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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1772467
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1772467
Title:
Driver iwlwifi for Intel Wireless-AC 9560 is slow and unreliable in
kernel 4.15.0-20-generic
Status in linux package in Ubuntu:
Incomplete
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://www.intel.com/content/www/us/en/support/articles/000005511
/network-and-i-o/wireless-networking.html
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://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16/ the described
problem is solved.
Sytem data:
Description: Ubuntu 18.04 LTS
Release: 18.04
Package:
4.15.0-20-generic
driver=iwlwifi driverversion=4.15.0-20-generic firmware=34.0.0
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