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#1 2018-09-03 20:21:29

vinnom
Member
Registered: 2013-11-24
Posts: 42

[SOLVED]No internet connection after updating to linux 4.18

Hi all!

I updated my system on 09-01 and linux 4.18 was installed (core/linux 4.18.5.arch1-1 to be precise).

My daily usage is with linux-ck though, which was updated too. It doesn't matter much as this problem happens on both.

Well, after reboot, I lost my internet connection. I first thought was the cable, but nope. I have arch on dual boot with windows and in windows I can browse the net just fine.

Then I tried to follow the wiki and some tips to get network configuration to work and nothing.

My last try was to reinstall linux-ck (Linux 4.17.11-6-ck) and that just worked. However, I thought that reporting it would be nice as didn't see any thread about it yet.

So below is some outputs from commands that I've tried:

ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp1s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 00:e0:4c:69:24:ea brd ff:ff:ff:ff:ff:ff
3: enp0s7: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether bc:5f:f4:a2:fb:f1 brd ff:ff:ff:ff:ff:ff

*** this one I ran after disabling all dhcpcd and re-enabling dhcpcd and reboot. It changed nothing (still no connection), it just that ip route didn't gave me any output
when trying to use start the dhcpcd@enp1s8

ip route
default via 192.168.1.1 dev enp1s8 proto dhcp src 192.168.1.7 metric 202 
192.168.1.0/24 dev enp1s8 proto dhcp scope link src 192.168.1.7 metric 202 
ping -c 4 192.168.1.7
PING 192.168.1.7 (192.168.1.7) 56(84) bytes of data.
64 bytes from 192.168.1.7: icmp_seq=1 ttl=64 time=0.032 ms
64 bytes from 192.168.1.7: icmp_seq=2 ttl=64 time=0.020 ms
64 bytes from 192.168.1.7: icmp_seq=3 ttl=64 time=0.026 ms
64 bytes from 192.168.1.7: icmp_seq=4 ttl=64 time=0.025 ms

--- 192.168.1.7 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 97ms
rtt min/avg/max/mdev = 0.020/0.025/0.032/0.007 ms
ping -c 4 www.google.com.br
ping: www.google.com.br: Temporary failure in name resolution
ping -c 4 8.8.8.8
connect: Network is unreachable
systemctl --failed
  UNIT                         LOAD   ACTIVE SUB    DESCRIPTION                                
* dhcpcd@enp1s8.service        loaded failed failed dhcpcd on enp1s8                           

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.

1 loaded unit listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
sudo systemctl status dhcpcd@enp1s8
* dhcpcd@enp1s8.service - dhcpcd on enp1s8
   Loaded: loaded (/usr/lib/systemd/system/dhcpcd@.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Mon 2018-09-03 16:22:28 -03; 44s ago
  Process: 5169 ExecStart=/usr/bin/dhcpcd -q -w enp1s8 (code=exited, status=1/FAILURE)

Sep 03 16:21:58 archvinnom dhcpcd[5169]: enp1s8: IAID 4c:69:24:ea
Sep 03 16:21:58 archvinnom dhcpcd[5169]: enp1s8: soliciting a DHCP lease
Sep 03 16:21:59 archvinnom dhcpcd[5169]: enp1s8: soliciting an IPv6 router
Sep 03 16:22:11 archvinnom dhcpcd[5169]: enp1s8: no IPv6 Routers available
Sep 03 16:22:28 archvinnom dhcpcd[5169]: timed out
Sep 03 16:22:28 archvinnom dhcpcd[5169]: timed out
Sep 03 16:22:28 archvinnom dhcpcd[5169]: dhcpcd exited
Sep 03 16:22:28 archvinnom systemd[1]: dhcpcd@enp1s8.service: Control process exited, code=exited status=1
Sep 03 16:22:28 archvinnom systemd[1]: dhcpcd@enp1s8.service: Failed with result 'exit-code'.
Sep 03 16:22:28 archvinnom systemd[1]: Failed to start dhcpcd on enp1s8.
dmesg | grep r8169
[    4.041132] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[    4.041619] r8169 0000:01:08.0: not PCI Express
[    4.043127] r8169 0000:01:08.0 eth0: RTL8169sb/8110sb, 00:e0:4c:69:24:ea, XID 10000000, IRQ 19
[    4.043130] r8169 0000:01:08.0 eth0: jumbo features [frames: 7152 bytes, tx checksumming: ok]
[    4.141115] r8169 0000:01:08.0 enp1s8: renamed from eth0
[    6.846598] r8169 0000:01:08.0 enp1s8: link down
[    6.846602] r8169 0000:01:08.0 enp1s8: link down
[    8.445650] r8169 0000:01:08.0 enp1s8: link up
[  176.505743] r8169 0000:01:08.0 enp1s8: link down
[  176.505760] r8169 0000:01:08.0 enp1s8: link down
[  178.144374] r8169 0000:01:08.0 enp1s8: link up
sudo dhcpcd enp1s8
main: control_open: Connection refused
DUID 00:01:00:01:22:7f:6d:2c:bc:5f:f4:a2:fb:f1
enp1s8: IAID 4c:69:24:ea
enp1s8: soliciting an IPv6 router
enp1s8: soliciting a DHCP lease
enp1s8: no IPv6 Routers available
timed out
dhcpcd exited

the output of the journalctl I pasted on gist, as it is too big for here.

sudo journalctl -xe

If any other command should be ran or any other info is needed, I'm glad to try it here.

PS: I forgot to save the output of lspci, but it is the same from now (that I'm linux-ck 4.17)

lspci -k | grep Ethernet
00:07.0 Bridge: NVIDIA Corporation MCP61 Ethernet (rev a2)
01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10)
	Subsystem: Realtek Semiconductor Co., Ltd. RTL8169/8110 Family PCI Gigabit Ethernet NIC

edit reason: solved

EDIT:

Linux 4.18-8 solved the issue.

Last edited by vinnom (2018-09-16 21:06:38)

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#2 2018-09-03 23:16:51

jbenge1
Member
From: Lordran
Registered: 2018-04-09
Posts: 90

Re: [SOLVED]No internet connection after updating to linux 4.18

This is probably outdated but maybe try this? https://bbs.archlinux.org/viewtopic.php?id=138636


"Dr. Madden, why don't the natural numbers include 0?" -me
"....... Take a philosophy course" -Dr. Madden

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#3 2018-09-03 23:54:52

loqs
Member
Registered: 2014-03-06
Posts: 5,804

Re: [SOLVED]No internet connection after updating to linux 4.18

What is the full dmesg output from a 4.17 boot and a 4.18 boot?

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#4 2018-09-04 02:10:12

vinnom
Member
Registered: 2013-11-24
Posts: 42

Re: [SOLVED]No internet connection after updating to linux 4.18

jbenge1 wrote:

This is probably outdated but maybe try this? https://bbs.archlinux.org/viewtopic.php?id=138636

I saw this, but I didn't want to try the static IP workaround. But I can check if it works later


loqs wrote:

What is the full dmesg output from a 4.17 boot and a 4.18 boot?

full dmesg 4.17
full dmesg 4.18

edit reason: cleaning

Last edited by vinnom (2018-09-04 02:16:54)

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#5 2018-09-04 07:19:40

seth
Member
Registered: 2012-09-03
Posts: 8,112

Re: [SOLVED]No internet connection after updating to linux 4.18

You can avoid IPv6 w/o resorting to a static adress.
https://wiki.archlinux.org/index.php/IPv6#Disable_IPv6
https://wiki.archlinux.org/index.php/IPv6#dhcpcd_2

You may also try dhclient  instead of dhcpcd, but the apparent kernel version dependency make a protocol handling issue unlikely.

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#6 2018-09-04 15:20:38

loqs
Member
Registered: 2014-03-06
Posts: 5,804

Re: [SOLVED]No internet connection after updating to linux 4.18

8d98aa39b8d497e4c3da8c3973456ff710b68693 to 6d8b834989f56066499cb25fd7d60169ed5e188b lots of commits to r8169 for 4.18.
I would suggest bisecting either just drivers/net/ethernet/realtek between 4.17 and 4.18 or the entire tree between 4.17 and 4.18.

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#7 2018-09-05 21:35:56

DeadMetaler
Member
Registered: 2016-03-16
Posts: 38

Re: [SOLVED]No internet connection after updating to linux 4.18

Long waiting for this thread to confirm...
Same issue for me and same PCI-card.



02:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10)
	Subsystem: Realtek Semiconductor Co., Ltd. RTL8169/8110 Family PCI Gigabit Ethernet NIC
	Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 20
	I/O ports at d000 [size=256]
	Memory at fe120000 (32-bit, non-prefetchable) [size=256]
	Expansion ROM at fe100000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

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#8 2018-09-06 01:47:54

vinnom
Member
Registered: 2013-11-24
Posts: 42

Re: [SOLVED]No internet connection after updating to linux 4.18

seth wrote:

You can avoid IPv6 w/o resorting to a static adress.
https://wiki.archlinux.org/index.php/IPv6#Disable_IPv6
https://wiki.archlinux.org/index.php/IPv6#dhcpcd_2

You may also try dhclient  instead of dhcpcd, but the apparent kernel version dependency make a protocol handling issue unlikely.

It didn't change much, just log will not contain message about IPv6 xD

loqs wrote:

8d98aa39b8d497e4c3da8c3973456ff710b68693 to 6d8b834989f56066499cb25fd7d60169ed5e188b lots of commits to r8169 for 4.18.
I would suggest bisecting either just drivers/net/ethernet/realtek between 4.17 and 4.18 or the entire tree between 4.17 and 4.18.

Yep, you're right. And I just saw that there is a ton more of commits to it. I'll wait one more week or so (lots of work here until them) and see if after next update things change. If it doesn't, I'll try your suggestion and report here.

EDIT:
for what I saw, Torvalds tree is at least 5 commits ahead from Arch tree regarding r8169. Maybe there is something here which will help me out

Last edited by vinnom (2018-09-06 01:58:49)

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#9 2018-09-06 15:07:48

loqs
Member
Registered: 2014-03-06
Posts: 5,804

Re: [SOLVED]No internet connection after updating to linux 4.18

@DeadMetaler while vinnom will be busy for the next week could you try 4.19-rc3 / 4.19-rc2 or bisecting 4.17-4.18?

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#10 2018-09-07 10:54:24

DeadMetaler
Member
Registered: 2016-03-16
Posts: 38

Re: [SOLVED]No internet connection after updating to linux 4.18

loqs wrote:

@DeadMetaler while vinnom will be busy for the next week could you try 4.19-rc3 / 4.19-rc2 or bisecting 4.17-4.18?

Too lazy for compiling kernel and I just found and installed Manjaro's kernel 4.19rc2.
It's not booting to my GNOME but I checked from TTY console and pacman updates databases with connected internet.

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#11 2018-09-16 15:08:24

DeadMetaler
Member
Registered: 2016-03-16
Posts: 38

Re: [SOLVED]No internet connection after updating to linux 4.18

Fixed issue for me with 4.18.8 kernel.

Last edited by DeadMetaler (2018-09-16 15:08:35)

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#12 2018-09-16 21:05:06

vinnom
Member
Registered: 2013-11-24
Posts: 42

Re: [SOLVED]No internet connection after updating to linux 4.18

DeadMetaler wrote:

Fixed issue for me with 4.18.8 kernel.

I can confirm that
There was no need to bisect or try rc packages. I'll mark topic as solved
Thanks for the help

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