kernel-packages team mailing list archive

[JuanJo Ciarlante <1596866@xxxxxxxxxxxxxxxxxx>]

Some ~recent alike finding, in case it helps:
  https://github.com/TobleMiner/wintron7.0/issues/2
- worked around with clocksource=tsc, guess that
ntpq should also show a large drift.

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https://bugs.launchpad.net/bugs/1596866

Title:
  NMI watchdog: Watchdog detected hard LOCKUP on cpu 0 - Xenial - Python

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I am receiving quite regular hardlockups on python (27) in xenial:

  Linux rts-os-s-03 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13
  UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

  Ubuntu 16.04 LTS \n \l

  Python 27:
  ii  python                               2.7.11-1                            amd64        interactive high-level object-oriented language (default version)
  ii  python2.7                            2.7.11-7ubuntu1                     amd64        Interactive high-level object-oriented language (version 2.7)

  Python 3:
  ii  python3                              3.5.1-3                             amd64        interactive high-level object-oriented language (default python3 version)

  
  Jun 28 06:52:42 XXXX kernel: [ 1634.052991] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059516] Modules linked in: iptable_raw kvm_intel ebtable_filter ebtables ip6table_filter ip6_tables xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat xt_tcpudp iptable_filter ip_tables x_tables veth bridge stp llc bonding dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm irqbypass shpchp lpc_ich ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch nf_defrag_ipv6 nf_conntrack autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd bnx2x ahci libahci tg3 megaraid_sas vxlan ip6_udp_tunnel udp_tunnel ptp pps_core mdio libcrc32c [last unloaded: kvm_intel]
  Jun 28 06:52:42 XXXX kernel: [ 1634.059790] CPU: 0 PID: 52914 Comm: python Not tainted 4.4.0-28-generic #47-Ubuntu
  Jun 28 06:52:42 XXXX kernel: [ 1634.059791] Hardware name: Dell Inc. PowerEdge R730/0H21J3, BIOS 1.5.4 10/002/2015
  Jun 28 06:52:42 XXXX kernel: [ 1634.059792]  0000000000000086 000000002732bfd7 ffff887b254bbbd0 ffffffff813eb1a3
  Jun 28 06:52:42 XXXX kernel: [ 1634.059794]  0000000000000000 0000000000000000 ffff887b254bbbe8 ffffffff8113b3bd
  Jun 28 06:52:42 XXXX kernel: [ 1634.059796]  ffff887e4da1a000 ffff887b254bbc20 ffffffff81183e4c 0000000000000001
  Jun 28 06:52:42 XXXX kernel: [ 1634.059797] Call Trace:
  Jun 28 06:52:42 XXXX kernel: [ 1634.059804]  [<ffffffff813eb1a3>] dump_stack+0x63/0x90
  Jun 28 06:52:42 XXXX kernel: [ 1634.059807]  [<ffffffff8113b3bd>] watchdog_overflow_callback+0xbd/0xd0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059810]  [<ffffffff81183e4c>] __perf_event_overflow+0x8c/0x1d0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059811]  [<ffffffff81184a24>] perf_event_overflow+0x14/0x20
  Jun 28 06:52:42 XXXX kernel: [ 1634.059814]  [<ffffffff8100c4d1>] intel_pmu_handle_irq+0x1e1/0x4a0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059817]  [<ffffffff81197001>] ? __alloc_pages_nodemask+0x1b1/0xb60
  Jun 28 06:52:42 XXXX kernel: [ 1634.059821]  [<ffffffff811fc3f4>] ? try_charge+0xd4/0x640
  Jun 28 06:52:42 XXXX kernel: [ 1634.059823]  [<ffffffff81200b4b>] ? mem_cgroup_try_charge+0x6b/0x1b0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059826]  [<ffffffff8119e667>] ? lru_cache_add_active_or_unevictable+0x27/0xa0
  Jun 28 06:52:42 XXXX kernel: [ 1634.059830]  [<ffffffff811bfffa>] ? handle_mm_fault+0xcaa/0x1820
  Jun 28 06:52:42 XXXX kernel: [ 1634.059831]  [<ffffffff811c5fbe>] ? vma_merge+0x22e/0x330
  Jun 28 06:52:42 XXXX kernel: [ 1634.059834]  [<ffffffff810056dd>] perf_event_nmi_handler+0x2d/0x50
  Jun 28 06:52:42 XXXX kernel: [ 1634.059837]  [<ffffffff810323c9>] nmi_handle+0x69/0x120
  Jun 28 06:52:42 XXXX kernel: [ 1634.059839]  [<ffffffff81032900>] default_do_nmi+0x40/0x100
  Jun 28 06:52:42 XXXX kernel: [ 1634.059841]  [<ffffffff81032aa2>] do_nmi+0xe2/0x130
  Jun 28 06:52:42 XXXX kernel: [ 1634.059844]  [<ffffffff81829ac6>] nmi+0x56/0xa5


  As suggested, this is causing hard lockups and/or pauses.
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jun 29 04:12 seq
   crw-rw---- 1 root audio 116, 33 Jun 29 04:12 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 16.04
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb:
   Bus 002 Device 002: ID 8087:8002 Intel Corp. 
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 413c:a001 Dell Computer Corp. Hub
   Bus 001 Device 002: ID 8087:800a Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. PowerEdge R730
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic root=UUID=58ac0f2e-dff9-4433-9a89-a8cba7a8154b ro console=tty0 console=ttyS0,115200n8 console=ttyS1,115200n8 acpi=off modprobe.blacklist=mei_me
  ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-28-generic N/A
   linux-backports-modules-4.4.0-28-generic  N/A
   linux-firmware                            1.157.1
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial uec-images
  Uname: Linux 4.4.0-28-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 10/002/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.5.4
  dmi.board.name: 0H21J3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A12
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.5.4:bd10/002/2015:svnDellInc.:pnPowerEdgeR730:pvr:rvnDellInc.:rn0H21J3:rvrA12:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R730
  dmi.sys.vendor: Dell Inc.

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