Just ran into this issue on Ubuntu 16.04: Aug 21 02:49:14 doddering-fransisca kernel: [2532635.918673] divide error: 0000 [#1] SMP Aug 21 02:49:14 doddering-fransisca kernel: [2532635.935386] Modules linked in: bridge stp llc bonding nls_iso8859_1 ipmi_ssif ipmi_devintf dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass sb_edac edac_core 8250_fintek ipmi_si ipmi_msghandler mei_me mei lpc_ich shpchp acpi_power_meter mac_hid ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 crct10dif_pclmul crc32_pclmul mxm_wmi aesni_intel aes_x86_64 lrw ixgbe i40e gf128mul glue_helper igb ablk_helper vxlan cryptd ip6_udp_tunnel udp_tunnel dca mdio ahci ptp libahci pps_core i2c_algo_bit fjes wmi Aug 21 02:49:14 doddering-fransisca kernel: [2532636.036341] CPU: 20 PID: 95997 Comm: jujud Not tainted 4.4.0-31-generic #50-Ubuntu Aug 21 02:49:14 doddering-fransisca kernel: [2532636.052997] Hardware name: Dell Inc. PowerEdge C6320/082F9M, BIOS 2.0.2 02/16/2016 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.069486] task: ffff883f0cbd9b80 ti: ffff883f5ae5c000 task.ti: ffff883f5ae5c000 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.085837] RIP: 0010:[<ffffffff810b5b6d>] [<ffffffff810b5b6d>] task_numa_find_cpu+0x2cd/0x710 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.102963] RSP: 0000:ffff883f5ae5fbd8 EFLAGS: 00010257 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.118987] RAX: 0000000000000000 RBX: ffff883f5ae5fc78 RCX: 0000000000000414 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.134881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88547de36200 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.150581] RBP: ffff883f5ae5fc40 R08: 000000000000012a R09: 0000000000075d4a Aug 21 02:49:14 doddering-fransisca kernel: [2532636.166034] R10: 0000000000000084 R11: 000000000003eab1 R12: ffff887c1fc6e040 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.181262] R13: 000000000000001b R14: ffff88547de36200 R15: 000000000000007c Aug 21 02:49:14 doddering-fransisca kernel: [2532636.196284] FS: 00007f0888ff9700(0000) GS:ffff883f7e880000(0000) knlGS:0000000000000000 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.211275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.225943] CR2: 000000d884976e48 CR3: 0000003f56296000 CR4: 00000000003406e0 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.240452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.254703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.268649] Stack: Aug 21 02:49:14 doddering-fransisca kernel: [2532636.282271] 000000000000001d 0000000000000100 000000000000012a 0000000000000414 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.295952] 0000000000000065 00000000000000c3 0000000000016d00 000000000000012a Aug 21 02:49:14 doddering-fransisca kernel: [2532636.309302] ffff883f0cbd9b80 ffff883f5ae5fc78 0000000000000192 00000000000001c1 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.322438] Call Trace: Aug 21 02:49:14 doddering-fransisca kernel: [2532636.335248] [<ffffffff810b63ee>] task_numa_migrate+0x43e/0x9b0 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.347983] [<ffffffff81072755>] ? native_flush_tlb_others+0x65/0x150 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.360511] [<ffffffff810b69d9>] numa_migrate_preferred+0x79/0x80 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.372777] [<ffffffff810baff4>] task_numa_fault+0x7f4/0xd40 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.384811] [<ffffffff810ba665>] ? should_numa_migrate_memory+0x55/0x130 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.396681] [<ffffffff811bffa0>] handle_mm_fault+0xbc0/0x1820 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.408285] [<ffffffff811c4a93>] ? find_vma+0x43/0x70 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.419617] [<ffffffff8106b537>] __do_page_fault+0x197/0x400 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.430724] [<ffffffff8106b7c2>] do_page_fault+0x22/0x30 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.441594] [<ffffffff8182fcb8>] page_fault+0x28/0x30 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.452173] Code: d0 4c 89 f7 e8 95 c7 ff ff 49 8b 84 24 d8 01 00 00 49 8b 76 78 31 d2 49 0f af 86 b0 00 00 00 4c 8b 45 d0 48 8b 4d b0 48 83 c6 01 <48> f7 f6 4c 89 c6 48 89 da 48 8d 3c 01 48 29 c6 e8 de c5 ff ff Aug 21 02:49:14 doddering-fransisca kernel: [2532636.473627] RIP [<ffffffff810b5b6d>] task_numa_find_cpu+0x2cd/0x710 Aug 21 02:49:14 doddering-fransisca kernel: [2532636.483974] RSP <ffff883f5ae5fbd8> Aug 21 02:49:14 doddering-fransisca kernel: [2532636.511555] ---[ end trace f9c3b1b52643e68b ]---
Reboot brought the machine back up with updated kernel version: Linux doddering-fransisca 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux We will wait for 4.4.0-36. Thanks, Bert -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1568729 Title: divide error: 0000 [#1] SMP in task_numa_migrate - handle_mm_fault To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1568729/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
