Re: kernel-4.13.5-200.fc26.x86_64 DNS slowdown?

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On 10/11/17 20:26, Patrick O'Callaghan wrote:
> I installed the above kernel this morning and immediately experienced
> very noticeable delays in accessing websites (2 or 3 seconds each
> time), apparently caused by slow DNS lookups. The same happened when
> running a 'ping' from the Shell, so I don't think the browser (Chrome) 
> is to blame.
>
> Rebooting with 4.13.4-200.fc26.x86_64 fixed the problem immediately.
>
> Anyone else notice this?

Examples of the sites you've tried?  Whose DNS server are you using?   If your ISP,
can you change to 8.8.8.8 (google's servers)?

I'm not having any problem.

[egreshko@meimei ~]$ uname -r
4.13.5-200.fc26.x86_64

[egreshko@meimei ~]$ time host bbc.co.uk
bbc.co.uk has address 212.58.246.79
bbc.co.uk has address 212.58.244.23
bbc.co.uk has address 212.58.244.22
bbc.co.uk has address 212.58.246.78
bbc.co.uk has IPv6 address 2001:41c1:4008::bbc:1
bbc.co.uk has IPv6 address 2001:41c1:400c::bbc:1
bbc.co.uk has IPv6 address 2001:41c1:4008::bbc:2
bbc.co.uk has IPv6 address 2001:41c1:400c::bbc:2
bbc.co.uk has IPv6 address 2001:41c1:4008::bbc:3
bbc.co.uk has IPv6 address 2001:41c1:4008::bbc:4
bbc.co.uk has IPv6 address 2001:41c1:400c::bbc:4
bbc.co.uk has IPv6 address 2001:41c1:400c::bbc:3
bbc.co.uk mail is handled by 10 cluster1.eu.messagelabs.com.
bbc.co.uk mail is handled by 20 cluster1a.eu.messagelabs.com.

real    0m0.155s
user    0m0.008s
sys     0m0.002s

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