Bug 198695

Created attachment 274019 [details]
Hardinfo Generated System Report and Information

PLEASE SEE THE ORIGINAL BUG REPORT AT CANONICAL'S LAUNCHPAD: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747701

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Download speeds are incredibly slow over Ethernet using an SS USB (3.x) to Gigabit Ethernet adapter.
The problem is not with the ISP or router configuration, as I have tested on several devices with both WiFi and Gigabit Ethernet, prioritizing traffic to the device testing from.

Direct internet speeds to my router are a solid ~90 Down/~90 Up.
WiFi speeds tend to be around 80 Down/80 Up on my Linux system I am having the issue with, and Gigabit Ethernet speeds vary anywhere from 2-10 Down/20-65 Up.

I've never once had a time where WiFi actually performed *better* than a solid network connection, either.

See the attached HardInfo Generated System Report and below Ubuntu-Bug debugging info.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-lowlatency 4.13.0.32.34
ProcVersionSignature: Ubuntu 4.13.0-32.35-lowlatency 4.13.13
Uname: Linux 4.13.0-32-lowlatency x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jeb 12678 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 6 10:31:29 2018
HibernationDevice: RESUME=UUID=dc0e59b0-c3f8-4113-9ea4-87b3b2e0c112
MachineType: Dell Inc. Inspiron 13-5368
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-lowlatency root=UUID=b0b38a57-52b5-4e23-be9e-85197724f378 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-32-lowlatency N/A
 linux-backports-modules-4.13.0-32-lowlatency N/A
 linux-firmware 1.169.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/14/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.14.0
dmi.board.name: 01DC01
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.14.0:bd09/14/2017:svnDellInc.:pnInspiron13-5368:pvr:rvnDellInc.:rn01DC01:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 13-5368
dmi.sys.vendor: Dell Inc.