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:[<ffffffff8112346c>] [<ffffffff8112346c>] 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] [<ffffffff81100c85>] ? handle_mm_fault+0x945/0xa62 [Mon May 25 05:29:34 2015] [<ffffffff81105bc6>] ? change_protection+0x12a/0x580 [Mon May 25 05:29:34 2015] [<ffffffff81034502>] ? __do_page_fault+0x2bf/0x395 [Mon May 25 05:29:34 2015] [<ffffffff8112dcf6>] ? new_sync_write+0x6a/0x8e [Mon May 25 05:29:34 2015] [<ffffffff81158cfe>] ? fsnotify+0x276/0x2bf [Mon May 25 05:29:34 2015] [<ffffffff81061467>] ? vtime_account_user+0x35/0x40 [Mon May 25 05:29:34 2015] [<ffffffff8103460f>] ? do_page_fault+0x37/0x58 [Mon May 25 05:29:34 2015] [<ffffffff81491082>] ? 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 [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:29:34 2015] RSP <ffff880f7ca57d28> [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 [Mon May 25 05:29:49 2015] page:ffffea00190d3000 count:66 mapcount:1 mapping: (null) index:0x0 [Mon May 25 05:29:49 2015] flags: 0x20050100004000(head) [Mon May 25 05:29:49 2015] page dumped because: VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page)) [Mon May 25 05:29:49 2015] ------------[ cut here ]------------ [Mon May 25 05:29:49 2015] kernel BUG at mm/migrate.c:1661! [Mon May 25 05:29:49 2015] invalid opcode: 0000 [#2] SMP [Mon May 25 05:29:49 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 05:29:49 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 05:29:49 2015] CPU: 10 PID: 25858 Comm: tcpdump Tainted: G D 3.18.13-cloudflare #1 [Mon May 25 05:29:49 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 05:29:49 2015] task: ffff880fb4600e40 ti: ffff8805520ec000 task.ti: ffff8805520ec000 [Mon May 25 05:29:49 2015] RIP: 0010:[<ffffffff8112346c>] [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:29:49 2015] RSP: 0000:ffff8805520efd28 EFLAGS: 00010246 [Mon May 25 05:29:49 2015] RAX: 0000000000000000 RBX: ffffea00190d3000 RCX: 000000000000649e [Mon May 25 05:29:49 2015] RDX: 0000000000000000 RSI: 0000000000000296 RDI: 0000000000000900 [Mon May 25 05:29:49 2015] RBP: ffff88207ffd7000 R08: 0000000000000000 R09: 0000000000000000 [Mon May 25 05:29:49 2015] R10: 000000000000b4d0 R11: ffff88207ff9bad0 R12: ffff8805520efd38 [Mon May 25 05:29:49 2015] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [Mon May 25 05:29:49 2015] FS: 00007fd334ecd700(0000) GS:ffff88207fc40000(0000) knlGS:0000000000000000 [Mon May 25 05:29:49 2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Mon May 25 05:29:49 2015] CR2: 00007fd334051008 CR3: 0000000f6810a000 CR4: 00000000001407e0 [Mon May 25 05:29:49 2015] Stack: [Mon May 25 05:29:49 2015] 0000000000000000 ffffea00190d3000 ffff8805520efd38 ffff8805520efd38 [Mon May 25 05:29:49 2015] 0000000000000001 ffff8805a875bd78 ffffea003daa4cf0 0000000000000001 [Mon May 25 05:29:49 2015] ffffea00190d3000 0000000000000000 0000000000000000 ffffffff81100c85 [Mon May 25 05:29:49 2015] Call Trace: [Mon May 25 05:29:49 2015] [<ffffffff81100c85>] ? handle_mm_fault+0x945/0xa62 [Mon May 25 05:29:49 2015] [<ffffffff81105bc6>] ? change_protection+0x12a/0x580 [Mon May 25 05:29:49 2015] [<ffffffff81034502>] ? __do_page_fault+0x2bf/0x395 [Mon May 25 05:29:49 2015] [<ffffffff8112dcf6>] ? new_sync_write+0x6a/0x8e [Mon May 25 05:29:49 2015] [<ffffffff81158cfe>] ? fsnotify+0x276/0x2bf [Mon May 25 05:29:49 2015] [<ffffffff81061467>] ? vtime_account_user+0x35/0x40 [Mon May 25 05:29:49 2015] [<ffffffff8103460f>] ? do_page_fault+0x37/0x58 [Mon May 25 05:29:49 2015] [<ffffffff81491082>] ? page_fault+0x22/0x30 [Mon May 25 05:29:49 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 05:29:49 2015] RIP [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:29:49 2015] RSP <ffff8805520efd28> [Mon May 25 05:29:49 2015] ---[ end trace 83fa2f6761648dbe ]--- [Mon May 25 05:29:49 2015] device bond0.100 left promiscuous mode [Mon May 25 05:29:49 2015] device bond0 left promiscuous mode [Mon May 25 05:29:49 2015] device eth2 left promiscuous mode [Mon May 25 05:29:49 2015] device eth3 left promiscuous mode [Mon May 25 05:30:07 2015] device bond0.100 entered promiscuous mode [Mon May 25 05:30:07 2015] device bond0 entered promiscuous mode [Mon May 25 05:30:07 2015] device eth2 entered promiscuous mode [Mon May 25 05:30:07 2015] device eth3 entered promiscuous mode [Mon May 25 05:30:42 2015] page:ffffea00153cf000 count:66 mapcount:1 mapping: (null) index:0x0 [Mon May 25 05:30:42 2015] flags: 0x20050c80004000(head) [Mon May 25 05:30:42 2015] page dumped because: VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page)) [Mon May 25 05:30:42 2015] ------------[ cut here ]------------ [Mon May 25 05:30:42 2015] kernel BUG at mm/migrate.c:1661! [Mon May 25 05:30:42 2015] invalid opcode: 0000 [#3] [Mon May 25 05:30:42 2015] SMP [Mon May 25 05:30:42 2015] Modules linked in: [Mon May 25 05:30:42 2015] veth [Mon May 25 05:30:42 2015] xt_comment [Mon May 25 05:30:42 2015] xt_CT [Mon May 25 05:30:42 2015] iptable_raw [Mon May 25 05:30:42 2015] xt_addrtype [Mon May 25 05:30:42 2015] ipt_MASQUERADE [Mon May 25 05:30:42 2015] nf_nat_masquerade_ipv4 [Mon May 25 05:30:42 2015] iptable_nat [Mon May 25 05:30:42 2015] nf_nat_ipv4 [Mon May 25 05:30:42 2015] nf_nat [Mon May 25 05:30:42 2015] bridge [Mon May 25 05:30:42 2015] overlay [Mon May 25 05:30:42 2015] tcp_cubic [Mon May 25 05:30:42 2015] binfmt_misc [Mon May 25 05:30:42 2015] nf_conntrack_ipv6 [Mon May 25 05:30:42 2015] nf_defrag_ipv6 [Mon May 25 05:30:42 2015] xt_tcpudp [Mon May 25 05:30:42 2015] ip6table_filter [Mon May 25 05:30:42 2015] ip6_tables [Mon May 25 05:30:42 2015] nf_conntrack_ipv4 [Mon May 25 05:30:42 2015] nf_defrag_ipv4 [Mon May 25 05:30:42 2015] xt_conntrack [Mon May 25 05:30:42 2015] nf_conntrack [Mon May 25 05:30:42 2015] xt_multiport [Mon May 25 05:30:42 2015] iptable_filter [Mon May 25 05:30:42 2015] ip_tables [Mon May 25 05:30:42 2015] x_tables [Mon May 25 05:30:42 2015] rpcsec_gss_krb5 [Mon May 25 05:30:42 2015] auth_rpcgss [Mon May 25 05:30:42 2015] oid_registry [Mon May 25 05:30:42 2015] nfsv4 [Mon May 25 05:30:42 2015] nfs [Mon May 25 05:30:42 2015] lockd [Mon May 25 05:30:42 2015] grace [Mon May 25 05:30:42 2015] sunrpc [Mon May 25 05:30:42 2015] fscache [Mon May 25 05:30:42 2015] ses [Mon May 25 05:30:42 2015] enclosure [Mon May 25 05:30:42 2015] 8021q [Mon May 25 05:30:42 2015] garp [Mon May 25 05:30:42 2015] stp [Mon May 25 05:30:42 2015] llc [Mon May 25 05:30:42 2015] bonding [Mon May 25 05:30:42 2015] ext4 [Mon May 25 05:30:42 2015] crc16 [Mon May 25 05:30:42 2015] jbd2 [Mon May 25 05:30:42 2015] mbcache [Mon May 25 05:30:42 2015] sg [Mon May 25 05:30:42 2015] sd_mod [Mon May 25 05:30:42 2015] ipmi_watchdog [Mon May 25 05:30:42 2015] x86_pkg_temp_thermal [Mon May 25 05:30:42 2015] 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 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 05:30:42 2015] CPU: 10 PID: 25881 Comm: tcpdump Tainted: G D 3.18.13-cloudflare #1 [Mon May 25 05:30:42 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 05:30:42 2015] task: ffff880fb4601c80 ti: ffff880d790fc000 task.ti: ffff880d790fc000 [Mon May 25 05:30:42 2015] RIP: 0010:[<ffffffff8112346c>] [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:30:42 2015] RSP: 0000:ffff880d790ffd28 EFLAGS: 00010246 [Mon May 25 05:30:42 2015] RAX: 0000000000000000 RBX: ffffea00153cf000 RCX: 000000000000670d [Mon May 25 05:30:42 2015] RDX: 0000000000000000 RSI: 0000000000000296 RDI: 0000000000000520 [Mon May 25 05:30:42 2015] RBP: ffff88207ffd7000 R08: 0000000000000000 R09: 0000000000000000 [Mon May 25 05:30:42 2015] R10: 0000000000000000 R11: ffff88207ff9cb0c R12: ffff880d790ffd38 [Mon May 25 05:30:42 2015] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [Mon May 25 05:30:42 2015] FS: 00007f9fa7c98700(0000) GS:ffff88207fc40000(0000) knlGS:0000000000000000 [Mon May 25 05:30:42 2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Mon May 25 05:30:42 2015] CR2: 00007f9fa6ddc008 CR3: 0000000fe9391000 CR4: 00000000001407e0 [Mon May 25 05:30:42 2015] Stack: [Mon May 25 05:30:42 2015] 0000000000000001 ffffea00153cf000 ffff880d790ffd38 ffff880d790ffd38 [Mon May 25 05:30:42 2015] ffffea00153cefc0 ffff880f89deeb80 ffffea003da83f70 0000000000000001 [Mon May 25 05:30:42 2015] ffffea00153cf000 0000000000000000 0000000000000000 ffffffff81100c85 [Mon May 25 05:30:42 2015] Call Trace: [Mon May 25 05:30:42 2015] [<ffffffff81100c85>] ? handle_mm_fault+0x945/0xa62 [Mon May 25 05:30:42 2015] [<ffffffff81034502>] ? __do_page_fault+0x2bf/0x395 [Mon May 25 05:30:42 2015] [<ffffffff8112dcf6>] ? new_sync_write+0x6a/0x8e [Mon May 25 05:30:42 2015] [<ffffffff81158cfe>] ? fsnotify+0x276/0x2bf [Mon May 25 05:30:42 2015] [<ffffffff81061467>] ? vtime_account_user+0x35/0x40 [Mon May 25 05:30:42 2015] [<ffffffff8103460f>] ? do_page_fault+0x37/0x58 [Mon May 25 05:30:42 2015] [<ffffffff81491082>] ? page_fault+0x22/0x30 [Mon May 25 05:30:42 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 05:30:42 2015] RIP [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:30:42 2015] RSP <ffff880d790ffd28> [Mon May 25 05:30:42 2015] ---[ end trace 83fa2f6761648dbf ]--- [Mon May 25 05:30:42 2015] device bond0.100 left promiscuous mode [Mon May 25 05:30:42 2015] device bond0 left promiscuous mode [Mon May 25 05:30:42 2015] device eth2 left promiscuous mode [Mon May 25 05:30:42 2015] device eth3 left promiscuous mode [Mon May 25 05:32:03 2015] device bond0.100 entered promiscuous mode [Mon May 25 05:32:03 2015] device bond0 entered promiscuous mode [Mon May 25 05:32:03 2015] device eth2 entered promiscuous mode [Mon May 25 05:32:03 2015] device eth3 entered promiscuous mode [Mon May 25 05:32:29 2015] page:ffffea006c581000 count:66 mapcount:1 mapping: (null) index:0x0 [Mon May 25 05:32:29 2015] flags: 0x6002ba00004000(head) [Mon May 25 05:32:29 2015] page dumped because: VM_BUG_ON_PAGE(compound_order(page) && !PageTransHuge(page)) [Mon May 25 05:32:29 2015] ------------[ cut here ]------------ [Mon May 25 05:32:29 2015] kernel BUG at mm/migrate.c:1661! [Mon May 25 05:32:29 2015] invalid opcode: 0000 [#4] SMP [Mon May 25 05:32:29 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 05:32:29 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 05:32:29 2015] CPU: 5 PID: 25972 Comm: tcpdump Tainted: G D 3.18.13-cloudflare #1 [Mon May 25 05:32:29 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 05:32:29 2015] task: ffff881dee014740 ti: ffff881d5eb3c000 task.ti: ffff881d5eb3c000 [Mon May 25 05:32:29 2015] RIP: 0010:[<ffffffff8112346c>] [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:32:29 2015] RSP: 0000:ffff881d5eb3fd28 EFLAGS: 00010246 [Mon May 25 05:32:29 2015] RAX: 0000000000000000 RBX: ffffea006c581000 RCX: 0000000000006b84 [Mon May 25 05:32:29 2015] RDX: 0000000000000000 RSI: 0000000000000296 RDI: 0000000000000c40 [Mon May 25 05:32:29 2015] RBP: ffff88107ffda000 R08: 0000000000000000 R09: 0000000000000000 [Mon May 25 05:32:29 2015] R10: 000000000000bb40 R11: ffff88207ff9de94 R12: ffff881d5eb3fd38 [Mon May 25 05:32:29 2015] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [Mon May 25 05:32:29 2015] FS: 00007f31bdaf0700(0000) GS:ffff88103fca0000(0000) knlGS:0000000000000000 [Mon May 25 05:32:29 2015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Mon May 25 05:32:29 2015] CR2: 00007f31bcc74008 CR3: 0000001d74b8c000 CR4: 00000000001407e0 [Mon May 25 05:32:29 2015] Stack: [Mon May 25 05:32:29 2015] 0000000000000001 ffffea006c581000 ffff881d5eb3fd38 ffff881d5eb3fd38 [Mon May 25 05:32:29 2015] ffffffffffffffff ffff880fe2332228 ffffea00757aadf0 0000000000000000 [Mon May 25 05:32:29 2015] ffffea006c581000 0000000000000001 0000000000000000 ffffffff81100c85 [Mon May 25 05:32:29 2015] Call Trace: [Mon May 25 05:32:29 2015] [<ffffffff81100c85>] ? handle_mm_fault+0x945/0xa62 [Mon May 25 05:32:29 2015] [<ffffffff81038cbc>] ? flush_tlb_mm_range+0xb5/0xdb [Mon May 25 05:32:29 2015] [<ffffffff81105bc6>] ? change_protection+0x12a/0x580 [Mon May 25 05:32:29 2015] [<ffffffff81034502>] ? __do_page_fault+0x2bf/0x395 [Mon May 25 05:32:29 2015] [<ffffffff81061467>] ? vtime_account_user+0x35/0x40 [Mon May 25 05:32:29 2015] [<ffffffff8103460f>] ? do_page_fault+0x37/0x58 [Mon May 25 05:32:29 2015] [<ffffffff81491082>] ? page_fault+0x22/0x30 [Mon May 25 05:32:29 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 05:32:29 2015] RIP [<ffffffff8112346c>] migrate_misplaced_page+0xeb/0x2a1 [Mon May 25 05:32:29 2015] RSP <ffff881d5eb3fd28> [Mon May 25 05:32:29 2015] ---[ end trace 83fa2f6761648dc0 ]--- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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