Ubuntu 18.04 slow connection requests
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I just updated my T450s to Ubuntu 18.04 LTS and since then the connection request time is just horrible. If I make any connection to the internet, be it curl, ping or a normal website call it takes 3-5 seconds before anything happens. Only then the actuall connection is being established.
What I tried so far:
- It is intependend of medium (WIFI/ Cable)
- It is not the DNS as a ping to e.g. 8.8.8.8 still takes time before it starts after pressing enter
- It is not the internet connection itself as I can download and upload with full speed and its the same issue on LAN
- It is not a networek isuue as my dekstop computer and phone do not have this issue
- It is not a hardware issue with the laptop as the problem does not persist with a live booted Ubuntu 18.04.
I'm pretty clueless as to what the issue is and even more so how to debug it properly. I ran strace with the ' -T ' for ping and could identify some calls that are repeatedly taking ~ one second. But I don't know enough about the internals of linux to understand that. I can post said output if neccessary.
Thanks for any help in advance
networking internet 18.04
asked May 12 at 20:49
Fabian
5029
add a comment |Â
up vote
1
down vote
favorite
I just updated my T450s to Ubuntu 18.04 LTS and since then the connection request time is just horrible. If I make any connection to the internet, be it curl, ping or a normal website call it takes 3-5 seconds before anything happens. Only then the actuall connection is being established.
What I tried so far:
- It is intependend of medium (WIFI/ Cable)
- It is not the DNS as a ping to e.g. 8.8.8.8 still takes time before it starts after pressing enter
- It is not the internet connection itself as I can download and upload with full speed and its the same issue on LAN
- It is not a networek isuue as my dekstop computer and phone do not have this issue
- It is not a hardware issue with the laptop as the problem does not persist with a live booted Ubuntu 18.04.
I'm pretty clueless as to what the issue is and even more so how to debug it properly. I ran strace with the ' -T ' for ping and could identify some calls that are repeatedly taking ~ one second. But I don't know enough about the internals of linux to understand that. I can post said output if neccessary.
Thanks for any help in advance
networking internet 18.04
asked May 12 at 20:49
Fabian
5029
anybody? It's really bothering me
– Fabian
May 15 at 20:59
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I just updated my T450s to Ubuntu 18.04 LTS and since then the connection request time is just horrible. If I make any connection to the internet, be it curl, ping or a normal website call it takes 3-5 seconds before anything happens. Only then the actuall connection is being established.
What I tried so far:
- It is intependend of medium (WIFI/ Cable)
- It is not the DNS as a ping to e.g. 8.8.8.8 still takes time before it starts after pressing enter
- It is not the internet connection itself as I can download and upload with full speed and its the same issue on LAN
- It is not a networek isuue as my dekstop computer and phone do not have this issue
- It is not a hardware issue with the laptop as the problem does not persist with a live booted Ubuntu 18.04.
I'm pretty clueless as to what the issue is and even more so how to debug it properly. I ran strace with the ' -T ' for ping and could identify some calls that are repeatedly taking ~ one second. But I don't know enough about the internals of linux to understand that. I can post said output if neccessary.
Thanks for any help in advance
networking internet 18.04
asked May 12 at 20:49
Fabian
5029
I just updated my T450s to Ubuntu 18.04 LTS and since then the connection request time is just horrible. If I make any connection to the internet, be it curl, ping or a normal website call it takes 3-5 seconds before anything happens. Only then the actuall connection is being established.
What I tried so far:
- It is intependend of medium (WIFI/ Cable)
- It is not the DNS as a ping to e.g. 8.8.8.8 still takes time before it starts after pressing enter
- It is not the internet connection itself as I can download and upload with full speed and its the same issue on LAN
- It is not a networek isuue as my dekstop computer and phone do not have this issue
- It is not a hardware issue with the laptop as the problem does not persist with a live booted Ubuntu 18.04.
I'm pretty clueless as to what the issue is and even more so how to debug it properly. I ran strace with the ' -T ' for ping and could identify some calls that are repeatedly taking ~ one second. But I don't know enough about the internals of linux to understand that. I can post said output if neccessary.
Thanks for any help in advance
networking internet 18.04
asked May 12 at 20:49
Fabian
5029
asked May 12 at 20:49
Fabian
5029
asked May 12 at 20:49
Fabian
5029
asked May 12 at 20:49
Fabian
5029
5029
anybody? It's really bothering me
– Fabian
May 15 at 20:59
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13
add a comment |Â
anybody? It's really bothering me
– Fabian
May 15 at 20:59
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13
anybody? It's really bothering me
– Fabian
May 15 at 20:59
anybody? It's really bothering me
– Fabian
May 15 at 20:59
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13
add a comment |Â
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anybody? It's really bothering me
– Fabian
May 15 at 20:59
this worked for me: askubuntu.com/questions/1029723/…
– eskararriba
Jun 22 at 8:13