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Hi,
I've recently bought a wi-fi card based on Intel AX200 chipset and it is
extremly slow if compared with same network performances on the same ssid (and
at the same distance from router) on other devices.
These are the details of my network
sudo lshw -C network; lsb_release -a; uname -a
*-network
description: Wireless interface
product: Wi-Fi 6 AX200
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 1a
serial: 8c:c6:81:19:40:65
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet
physical wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=5.8.0-31-generic firmware=55.d9698065.0 cc-a0-55.ucode
ip=192.168.100.8 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:16 memory:febfc000-febfffff
*-network
description: Ethernet interface
product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: b0
serial: 00:24:8c:37:c6:3c
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp
10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=ATL1E
driverversion=5.8.0-31-generic firmware=L1e latency=0 link=no multicast=yes
port=twisted pair
resources: irq:17 memory:fe9c0000-fe9fffff ioport:dc00(size=128)
*-network:0
description: Ethernet interface
physical id: 1
logical name: virbr0
serial: 52:54:00:50:fd:ef
capabilities: ethernet physical
configuration: autonegotiation=off broadcast=yes driver=bridge
driverversion=2.3 firmware=N/A ip=192.168.122.1 link=no multicast=yes
*-network:1 DISABLED
description: Ethernet interface
physical id: 2
logical name: virbr0-nic
serial: 52:54:00:50:fd:ef
size: 10Mbit/s
capabilities: ethernet physical
configuration: autonegotiation=off broadcast=yes driver=tun
driverversion=1.6 duplex=full link=no multicast=yes port=twisted pair
speed=10Mbit/s
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
Release: 20.10
Codename: groovy
Linux mirko-P5QL-PRO 5.8.0-31-generic #33-Ubuntu SMP Mon Nov 23 18:44:54 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
I've tried many of the solutions found on the internet:
- setting the option 11n_disable=1 (slightly improved but still slow)
- setting the option 11n_disable=8
- edit /etc/nsswitch.conf commenting the line "hosts: files
mdns4_minimal [NOTFOUND=return] dns mdns4" and adding the line "hosts:
files dns"
- disabling IPv6 support
But results are still the same and connection keeps being slow (no more
than 15 MB/s vs. 300+ MB/s on my smartphones using the same network).
I hope you can help.
Thanks.
Mirko
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: 20.10 ax200 intel slow ubuntu wireless
--
Wireless card with Intel AX200 chipset downloading very slow on Ubuntu 20.10
https://bugs.launchpad.net/bugs/1906987
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