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**GreyGeek** · Aug 17, 2020, 06:05 PM

I saw your post of Oct 29, 2016 and the fixes you applied there.
A couple of possibilities.
1) roll back to an older kernel
2) set "nohwcrypt

isable hardware encryption. (bool)" to false

I did a modinfo rt2800pci in a Konsole and that "nohwcrypt" is the ONLY parm that can be set when one loads the driver: modprobe rt2800pci nohwcrypt=0 (or by setting up an rt2800pci.conf file).

One other possibility, no pretty but it works, and that is to get an economical wifi stick from Amazon.
https://www.amazon.com/linux-wifi-ad...f=sr_nr_p_85_1

**pemartins** · Aug 18, 2020, 02:10 AM

@GreyGeek thank you very much for your help.

Getting a wifi stick is not practical for me, my laptop only has a couple of usb slots and they're both always in use, I do not have one to spare.

Changing the kernel could solve the issue? I will for sure consider this if another solution can't be found.

About 2) please talk to me like if I was a computer genius... in googling and copy and pasting... and nothing else!

Those tweaks are to be made where?

Meanwhile I've tried redirecting resolv.conf to a file made by me that won't include nameserver 127.0.0.53 and only nameserver 8.8.8.8. Since I've tried that I haven't lost the ip yet and was able to download that file mentioned in the first post of this thread. But it's too soon to judge if it is workaround or not.
For some reason, beside possibly being the cause of the issue, nameserver 127.0.0.53 appears to make webpages on the browser load slowly.

Again thank you very much for your help!

**GreyGeek** · Aug 18, 2020, 06:01 AM

Your shortage of USB ports can be solved by getting a powered 2.0 USB Hub. A passive hub is limited to the fanout of a single USB port, and that might not be enough power an external drive unless its cable has two connectors that can spread the load.

I bought this one in Dec of 2013 and it works great:
https://www.amazon.com/AmazonBasics-...ronics&sr=1-11

I replaced my CDROM with a CDCaddy so I could put in a 3rd HD and to replace the CDROM I purchased an external CDROM
https://www.amazon.com/External-Port...tronics&sr=1-5
It's good to plug this into a powered USB hub as well.

If your computer has a single 3.0 USB port, like mine, you can get a powered 3.0 USB hub.
https://www.amazon.com/Sabrent-Charg...11&s=pc&sr=1-4

**GreyGeek** · Aug 18, 2020, 06:19 AM

About modinfo and related commands:
https://eng.libretexts.org/Courses/D..._lsmod_Command

https://eng.libretexts.org/Courses/D..._lsmod_Command

There is a manual process using created conf files and setting the parameters in them but now we use systemd.
https://linuxize.com/post/sysctl-command-in-linux/

**pemartins** · Aug 18, 2020, 03:42 PM

Once again thank you very much for your precious help and for your time!

So what I mentioned that I did about the nameserver did not work and the connection still lost the ip address at some time.

After that i figured out 2) and typed the following instructions on Konsole:

Code:

[FONT=monospace]echo "options rt2800pci nohwcrypt=0" | sudo tee /etc/modprobe.d/rt2800pci.conf
[/FONT]sudo modprobe -rfv rt2800pci
sudo modprobe -v rt2800pci[FONT=monospace]
[/FONT]

While I cannot not yet say if it solved the problem or not, what I can happily say is that your instructions made my web browser open web pages way faster than it did before. I mean way, way faster!

I will report back any developments on the issue.

Thank you!

**pemartins** · Aug 20, 2020, 03:56 AM

Originally posted by GreyGeek View Post

1) roll back to an older kernel

Could you please help me out on this one? I could not find a gui way to install and set a different kernel, in example like Linux Mint has.

I was just browsing the web on my laptop on Android-x86 7.1r4, which uses kernel 4.19, and it makes the browsers in Kubuntu look like they are using a dial-up connection. It is incredibly faster. So I wanted to test kernel 4.19 (and maybe also 4.9) on Kubuntu 20.04.How can I do this?

I'm sorry for troubling you again. Thank you very much in advance.

**pemartins** · Aug 20, 2020, 03:27 PM

I figured out how to install the kernels, I found an app named "Mainline" and was able to install and test different kernels. Tried both the latest 4.19 and the latest 5.7, unfortunately neither showed any improvements concerning the web pages loading speed.

**GreyGeek** · Aug 21, 2020, 09:02 AM

How much faster is "way, way faster"?
Is your browser fast enough that the current kernel can be used?
What kernel were you using when your wifi worked normally? Install it and see if that helps. It may, however, interfere with changes that expect the newest kernel, but testing is the way to find out.

**pemartins** · Aug 22, 2020, 02:08 PM

Yes I tested some kernels and I think that finally I've got the wifi stable, fast and the web pages loading at a normal good speed.
@GreyGeek thank you so much for all your help, time and patience!

- - -

So... I'm going to list what I did and it was a lot of stuff, each small thing helped improving either on stability or speeding up the connection.
It's going to sound like something that is not advisable to do, I did so many things that it looks like I went on google, browsed for fixes and tweaks and applied everything I kept on finding. Well I kinda did that but on a trial and error basis, and the following list contains only the tweaks that helped me achieve a good wifi connection in focal 20.04.

1- Changed wifi router settings, moved to channel 9 and changed encryption to WPA2-AES with no WEP or TKIP.

2- Set wifi power save to off:

Code:

sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

3- Set my country code, which is PT:

Code:

sudo iw reg set PT
sudo sed -i 's/^REG.*=$/&PT/' /etc/default/crda

4- Set nohwcrypt to zero:

Code:

echo "options rt2800pci nohwcrypt=0" | sudo tee /etc/modprobe.d/rt2800pci.conf
sudo modprobe -rfv rt2800pci
sudo modprobe -v rt2800pci

5- Installed resolvconf, set cloudfare's dns to be used because is the faster one for me, created a file named resolv_cloudfare.conf in etc containing solely the cloudfare dns (this is not clever but it stops network manager from overwriting resolv.conf) and linked the resolv.conf file to it and (re)started the service:

Code:

sudo apt-get install resolvconf
echo "nameserver 1.1.1.1" | sudo tee -a /etc/resolvconf/resolv.conf.d/head > /dev/null
echo "nameserver 1.1.1.1" | sudo tee /etc/resolv_cloudfare.conf > /dev/null
sudo mv /etc/resolv.conf /etc/resolv.conf.bak
sudo ln -s /etc/resolv_cloudfare.conf /etc/resolv.conf
sudo systemctl restart resolvconf.service
sudo modprobe -rfv rt2800pci
sudo modprobe -v rt2800pci

6- Stopped and disabled systemd-resolved:

Code:

sudo systemctl stop systemd-resolved
sudo systemctl disable systemd-resolved

7- Disabled ipv6:

Code:

sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1
sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1

8- Set IPv4 precedence over IPv6 by uncommenting #precedence ::ffff:0:0/96 100 in the file /etc/gai.conf

9- Since I use tlp, I made sure tlp was setting the wifi power save always to off by editing /etc/tlp.conf:

Code:

WIFI_PWR_ON_AC=off
WIFI_PWR_ON_BAT=off

10- On the wifi connection I applied these tweaks:

Code:

Wifi
Restricted to device (MAC address do modem)

IPv4
Method: Manual
DNS: 1.1.1.1,1.0.0.1
Address: 192.168.1.7
Netmask: 255.255.255.0
Gateway: 192.168.1.1

IPv6
Method: Ignored

11- I installed an application with gui for easily install/remove kernels named Mainline and installed the latest release of kernel 4.20. And applied the tweaks concerning the kernel again.

12- And, why not... I even discovered an amazing web browser called Waterfox and it is probably the fastest web browser around these days (it's based on Firefox so all the addons are there). It is now my default browser.

That was about it. Cheaper by the dozen!

**jlittle** · Aug 22, 2020, 04:30 PM

Thank you for posting the details.

Originally posted by pemartins View Post

5- Installed resolvconf, set google dns to be used ...

In my country (NZ), or maybe just with my ISP, Google DNS goes to Sydney, with a ping of 31 ms or so, but Cloudflare (on 1.1.1.1 or 2606:4700:4700::1111) is 7 ms, suggesting the response comes from the same equipment that I connect to at my ISP.

**pemartins** · Aug 22, 2020, 05:27 PM

I googled what you said and even considered using google translator

lol but I think I figured it out, it means that for you Cloudfare's 1.1.1.1 is faster than google, right?

Is the way I can find that out for me to just type on konsole ping 8.8.8.8 and ping 1.1.1.1?
If so, here are the results, I kindly ask you to look at them and let me know which one is better:

Code:

pemartins@pemartins-X55U: ~ $ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=118 time=26.3 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=118 time=25.1 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=118 time=25.9 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=118 time=25.0 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=118 time=25.9 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=118 time=33.7 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=118 time=23.9 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=118 time=24.7 ms
64 bytes from 8.8.8.8: icmp_seq=9 ttl=118 time=31.5 ms
^C
--- 8.8.8.8 ping statistics ---
9 packets transmitted, 9 received, 0% packet loss, time 8009ms
rtt min/avg/max/mdev = 23.880/26.868/33.685/3.178 ms
pemartins@pemartins-X55U: ~ $ ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=59 time=19.3 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=59 time=25.4 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=59 time=89.4 ms
64 bytes from 1.1.1.1: icmp_seq=4 ttl=59 time=24.7 ms
64 bytes from 1.1.1.1: icmp_seq=5 ttl=59 time=16.8 ms
64 bytes from 1.1.1.1: icmp_seq=6 ttl=59 time=16.3 ms
64 bytes from 1.1.1.1: icmp_seq=7 ttl=59 time=19.1 ms
64 bytes from 1.1.1.1: icmp_seq=8 ttl=59 time=17.8 ms
64 bytes from 1.1.1.1: icmp_seq=9 ttl=59 time=16.1 ms
^C
--- 1.1.1.1 ping statistics ---
9 packets transmitted, 9 received, 0% packet loss, time 8011ms

I'm streaming the UFC event, do not know if it can influence the results.

Btw I made a correction to nohwcrypt, I screw that up and it does have to be nohwcrypt=0. I had it set to one and just lost ip twice in a row.

Again I can't state that enough: thank you very much!

**GreyGeek** · Aug 22, 2020, 07:04 PM

Nice report! Thanks for passing that info along. Others will benefit from it. "Paying it forward!"

**pemartins** · Aug 22, 2020, 09:28 PM

Passing the info was the least I could do. Specially because I realized that many people are having wifi issues in *Ubuntu 20.04.
I can now say that my wifi is working in perfection but when I first installed 20.04 (fresh install) the wifi literally did not last one minute. Literally.

As I am not exactly a computer genius (far, waaaaaayyyy far), I make use of tools like CherryTree to keep entries/logs of every single solution for every single problem I have found at some point in Linux. Even every app I install and remove is in there for each OS, in case I need to do it again or do a fresh install in a future version. So all I had to do was copy my "wifi fix 20.04" entry and paste it on the thread.

Just a note, I changed google to cloudfare in the info, it makes web pages loading even faster.

**jlittle** · Aug 23, 2020, 04:54 AM

Originally posted by pemartins View Post

it means that for you Cloudfare's 1.1.1.1 is faster than google, right?

Yes, 4 times faster.

I was thinking maybe pt is to es like nz is to au, and the Google DNS might be in es.

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Ralink RT5390 wifi issues on focal 20.04

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