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[Bug 1653498] Re: Server reboots every 4.1 weeks

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>
Date: Thu, 05 Jan 2017 20:04:02 -0000
Reply-to: Bug 1653498 <1653498@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.10 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc2

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Xenial)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1653498

Title:
  Server reboots every 4.1 weeks

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  Confirmed

Bug description:
  Every 4.1 uptime weeks (more or less), our 34 servers reboots with the
  logs below.

  Description:    Ubuntu 16.04.1 LTS
  Release:        16.04

  The servers hosts the stack flanneld (0.5.5) docker (1.11.2, build
  b9f10c9) kubernetes (v1.3.6) plus etcd (2.3.7)


  Jan 02 06:40:32 prd-node021 kernel: ------------[ cut here ]------------
  Jan 02 06:40:32 prd-node021 kernel: kernel BUG at /build/linux-xHzv4a/linux-4.4.0/include/linux/fs.h:2569!
  Jan 02 06:40:32 prd-node021 kernel: invalid opcode: 0000 [#1] SMP
  Jan 02 06:40:32 prd-node021 kernel: Modules linked in: nf_conntrack_netlink nfnetlink veth xt_statistic xt_nat xt_recent ipt_REJECT nf_reject_ipv4 xt_tcpudp tcp_diag inet_diag
  Jan 02 06:40:32 prd-node021 kernel:  raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc
  Jan 02 06:40:32 prd-node021 kernel: CPU: 46 PID: 22749 Comm: iptables-restor Not tainted 4.4.0-47-generic #68-Ubuntu
  Jan 02 06:40:32 prd-node021 kernel: Hardware name: HP ProLiant DL360 Gen9/ProLiant DL360 Gen9, BIOS P89 09/13/2016
  Jan 02 06:40:32 prd-node021 kernel: task: ffff882f7ccb44c0 ti: ffff882fcb810000 task.ti: ffff882fcb810000
  Jan 02 06:40:32 prd-node021 kernel: RIP: 0010:[<ffffffff8120f9ed>]  [<ffffffff8120f9ed>] __fput+0x21d/0x220
  Jan 02 06:40:32 prd-node021 kernel: RSP: 0018:ffff882fcb813e68  EFLAGS: 00010246
  Jan 02 06:40:32 prd-node021 kernel: RAX: 0000000000000000 RBX: ffff8829dbd92700 RCX: 00000000308c6396
  Jan 02 06:40:32 prd-node021 kernel: RDX: 0000000000000001 RSI: ffff88301f299f60 RDI: 0000000000000000
  Jan 02 06:40:32 prd-node021 kernel: RBP: ffff882fcb813ea0 R08: 0000000000019f60 R09: ffffffff811b3a1d
  Jan 02 06:40:32 prd-node021 kernel: R10: ffffea0064756680 R11: ffff8829dbd92710 R12: 0000000000000010
  Jan 02 06:40:32 prd-node021 kernel: R13: ffff8817d3520518 R14: ffff881021a34da0 R15: ffff8817d3542540
  Jan 02 06:40:32 prd-node021 kernel: FS:  00007fcdaa753700(0000) GS:ffff88301f280000(0000) knlGS:0000000000000000
  Jan 02 06:40:32 prd-node021 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Jan 02 06:40:32 prd-node021 kernel: CR2: 00007fcdaa758000 CR3: 0000001917993000 CR4: 00000000003406e0
  Jan 02 06:40:32 prd-node021 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jan 02 06:40:32 prd-node021 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  Jan 02 06:40:32 prd-node021 kernel: Stack:
  Jan 02 06:40:32 prd-node021 kernel:  ffff8817d3520518 ffff8829dbd92710 ffff882f7ccb44c0 ffffffff82103a30
  Jan 02 06:40:32 prd-node021 kernel:  ffff8829dbd92700 0000000000000000 ffff882f7ccb4b38 ffff882fcb813eb0
  Jan 02 06:40:32 prd-node021 kernel:  ffffffff8120fa2e ffff882fcb813ef0 ffffffff8109ee01 ffff882f7ccb4b6c
  Jan 02 06:40:32 prd-node021 kernel: Call Trace:
  Jan 02 06:40:32 prd-node021 kernel:  [<ffffffff8120fa2e>] ____fput+0xe/0x10
  Jan 02 06:40:32 prd-node021 kernel:  [<ffffffff8109ee01>] task_work_run+0x81/0xa0
  Jan 02 06:40:32 prd-node021 kernel:  [<ffffffff81003242>] exit_to_usermode_loop+0xc2/0xd0
  Jan 02 06:40:32 prd-node021 kernel:  [<ffffffff81003c6e>] syscall_return_slowpath+0x4e/0x60
  Jan 02 06:40:32 prd-node021 kernel:  [<ffffffff81835150>] int_ret_from_sys_call+0x25/0x8f
  Jan 02 06:40:32 prd-node021 kernel: Code: 0f 84 cf fe ff ff 48 8b 43 28 48 8b 80 80 00 00 00 48 85 c0 0f 84 bb fe ff ff 31 d2 48 89 de bf ff ff ff ff ff d0 e9 aa fe ff ff <0f>
  Jan 02 06:40:32 prd-node021 kernel: RIP  [<ffffffff8120f9ed>] __fput+0x21d/0x220
  -- Reboot --
  Jan 02 06:42:56 prd-node021 systemd-journald[819]: Runtime journal (/run/log/journal/) is 8.0M, max 1.8G, 1.8G free.
  Jan 02 06:42:56 prd-node021 kernel: Initializing cgroup subsys cpuset

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-47-generic 4.4.0-47.68
  ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
  Uname: Linux 4.4.0-47-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jan  2 06:42 seq
   crw-rw---- 1 root audio 116, 33 Jan  2 06:42 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Mon Jan  2 10:49:15 2017
  HibernationDevice: RESUME=/dev/mapper/vg00-swap
  InstallationDate: Installed on 2016-09-13 (110 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Beta amd64 (20160803)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: HP ProLiant DL360 Gen9
  PciMultimedia:
   
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-47-generic root=/dev/mapper/vg00-root ro cgroup_enable=memory swapaccount=1
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-47-generic N/A
   linux-backports-modules-4.4.0-47-generic  N/A
   linux-firmware                            1.157.5
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/13/2016
  dmi.bios.vendor: HP
  dmi.bios.version: P89
  dmi.board.name: ProLiant DL360 Gen9
  dmi.board.vendor: HP
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrP89:bd09/13/2016:svnHP:pnProLiantDL360Gen9:pvr:rvnHP:rnProLiantDL360Gen9:rvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL360 Gen9
  dmi.sys.vendor: HP

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