group.of.nepali.translators team mailing list archive

[Dan Streetman <dan.streetman+launchpad@xxxxxxxxxxxxx>]

** Changed in: linux-aws (Ubuntu)
       Status: Fix Released => Fix Committed

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https://bugs.launchpad.net/bugs/1668129

Title:
  Amazon I3 Instance Buffer I/O error on dev nvme0n1

Status in linux package in Ubuntu:
  Triaged
Status in linux-aws package in Ubuntu:
  Fix Committed
Status in linux source package in Xenial:
  Triaged
Status in linux-aws source package in Xenial:
  Fix Committed

Bug description:
  On the AWS i3 instance class - when putting the new NVME storage disks
  under high IO load - seeing data corruption and errors in dmesg

  [  662.884390] blk_update_request: I/O error, dev nvme0n1, sector 120063912
  [  662.887824] Buffer I/O error on dev nvme0n1, logical block 14971093, lost async page write
  [  662.891254] Buffer I/O error on dev nvme0n1, logical block 14971094, lost async page write
  [  662.895591] Buffer I/O error on dev nvme0n1, logical block 14971095, lost async page write
  [  662.899873] Buffer I/O error on dev nvme0n1, logical block 14971096, lost async page write
  [  662.904179] Buffer I/O error on dev nvme0n1, logical block 14971097, lost async page write
  [  662.908458] Buffer I/O error on dev nvme0n1, logical block 14971098, lost async page write
  [  662.912287] Buffer I/O error on dev nvme0n1, logical block 14971099, lost async page write
  [  662.916047] Buffer I/O error on dev nvme0n1, logical block 14971100, lost async page write
  [  662.920285] Buffer I/O error on dev nvme0n1, logical block 14971101, lost async page write
  [  662.924565] Buffer I/O error on dev nvme0n1, logical block 14971102, lost async page write
  [  663.645530] blk_update_request: I/O error, dev nvme0n1, sector 120756912
  <snip>
  [ 1012.752265] blk_update_request: I/O error, dev nvme0n1, sector 3744
  [ 1012.755396] buffer_io_error: 194552 callbacks suppressed
  [ 1012.755398] Buffer I/O error on dev nvme0n1, logical block 20, lost async page write
  [ 1012.759248] Buffer I/O error on dev nvme0n1, logical block 21, lost async page write
  [ 1012.763368] Buffer I/O error on dev nvme0n1, logical block 22, lost async page write
  [ 1012.767271] Buffer I/O error on dev nvme0n1, logical block 23, lost async page write
  [ 1012.771314] Buffer I/O error on dev nvme0n1, logical block 24, lost async page write

  Able to replicate this with a bonnie++ stress test.

  bonnie++ -d /mnt/test/ -r 1000

  Linux i-0d76e144d85f487cf 4.4.0-64-generic #85-Ubuntu SMP Mon Feb 20 11:50:30 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
  ---
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Feb 27 02:12 seq
   crw-rw---- 1 root audio 116, 33 Feb 27 02:12 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.5
  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:
  CRDA: N/A
  DistroRelease: Ubuntu 16.04
  Ec2AMI: ami-bc62b2aa
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: us-east-1d
  Ec2InstanceType: i3.2xlarge
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  IwConfig: Error: [Errno 2] No such file or directory
  JournalErrors:
   Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
         Users in the 'systemd-journal' group can see all messages. Pass -q to
         turn off this notice.
   No journal files were opened due to insufficient permissions.
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  MachineType: Xen HVM domU
  Package: linux (not installed)
  PciMultimedia:

  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-64-generic root=UUID=cfda0544-9803-41e7-badb-43563085ff3a ro console=tty1 console=ttyS0
  ProcVersionSignature: Ubuntu 4.4.0-64.85-generic 4.4.44
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-64-generic N/A
   linux-backports-modules-4.4.0-64-generic  N/A
   linux-firmware                            N/A
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial ec2-images
  Uname: Linux 4.4.0-64-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  WifiSyslog:

  _MarkForUpload: True
  dmi.bios.date: 12/12/2016
  dmi.bios.vendor: Xen
  dmi.bios.version: 4.2.amazon
  dmi.chassis.type: 1
  dmi.chassis.vendor: Xen
  dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd12/12/2016:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr:
  dmi.product.name: HVM domU
  dmi.product.version: 4.2.amazon
  dmi.sys.vendor: Xen

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