Driver iwlwifi for Intel Wireless-AC 9560 is slow and unreliable in kernel 4.15.0-20-generic
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Triaged
|
Medium
|
Unassigned | ||
Bionic |
Fix Released
|
Medium
|
Unassigned |
Bug Description
This is a hardware specific issue with Ubuntu 18.04 and kernel 4.15.0-20-generic. The driver for the Intel AC 9560 wireless chip causes the problem. Driver location: https:/
The wifi connection is very slow (1MB instead of 100MB possible download speed, upload speed is normal) and is also very unreliable.
When installing the 4.16 kernel from mainline kernel http://
Sytem data:
Description: Ubuntu 18.04 LTS
Release: 18.04
Package:
4.15.0-20-generic
driver=iwlwifi driverversion=
---
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2018-05-19 (2 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: Acer Swift SF114-32
Package: linux (not installed)
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
XDG_RUNTIME_
LANG=de_AT.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.173
Tags: bionic
Uname: Linux 4.15.0-20-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/02/2018
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.03
dmi.board.name: Sapporo_GL
dmi.board.vendor: GLK
dmi.board.version: V1.03
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.
dmi.modalias: dmi:bvnInsydeCo
dmi.product.family: Swift 1
dmi.product.name: Swift SF114-32
dmi.product.
dmi.sys.vendor: Acer
---
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2018-05-19 (2 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
Package: linux (not installed)
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
XDG_RUNTIME_
LANG=de_AT.UTF-8
SHELL=/bin/bash
Tags: bionic
Uname: Linux 4.15.18-
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
CVE References
description: | updated |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in linux (Ubuntu Bionic): | |
status: | Triaged → Fix Committed |
tags: | added: cscc |
Changing target package to linux instead of linux-firmware as problem is fixed by newer kernel.