Now there is no ethernet internet connection...(Solved)

[Armstrong]

I had been experiencing intermittent wireless issues with my internet connection using Linux Mint 20 Cinnamon on an Acer laptop with the Ryzen 5 - 4500u processor. I thought we had solved that issue, but it has returned, with a vengeance, and now the ethernet connection won't work, either. Both the wireless and ethernet connections are functional. I have a dual boot, and I can connect to the internet using either from Windows 10. Furthermore, I can connect, using either wireless or ethernet, to my router when using Linux. All my other devices connect to the internet, too. It is just my laptop when in Linux Mint that has these issues. Below I have pasted the commands and results I had seen requested in similar posts. If something else is required, please let me know and I will be happy to provide it. Any thoughts before I am compelled to do a complete re-install of my sysstems? Thanks.

hunter@Bronzeback:~$ inxi -Fxpmrz
System:
Kernel: 5.8.0-31-generic x86_64 bits: 64 compiler: N/A
Desktop: Cinnamon 4.6.7 Distro: Linux Mint 20 Ulyana
base: Ubuntu 20.04 focal
Machine:
Type: Laptop System: Acer product: Aspire A515-44 v: V1.06
serial: <filter>
Mobo: RO model: Calla_RN v: V1.06 serial: <filter> UEFI: INSYDE v: 1.06
date: 05/13/2020
Battery:
ID-1: BAT1 charge: 51.5 Wh condition: 54.6/53.0 Wh (103%)
model: PANASONIC AP19B5L status: Discharging
Device-1: hidpp_battery_0 model: Logitech Wireless Mouse
charge: 55% (should be ignored) status: Discharging
Memory:
RAM: total: 15.08 GiB used: 986.3 MiB (6.4%)
RAM Report:
permissions: Unable to run dmidecode. Root privileges required.
CPU:
Topology: 6-Core model: AMD Ryzen 5 4500U with Radeon Graphics bits: 64
type: MCP arch: Zen rev: 1 L2 cache: 3072 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
bogomips: 28446
Speed: 1397 MHz min/max: 1400/2375 MHz Core speeds (MHz): 1: 1512 2: 1604
3: 1376 4: 1397 5: 1397 6: 1397
Graphics:
Device-1: AMD Renoir vendor: Acer Incorporated ALI driver: amdgpu
v: kernel bus ID: 05:00.0
Display: x11 server: X.Org 1.20.8 driver: amdgpu,ati
unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz
OpenGL: renderer: AMD RENOIR (DRM 3.38.0 5.8.0-31-generic LLVM 10.0.0)
v: 4.6 Mesa 20.0.8 direct render: Yes
Audio:
Device-1: AMD vendor: Acer Incorporated ALI driver: snd_hda_intel
v: kernel bus ID: 05:00.1
Device-2: AMD Raven/Raven2/FireFlight/Renoir Audio Processor
vendor: Acer Incorporated ALI driver: N/A bus ID: 05:00.5
Device-3: AMD Family 17h HD Audio vendor: Acer Incorporated ALI
driver: snd_hda_intel v: kernel bus ID: 05:00.6
Sound Server: ALSA v: k5.8.0-31-generic
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: Acer Incorporated ALI driver: r8169 v: kernel port: 2000
bus ID: 03:00.0
IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Device-2: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter
vendor: Lite-On driver: ath10k_pci v: kernel port: 2000 bus ID: 04:00.0
IF: wlp4s0 state: up mac: <filter>
Drives:
Local Storage: total: 1.84 TiB used: 481.62 GiB (25.5%)
ID-1: /dev/nvme0n1 vendor: Sabrent model: N/A size: 953.87 GiB
ID-2: /dev/sda vendor: Smart Modular Tech. model: SHGS31-1000GS-2
size: 931.51 GiB
ID-3: /dev/sdb type: USB vendor: SanDisk model: Cruzer size: 1.86 GiB
Partition:
ID-1: / size: 844.16 GiB used: 436.15 GiB (51.7%) fs: ext4
dev: /dev/nvme0n1p5
ID-2: /boot/efi size: 96.0 MiB used: 57.3 MiB (59.6%) fs: vfat
dev: /dev/nvme0n1p1
ID-3: /media/hunter/8082-F60F size: 1.86 GiB used: 249.0 MiB (13.1%)
fs: vfat dev: /dev/sdb1
ID-4: /mnt/E0BAE549BAE51D32 size: 94.11 GiB used: 45.17 GiB (48.0%)
fs: ntfs dev: /dev/nvme0n1p3
Sensors:
System Temperatures: cpu: 35.5 C mobo: N/A gpu: amdgpu temp: 34 C
Fan Speeds (RPM): N/A
Repos:
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/nordvpn.list
1: deb https://repo.nordvpn.com/deb/nordvpn/debian stable main
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http://packages.linuxmint.com ulyana main upstream import backport #id:linuxmint_main
2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
6: deb http://archive.canonical.com/ubuntu/ focal partner
Info:
Processes: 254 Uptime: 2m Init: systemd runlevel: 5 Compilers: gcc: 9.3.0
Shell: bash v: 5.0.17 inxi: 3.0.38
hunter@Bronzeback:~$ rfkill list all
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: acer-bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
hunter@Bronzeback:~$ iwconfig
lo no wireless extensions.

enp3s0 no wireless extensions.

wlp4s0 IEEE 802.11 ESSID:"Royal Coachman"
Mode:Managed Frequency:5.22 GHz Access Point: 00:11:32:B6:A1:81
Bit Rate=6 Mb/s Tx-Power=23 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-33 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:5 Missed beacon:0

hunter@Bronzeback:~$ lsusb
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 0408:a061 Quanta Computer, Inc. HD User Facing
Bus 003 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 002: ID 0781:5530 SanDisk Corp. Cruzer
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 04ca:3016 Lite-On Technology Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
hunter@Bronzeback:~$ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Root Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Renoir IOMMU
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:01.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:01.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus
00:08.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 51)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 5
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 6
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir Device 24: Function 7
02:00.0 Non-Volatile memory controller: Phison Electronics Corporation E12 NVMe Controller (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
04:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)
05:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Renoir (rev c3)
05:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1637
05:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor
05:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1
05:00.4 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1
05:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor (rev 01)
05:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller
06:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 81)
06:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 81)
hunter@Bronzeback:~$

[all41]

I would boot that laptop into a live desktop using the install .iso usb/dvd.
Testing there both wireless and ethernet should reveal whether software or hardware is problematic

[Armstrong]

I would boot that laptop into a live desktop using the install .iso usb/dvd.
Testing there both wireless and ethernet should reveal whether software or hardware is problematic

Thank you for taking the time to respond, but since I can connect to the internet, using both WIFI and ethernet, with Windows 10, and since I can connect to my router, again using both WIFI and ethernet, when I am in Linux Mint 20 Cinnamon, wouldn't that eliminate hardware as the source of the problem? I should also add that these problems seem to appear shortly after updates, or on the first boot after an update. However, that is just my impression. Again, thank you for the response.

[Armstrong]

I have another question: if I restore my Home directory from a backup done December 1st, when I still had internet connectivity, might that work as opposed to doing a complete re-install?

[Larry78723]

No, because the drivers aren't in your /home directory. You'd need to do a Timeshift restore.

[all41]

I would boot that laptop into a live desktop using the install .iso usb/dvd.
Testing there both wireless and ethernet should reveal whether software or hardware is problematic

Thank you for taking the time to respond, but since I can connect to the internet, using both WIFI and ethernet, with Windows 10, and since I can connect to my router, again using both WIFI and ethernet, when I am in Linux Mint 20 Cinnamon, wouldn't that eliminate hardware as the source of the problem? I should also add that these problems seem to appear shortly after updates, or on the first boot after an update. However, that is just my impression. Again, thank you for the response.

I miised the part that Win is connecting on the same laptop. You can also try creating a temporary new user in Users and Groups. Logout and
log in as the new user for testing. New users get a fresh set of config files. If no help then booting to a live desktop environment would be my next
step. Intermittent problems can be difficult

[Armstrong]

Well, for the moment, I have a stop gap solution. I re-installed Linux Mint 20 Cinnamon, however I am using the kernel upgrade from two weeks (I think) ago. It has been a bit of an adventure re-installing all my backed up files, and its going to be a while before I get all the settings tweaked as I had them, but I do have WIFI connectivity to the internet again. I may wait to upgrade the kernel until we are beyond 5.8.0.29. Thanks for all the suggestions.

Edit to add: I am using the 5.8.0-25 kernel, and I am having no WIFI issues.

[Reddog1]

As I posted in another thread--if your hardware is working satisfactorily, and if there are no published kernel vulnerabilities (and those are really rare), stick with the kernel you have. When kernel updates pop up in the Update Manager, right click on them and choose 'ignore this package'. Updating a working kernel is, IMO, just asking for trouble. Been there--done that.

[Pierre]

those kernel packages are an strange beast:
- on this Lenovo Laptop .. no issues
- on another HP Laptop - - constant WiFi issues . .

thus, you do have be aware of updating any of the available kernels, as suggested.

[Armstrong]

those kernel packages are an strange beast:
- on this Lenovo Laptop .. no issues
- on another HP Laptop - - constant WiFi issues . .

thus, you do have be aware of updating any of the available kernels, as suggested.

Based on other threads, I have a suspicion the problems are related to the Qualcom Atheros 6174 WIFI component. Among other things, prior to the last update I had installed, based on one response I had received, I simply changed the bin# (whatever that may be), and that solved the Qualcom issue, at that time. A subsequent kernel update undid that. Regardless, people should appreciate what an incredible resource this forum is. Without it, I would still be using Windows. When Mint dropped KDE, I considered switching to Kubuntu, but I found the forums for that OS to be nowhere near as helpful as this one. So, now I use Cinnamon. I miss Dolphin, but that is about the only downside I have found.

[rethink2]

Dear forum members,
I'm new in this forum and I like to thanks moderators experts and forum members because I already had the chance to learn from your posts and replies.
In particular ... about this one or -very closely- related topic.

I'm using L. Mint Sylvia 18.03 (not too much fanatic about upgrading to newer releases every now and then ... ). Today I discovered I've lost the ethernet port network connectivity (WIFI is Ok!) which was working just three days ago (normally using WIFI). In between these three days I unfortunately allowed a kernel upgrade from the 4.15.0-128-generic to the 4.15.0-132-generic .(I saw notes on the subject suggesting caution on this upgrade specially if not strictly necessary. Next time I will ...).

Any way ..I did some test about it and the following are the findings:

1) plugging the Ethernet cable, the network manager says: 'wired connected', I can browse the router GUI (and likely reach any other local LAN device) but no WAN access like per inxi -i command below:

Code: Select all

maurizio@maurizio-ThinkPad-X61 ~ $ inxi -i
Network:   Card-1: Intel 82566MM Gigabit Network Connection driver: e1000e
           IF: enp0s25 state: up speed: 100 Mbps duplex: full
           mac: 00:1d:72:92:6e:1b
           Card-2: Intel PRO/Wireless 4965 AG or AGN [Kedron] Network Connection
           driver: iwl4965
           IF: wls3 state: up mac: 00:21:5c:03:0e:5f
           WAN IP: None Detected! IF: wls3 ip-v4: 192.168.1.2
           IF: enp0s25 ip-v4: 192.168.1.7
maurizio@maurizio-ThinkPad-X61 ~ $ 

NO WAN IP assigned, no way to browse the Internet!


2) same operation but running IMMEDIATELY inxi -i command:

Code: Select all

maurizio@maurizio-ThinkPad-X61 ~ $ inxi -i
Network:   Card-1: Intel 82566MM Gigabit Network Connection driver: e1000e
           IF: enp0s25 state: up speed: 100 Mbps duplex: full
           mac: 00:1d:72:92:6e:1b
           Card-2: Intel PRO/Wireless 4965 AG or AGN [Kedron] Network Connection
           driver: iwl4965
           IF: wls3 state: up mac: 00:21:5c:03:0e:5f
           WAN IP: 93.33.20.52 IF: wls3 ip-v4: 192.168.1.2
           IF: enp0s25 ip-v4: 192.168.1.7

This WAN IP likely was the one associated to the WIFI connection (up). For a short while I can browse the Network but then the situation reverts to the above 'None Detected!' and Net browsing ceases. (for the router the ethernet LAN port remains the one 'Active').


3) I tried to reboot selecting in Grub older kernels: No way! exactly the same behaviour.


4) I then loaded one live LINUX MINT .iso image. IT WORKED PERFECTLY, both LAN and WLAN where enabled to access the network!


5) Clearly then it was not a Hw related issue, it was not (likely) the Sw image of the new kernel update (because even the older and experimented kernels wehre now failing, but it (likely) was a consequence of that update process. I then remembered the suggestion (just read)

Thank you for taking the time to respond, but since I can connect to the internet, using both WIFI and ethernet, with Windows 10, and since I can connect to my router, again using both WIFI and ethernet, when I am in Linux Mint 20 Cinnamon, wouldn't that eliminate hardware as the source of the problem? I should also add that these problems seem to appear shortly after updates, or on the first boot after an update. However, that is just my impression. Again, thank you for the response.

I miised the part that Win is connecting on the same laptop. You can also try creating a temporary new user in Users and Groups. Logout and
log in as the new user for testing. New users get a fresh set of config files. If no help then booting to a live desktop environment would be my next
step. Intermittent problems can be difficult

... and I did it. AND IT WORKED PERFECTLY creating a new user! Thanks @All41


QUESTION:
Any suggestion on which configuration (I suppose) file might be the guilty one and what to look for?
Many thanks in advance and my apologies for such a long post for a (finally) minor issue, given the new user created is not impaired by this configuration conflict/mis-something.