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#26 2019-04-24 19:50:01

HaCeMei
Member
Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

loqs wrote:

@HaCeMei is the NIC light on if you use the live media?

As I wrote there *is* no light.

zod wrote:

Well there is only 1 way to know for sure, it's an easy thing to test.

No change with 127.0.0.1


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#27 2019-04-24 20:00:05

HaCeMei
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Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

loqs wrote:

r8169 is the driver for the wired NIC and iwlwifi for the wireless NIC from the journal output.

They both show up in lsmod.

loqs wrote:

'ip r' is equivalent to 'ip route' and without options prints the routing table.

The output is empty. It seems, there is no routing table.


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#28 2019-04-24 20:02:55

ewaller
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From: Pasadena, CA
Registered: 2009-07-13
Posts: 19,739

Re: No connection after fresh install

And, there is no IPv4 address.  We need to trouble shoot that first.

Do you have access to the router logs?  It would be interesting to see what happens when your system tries to acquire an address from the DHCP server.


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#29 2019-04-24 20:11:19

seth
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Registered: 2012-09-03
Posts: 49,972

Re: No connection after fresh install

Apr 24 21:33:17 schenker kernel: random: crng init done

is pretty late, try https://wiki.archlinux.org/index.php/Haveged and if that doesn't help, https://aur.archlinux.org/packages/r8168-dkms/ - r8169 has recently casued quite some issues.

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#30 2019-04-24 20:24:28

Zod
Member
From: Hoosiertucky
Registered: 2019-03-10
Posts: 629

Re: No connection after fresh install

No change with 127.0.0.1

Did you reboot?

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#31 2019-04-24 21:02:35

HaCeMei
Member
Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

ewaller wrote:

Do you have access to the router logs?

I do have access to the router (fritzbox 7590). There is an entry showing *schenker* among the devices that have been connected. But no entry in "System/Ereignisse" (System/Events) can be linked to that computer

zod wrote:

Did you reboot?

Sure I did.

seth wrote:

is pretty late,

Yes, it is. Give up for today.


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#32 2019-04-24 21:04:33

seth
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Registered: 2012-09-03
Posts: 49,972

Re: No connection after fresh install

I meant that the crng init happens pretty late during the boot process ;-)

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#33 2019-04-24 21:11:15

Zod
Member
From: Hoosiertucky
Registered: 2019-03-10
Posts: 629

Re: No connection after fresh install

Sure I did.

Now, to tie it all together, make sure that all the network services like networkmanager, dhcpcd and the like are disabled so no conflicting services and that there is no 127.0.1.1 entries in the hosts file.

These two definatly need to be disabled

NetworkManager.service 
dhcpcd.service

These two I'm not sure about, maybe they get spawned by networkmanager?

NetworkManager-dispatcher.service       
NetworkManager-wait-online.service

reboot

manually run dhcpcd against your wired interface.

Last edited by Zod (2019-04-24 21:30:27)

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#34 2019-04-24 21:39:36

HaCeMei
Member
Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

Zod wrote:

Sure I did.

Now, to tie it all together, make sure that all the network services like networkmanager, dhcpcd and the like are disabled so no conflicting services and that there is no 127.0.1.1 entries in the hosts file.

These two definatly need to be disabled

NetworkManager.service 
dhcpcd.service

These two I'm not sure about, maybe they get spawned by networkmanager?

NetworkManager-dispatcher.service       
NetworkManager-wait-online.service

reboot

manually run dhcpcd against your wired interface.

Went through it once more. Same result as before > #8


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#35 2019-04-24 21:43:05

Zod
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From: Hoosiertucky
Registered: 2019-03-10
Posts: 629

Re: No connection after fresh install

Could you post the output from when you ran dhcpcd?

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#36 2019-04-25 07:36:46

arch00
Member
Registered: 2019-04-23
Posts: 5

Re: No connection after fresh install

Well, I suggest that you add to /etc/resolv.conf the following DNSs:
nameserver 8.8.8.8
nameserver 8.8.4.4
And this another ones:
nameserver 2001:4860:4860::8888
nameserver 2001:4860:4860::8844
Try with that.

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#37 2019-04-25 07:50:47

seth
Member
Registered: 2012-09-03
Posts: 49,972

Re: No connection after fresh install

Apr 24 21:32:47 schenker systemd[1]: Starting dhcpcd on enp57s0f1...
…
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: waiting for carrier
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: carrier acquired
Apr 24 21:32:48 schenker kernel: r8169 0000:39:00.1 enp57s0f1: Link is Down
…
Apr 24 21:32:48 schenker systemd[1]: Found device Wireless 8265 / 8275 (Dual Band Wireless-AC 8265).
Apr 24 21:32:48 schenker dhcpcd[492]: DUID 00:04:9f:93:75:df:1d:3d:42:9c:89:95:76:63:58:78:05:9b
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: IAID 5b:64:65:2e
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: adding address fe80::377:ba00:fc88:c921
…
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: carrier lost
…
Apr 24 21:32:48 schenker kernel: random: dhcpcd: uninitialized urandom read (112 bytes read)
Apr 24 21:32:48 schenker dhcpcd[492]: enp57s0f1: deleting address fe80::377:ba00:fc88:c921
…
Apr 24 21:32:49 schenker systemd[1]: Starting dhcpcd on wlp58s0...
…
Apr 24 21:32:49 schenker dhcpcd[532]: dhcpcd_prestartinterface: wlp58s0: Operation not possible due to RF-kill
Apr 24 21:32:49 schenker dhcpcd[532]: dhcpcd_prestartinterface: wlp58s0: Operation not possible due to RF-kill
Apr 24 21:32:49 schenker dhcpcd[532]: wlp58s0: waiting for carrier
…
Apr 24 21:32:50 schenker dhcpcd[492]: enp57s0f1: carrier acquired
Apr 24 21:32:50 schenker kernel: r8169 0000:39:00.1 enp57s0f1: Link is Up - 1Gbps/Full - flow control off
Apr 24 21:32:50 schenker kernel: IPv6: ADDRCONF(NETDEV_CHANGE): enp57s0f1: link becomes ready
Apr 24 21:32:50 schenker dhcpcd[492]: enp57s0f1: IAID 5b:64:65:2e
Apr 24 21:32:50 schenker dhcpcd[492]: enp57s0f1: adding address fe80::377:ba00:fc88:c921
…
Apr 24 21:32:51 schenker dhcpcd[492]: enp57s0f1: soliciting a DHCP lease
Apr 24 21:32:51 schenker dhcpcd[492]: enp57s0f1: soliciting an IPv6 router
…
Apr 24 21:33:04 schenker dhcpcd[492]: enp57s0f1: no IPv6 Routers available
Apr 24 21:33:17 schenker kernel: random: crng init done
Apr 24 21:33:18 schenker dhcpcd[492]: timed out
Apr 24 21:33:18 schenker dhcpcd[492]: timed out
Apr 24 21:33:18 schenker dhcpcd[492]: dhcpcd exited
Apr 24 21:33:18 schenker systemd[1]: dhcpcd@enp57s0f1.service: Control process exited, code=exited, status=1/FAILURE
Apr 24 21:33:18 schenker systemd[1]: dhcpcd@enp57s0f1.service: Failed with result 'exit-code'.
Apr 24 21:33:18 schenker systemd[1]: Failed to start dhcpcd on enp57s0f1.
…
Apr 24 21:33:19 schenker dhcpcd[532]: timed out
Apr 24 21:33:19 schenker dhcpcd[532]: timed out
Apr 24 21:33:19 schenker systemd[1]: dhcpcd@wlp58s0.service: Control process exited, code=exited, status=1/FAILURE
Apr 24 21:33:19 schenker dhcpcd[532]: dhcpcd exited
Apr 24 21:33:19 schenker systemd[1]: dhcpcd@wlp58s0.service: Failed with result 'exit-code'.
Apr 24 21:33:19 schenker systemd[1]: Failed to start dhcpcd on wlp58s0.

There're two obvious issues in the above
1. The "uninitialized urandom read" (thus see haveged)
2. the somewhat jumpy carrier, which could be due to the driver - or the cable (seating)

The wifi isn't used because it's rfkill'd (ie. switched off)


DNS configuration is *completely* off topic, since there's no connection to begin with (and post #6 already established that pinging an IP fails, making a DNS issue impossible)

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#38 2019-04-25 15:07:29

HaCeMei
Member
Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

Thank you all for your effort. Helped me to learn a lot.

Since I need the notebook urgently for work I've postponed the Arch installation for now. Lubuntu is not quite what I want, but works ootb.

Last edited by HaCeMei (2019-04-25 15:08:35)


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#39 2019-04-25 15:10:49

seth
Member
Registered: 2012-09-03
Posts: 49,972

Re: No connection after fresh install

If it's th r8619 driver or the crng situation, you will eventually run into the same issue once *buntu gets a more recent kernel.
You can btw. install various systems in parallel and keep investigating on the issue (where installing and enabling haveged or the r8168 module isn't *that* much of a testing effort to begin with…)

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#40 2019-04-25 15:25:31

HaCeMei
Member
Registered: 2013-03-24
Posts: 37

Re: No connection after fresh install

seth wrote:

If it's th r8619 driver or the crng situation, you will eventually run into the same issue once *buntu gets a more recent kernel.
You can btw. install various systems in parallel and keep investigating on the issue (where installing and enabling haveged or the r8168 module isn't *that* much of a testing effort to begin with…)

Thanks, seth, will keep that in mind and will be back here as soon as my schedule allows.


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