6 nf_defrag_ipv6 xt_tcpudp ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack xt_multiport iptable_filter ip_tables x_tables rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 nfs lockd grace sunrpc fscache ses enclosure 8021q garp stp llc bonding ext4 crc16 jbd2 mbcache sg sd_mod ipmi_watchdog x86_pkg_temp_thermal coretemp kvm_intel iTCO_wdt evdev kvm crc32c_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ahci libahci ehci_pci mpt3sas raid_class ehci_hcd ixgbe libata igb scsi_transport_sas mdio usbcore ptp lpc_ich i2c_i801 mfd_core i2c_algo_bit [Mon May 25 05:29:33 2015] pps_core usb_common scsi_mod dca i2c_core wmi acpi_pad acpi_cpufreq md_mod processor thermal_sys button ipmi_si ipmi_poweroff ipmi_devintf ipmi_msghandler autofs4 [Mon May 25 05:29:33 2015] CPU: 8 PID: 25835 Comm: tcpdump Not tainted 3.18.13-cloudflare #1 [Mon May 25 05:29:33 2015] Hardware name: Quanta Computer Inc D51B-2U (dual 1G LoM)/S2B-MB (dual 1G LoM), BIOS S2B_3A17 11/07/2014 [Mon May 25 05:29:34 2015] task: ffff880fb4605580 ti: ffff880f7ca54000 task.ti: ffff880f7ca54000 [Mon May 25 05:29:34 2015] RIP: 0010:[] [] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:29:34 2015] RSP: 0000:ffff880f7ca57d28 EFLAGS: 00010246 [Mon May 25 05:29:34 2015] RAX: 0000000000000000 RBX: ffffea0015414000 RCX: 0000000000000000 [Mon May 25 05:29:34 2015] RDX: 0000000000000000 RSI: ffff88207fc0c1a8 RDI: 0000000000000540 [Mon May 25 05:29:34 2015] RBP: ffff88207ffd7000 R08: 0000000000000000 R09: 0000000000000000 [Mon May 25 05:29:34 2015] R10: ffffffff81678b40 R11: ffff88207ff9aa00 R12: ffff880f7ca57d38 [Mon May 25 05:29:34 2015] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [Mon May 25 05:29:34 2015] FS: 00007fcb89855700(0000) GS:ffff88207fc00000(0000) knlGS:0000000000000000 [Mon May 25 05:29:34 2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Mon May 25 05:29:34 2015] CR2: 00007fcb88859008 CR3: 0000000f6a3f9000 CR4: 00000000001407e0 [Mon May 25 05:29:34 2015] Stack: [Mon May 25 05:29:34 2015] 0000000000000000 ffffea0015414000 ffff880f7ca57d38 ffff880f7ca57d38 [Mon May 25 05:29:34 2015] 0000000000000001 ffff880f6a3b8450 ffffea003fa43330 0000000000000001 [Mon May 25 05:29:34 2015] ffffea0015414000 0000000000000000 0000000000000000 ffffffff81100c85 [Mon May 25 05:29:34 2015] Call Trace: [Mon May 25 05:29:34 2015] [] ? handle_mm_fault+0x945/0xa62 [Mon May 25 05:29:34 2015] [] ? change_protection+0x12a/0x580 [Mon May 25 05:29:34 2015] [] ? __do_page_fault+0x2bf/0x395 [Mon May 25 05:29:34 2015] [] ? new_sync_write+0x6a/0x8e [Mon May 25 05:29:34 2015] [] ? fsnotify+0x276/0x2bf [Mon May 25 05:29:34 2015] [] ? vtime_account_user+0x35/0x40 [Mon May 25 05:29:34 2015] [] ? do_page_fault+0x37/0x58 [Mon May 25 05:29:34 2015] [] ? page_fault+0x22/0x30 [Mon May 25 05:29:34 2015] Code: a5 00 00 00 48 ff c0 48 89 85 b8 5f 02 00 48 8b 03 f6 c4 40 74 17 83 7b 68 00 74 11 48 c7 c6 79 71 7f 81 48 89 df e8 b1 86 fd ff <0f> 0b 48 8b 03 31 c9 f6 c4 40 74 03 8b 4b 68 8b 85 40 5f 02 00 [Mon May 25 05:29:34 2015] RIP [] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:29:34 2015] RSP [Mon May 25 05:29:34 2015] ---[ end trace 83fa2f6761648dbd ]--- [Mon May 25 05:29:34 2015] device bond0.100 left promiscuous mode [Mon May 25 05:29:34 2015] device bond0 left promiscuous mode [Mon May 25 05:29:34 2015] device eth2 left promiscuous mode [Mon May 25 05:29:34 2015] device eth3 left promiscuous mode [Mon May 25 05:29:46 2015] device bond0.100 entered promiscuous mode [Mon May 25 05:29:46 2015] device bond0 entered promiscuous mode [Mon May 25 05:29:46 2015] device eth2 entered promiscuous mode [Mon May 25 05:29:46 2015] device eth3 entered promiscuous mode Thanks.