apport information

** Attachment added: "Lspci.txt"
   https://bugs.launchpad.net/bugs/1806106/+attachment/5217746/+files/Lspci.txt

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https://bugs.launchpad.net/bugs/1806106

Title:
  Inconsistent/slow file transfer speed TO Ubuntu 18.04

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When trying to transfer a file from Windows 10 to Ubuntu 18.04 over
  samba, transfer speed fluctuates up and down between 20MB/s and
  110MB/s. When transfering from Ubuntu to Windows 10 speed is steady at
  90MB/s (instead of 110MB due to a bug that I've already reported)

  Iperf3 shows consistent speeds without any fluctuation.

  I'm quite disappointed because there was no such problem a few weeks before. 
I'm guessing that this may have been an update that broke it. It's unlikely 
that I wouldn't have noticed it, because I was troubleshooting another issue 
related to transfer speeds.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  django     2115 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2018-11-09 (20 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  IwConfig:
   enp0s31f6  no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: MSI MS-7A69
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-39-generic 
root=UUID=991b4393-3308-4615-97c8-9854b3bdc67e ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-39-generic N/A
   linux-backports-modules-4.15.0-39-generic  N/A
   linux-firmware                             1.173.2
  RfKill:
   
  Tags:  bionic
  Uname: Linux 4.15.0-39-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/29/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: A.60
  dmi.board.asset.tag: Default string
  dmi.board.name: B250M MORTAR ARCTIC (MS-7A69)
  dmi.board.vendor: MSI
  dmi.board.version: 2.0
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 2.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrA.60:bd06/29/2018:svnMSI:pnMS-7A69:pvr2.0:rvnMSI:rnB250MMORTARARCTIC(MS-7A69):rvr2.0:cvnMSI:ct3:cvr2.0:
  dmi.product.family: Default string
  dmi.product.name: MS-7A69
  dmi.product.version: 2.0
  dmi.sys.vendor: MSI

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