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[SOLVED] The interface eth0 doesn't get initialized.

After the last update my eth0 interface from my motherboard stopped working, the current workaround I'm using is a ETH2USB adapter (or before that, Android USB tethering).
Code: [Select]
$ 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: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
    link/ether 52:54:00:00:4e:7f brd ff:ff:ff:ff:ff:ff
4: usb0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether 5a:c2:35:5c:4a:fb brd ff:ff:ff:ff:ff:ff
6: eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 00:e0:4c:68:4a:ec brd ff:ff:ff:ff:ff:ff
(The eth0 in this case is the ETH2USB adapter, not the mobo ethernet)

Code: [Select]
$ lspci -k | grep -i eth
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Code: [Select]
$ rc-status
Runlevel: default
 dbus                                                                                        [  started 00:16:59 (0) ]
 cupsd                                                                                       [  started 00:16:57 (0) ]
 libvirtd                                                                                                [  started  ]
 netmount                                                                                                [  started  ]
 local                                                                                                   [  started  ]
 agetty.tty1                                                                                 [  started 00:16:57 (0) ]
 agetty.tty4                                                                                 [  started 00:16:57 (0) ]
 agetty.tty6                                                                                 [  started 00:16:57 (0) ]
 agetty.tty3                                                                                 [  started 00:16:57 (0) ]
 agetty.tty5                                                                                 [  started 00:16:57 (0) ]
 agetty.tty2                                                                                 [  started 00:16:57 (0) ]
Dynamic Runlevel: hotplugged
Dynamic Runlevel: needed/wanted
 virtlogd                                                                                                [  started  ]
 avahi-daemon                                                                                [  started 00:16:57 (0) ]
Dynamic Runlevel: manual

I'm on  artixlinux 6.3.4-artix1-1. Tried the current lts and zen builds and the problem persisted there as well.

I also blacklisted the module "r8169" because I had a similiar issue on Arch some years ago and that solved it, in this case it doesn't do anything as far as I can tell.
When I booted the Artix live USB that I have lying around, the ethernet from my motherboard worked without any problems, it had an older kernel though (i think).
I would like to use my normal ethernet connection again, so any advice is greatly appreciated, if you need more logs/information, ask and I'll post it.

Re: The interface eth0 doesn't get initialized.

Reply #1 –
One more thing I found out that could be the culprit.
Code: [Select]
$ lsmod
Module                  Size  Used by
r8153_ecm              16384  0
r8152                 163840  1 r8153_ecm
8021q                  45056  0
garp                   16384  1 8021q
mrp                    20480  1 8021q
rndis_host             24576  0
cdc_ether              24576  2 r8153_ecm,rndis_host
usbnet                 61440  3 r8153_ecm,rndis_host,cdc_ether
mii                    16384  2 usbnet,r8152
fuse                  204800  2
xt_CHECKSUM            16384  1
xt_MASQUERADE          20480  3
xt_conntrack           16384  1
ipt_REJECT             16384  2
nf_reject_ipv4         16384  1 ipt_REJECT
xt_tcpudp              20480  0
nft_compat             24576  7
x_tables               61440  6 xt_conntrack,nft_compat,xt_tcpudp,xt_CHECKSUM,ipt_REJECT,xt_MASQUERADE
nft_chain_nat          16384  2
nf_nat                 65536  2 nft_chain_nat,xt_MASQUERADE
nf_conntrack          204800  3 xt_conntrack,nf_nat,xt_MASQUERADE
nf_defrag_ipv6         24576  1 nf_conntrack
nf_defrag_ipv4         16384  1 nf_conntrack
nf_tables             352256  156 nft_compat,nft_chain_nat
nfnetlink              20480  2 nft_compat,nf_tables
bridge                442368  0
stp                    16384  2 bridge,garp
llc                    16384  3 bridge,stp,garp
dm_multipath           49152  0
dm_mod                225280  1 dm_multipath
vfat                   24576  1
fat                   102400  1 vfat
intel_rapl_msr         20480  0
intel_rapl_common      36864  1 intel_rapl_msr
edac_mce_amd           57344  0
kvm_amd               204800  0
snd_hda_codec_realtek   196608  1
kvm                  1327104  1 kvm_amd
snd_hda_codec_generic   114688  1 snd_hda_codec_realtek
irqbypass              16384  1 kvm
snd_hda_codec_hdmi     94208  1
btrfs                2056192  1
crct10dif_pclmul       16384  1
crc32_pclmul           16384  0
snd_hda_intel          65536  0
polyval_clmulni        16384  0
snd_usb_audio         442368  0
polyval_generic        16384  1 polyval_clmulni
snd_intel_dspcfg       36864  1 snd_hda_intel
gf128mul               16384  1 polyval_generic
snd_intel_sdw_acpi     20480  1 snd_intel_dspcfg
ghash_clmulni_intel    16384  0
snd_usbmidi_lib        53248  1 snd_usb_audio
eeepc_wmi              16384  0
snd_hda_codec         217088  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_rawmidi            53248  1 snd_usbmidi_lib
sha512_ssse3           49152  0
asus_wmi               77824  1 eeepc_wmi
aesni_intel           401408  0
blake2b_generic        24576  0
snd_seq_device         16384  1 snd_rawmidi
ledtrig_audio          16384  2 snd_hda_codec_generic,asus_wmi
crypto_simd            16384  1 aesni_intel
xor                    24576  1 btrfs
snd_hda_core          139264  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
sparse_keymap          16384  1 asus_wmi
raid6_pq              122880  1 btrfs
mc                     90112  1 snd_usb_audio
cryptd                 32768  2 crypto_simd,ghash_clmulni_intel
snd_hwdep              20480  2 snd_usb_audio,snd_hda_codec
platform_profile       16384  1 asus_wmi
libcrc32c              16384  4 nf_conntrack,nf_nat,btrfs,nf_tables
mousedev               24576  0
joydev                 28672  0
rapl                   20480  0
snd_pcm               200704  5 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_hda_core
rfkill                 40960  2 asus_wmi
sp5100_tco             20480  0
snd_timer              53248  1 snd_pcm
wmi_bmof               16384  0
pcspkr                 16384  0
k10temp                16384  0
snd                   151552  12 snd_hda_codec_generic,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
i2c_piix4              36864  0
ccp                   151552  1 kvm_amd
soundcore              16384  1 snd
gpio_amdpt             20480  0
mac_hid                16384  0
gpio_generic           24576  1 gpio_amdpt
acpi_cpufreq           32768  0
ext4                 1163264  5
crc32c_generic         16384  0
crc16                  16384  1 ext4
mbcache                16384  1 ext4
jbd2                  217088  1 ext4
usbhid                 77824  0
amdgpu              11722752  19
i2c_algo_bit           20480  1 amdgpu
drm_ttm_helper         16384  1 amdgpu
ttm                   102400  2 amdgpu,drm_ttm_helper
video                  73728  2 asus_wmi,amdgpu
drm_buddy              20480  1 amdgpu
gpu_sched              57344  1 amdgpu
drm_display_helper    208896  1 amdgpu
crc32c_intel           24576  12
cec                    86016  1 drm_display_helper
xhci_pci               24576  0
wmi                    45056  3 video,asus_wmi,wmi_bmof
xhci_pci_renesas       24576  1 xhci_pci

The module at the top "r8152" and "r8153_ecm" sound like they could be realtek drivers for the ethernet controler, but as I posted earlier, mine is "RTL8111/8168/8411" . Maybe the system uses the same driver for more cards I dont know. Could this be the problem, if so how do I fix it?

Re: The interface eth0 doesn't get initialized.

Reply #2 –
Quote from: rawel – on
When I booted the Artix live USB that I have lying around, the ethernet from my motherboard worked without any problems, ...

In your previous posts you do not mention with a word which iso was used for the installation.

I assume that your machine is not directly connected to the internet.

To my knowledge no LAN connection will work without connman or networkmanager or dhcpcd.
"Wer alles kann, macht nichts richtig"

Artix USE="runit openrc slim openbox lxde gtk2 qt4 qt5 qt6 conky
-gtk3 -gtk4 -adwaita{cursors,themes,icons} -gnome3 -kde -plasma -wayland "

Re: The interface eth0 doesn't get initialized.

Reply #3 –
Quote from: lq – on
Quote from: rawel – on
When I booted the Artix live USB that I have lying around, the ethernet from my motherboard worked without any problems, ...

In your previous posts you do not mention with a word which iso was used for the installation.

I assume that your machine is not directly connected to the internet.

To my knowledge no LAN connection will work without connman or networkmanager or dhcpcd.

I have installed Artix around circa 2 years ago so I don't know exactly which version of the ISO I used, as for the live rescue iso I used  "artix-lxqt-openrc-20230306-x86_64.iso".
The ethernet cable goes from a switch  that I have hooked up to an access point which is connected to the main router to my motherboard. The connection worked for 2 years and still works inside the live usb so I'm pretty convinced it isn't a HW failure.
As for the programs, I have all of them installed, I don't think the problem is there,  Android USB tethering and the ETH2USB adapter work without a problem.
Code: [Select]
$ pacman -Q connman networkmanager dhcpcd
connman 1.41-1
networkmanager 1.42.6-1
dhcpcd 10.0.1-1
  

My best guess would be that some modules handling my motherboard's ethernet interface aren't being used/loaded properly.

Re: The interface eth0 doesn't get initialized.

Reply #4 –
Quote from: rawel – on
Code: [Select]
$ pacman -Q connman networkmanager dhcpcd
connman 1.41-1
networkmanager 1.42.6-1
dhcpcd 10.0.1-1
  

Code: [Select]
pacman -Q connman-openrc networkmanager-openrc dhcpcd-openrc
"Wer alles kann, macht nichts richtig"

Artix USE="runit openrc slim openbox lxde gtk2 qt4 qt5 qt6 conky
-gtk3 -gtk4 -adwaita{cursors,themes,icons} -gnome3 -kde -plasma -wayland "

Re: The interface eth0 doesn't get initialized.

Reply #5 –
Quote from: lq – on
Quote from: rawel – on
Code: [Select]
$ pacman -Q connman networkmanager dhcpcd
connman 1.41-1
networkmanager 1.42.6-1
dhcpcd 10.0.1-1
  

Code: [Select]
pacman -Q connman-openrc networkmanager-openrc dhcpcd-openrc

I had to do
Code: [Select]
pacman -S networkmanager-openrc dhcpcd-openrc
. Added them to the default runlevel and started them. The problem still persists, I don't think its an issue of these high-level programs, rather a problem with the kernel and/or its modules. The eth0 interface is not being shown in:
Code: [Select]
ip link

Only the loopback interface and a virtual bridge are recognized.

Re: The interface eth0 doesn't get initialized.

Reply #6 –
Solved. I think.
Code: [Select]
pacman -S r8168 r8168-lts
did it for me. The interface shows up and my ethernet connection works now. Weird that it has just dissapeared after an update though.