Proxmox 6.8.12-9-pve kernel has introduced a problem with network connection - enp0s31f6 Intel NIC

Today morning I upgraded to PVE 8.4 and latest 6.14 kernel and after few hours I encountered same problem.

Looks like ethtool command fixed problem also with 6.14 kernel.
 
timnis said:
Today morning I upgraded to PVE 8.4 and latest 6.14 kernel and after few hours I encountered same problem.

Looks like ethtool command fixed problem also with 6.14 kernel.
Click to expand...
Thanks for the feedback.
Which one did you apply? Hegse's or muzicman0's?
 
Both solutions (Hegse's or the one I posted) do the same basic thing (there may be a few options that are different, but you can change those). What I am not sure about is if the CLI ethtool version will persist across a reboot. I don't think it will, but not 100% sure on that. The interfaces file version will survive a reboot.
 
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I am a linux noob, but chatGPT says:
No, the changes made with ethtool -K do not persist between reboots. You'll need to reapply them at boot via a script (e.g., systemd service or /etc/rc.local) or use a network configuration tool like NetworkManager or systemd-networkd with proper configuration.
Click to expand...
 
I can now confirm that the command get's "forgotten". As I forgot to reapply it after a restart, the PVE network connection froze.
ethtool -K eno1 gso off gro off tso off tx off rx off rxvlan off txvlan off
Click to expand...
 
An old bug that popped up again indeed. Only started appearing for me after running package updates on the 4th of April, including the kernel. Before I had uptimes of weeks. I'll report back when the fix from the past does it magic once again...
 
All related:
A

Thread 'e1000 driver hang'

In the past week we are seeing random e1000e 0000:00:1f.6 eno1: Detected Hardware Unit Hang failuresacross all our nodes, even different hardware hosts. Must do a reset of the host.

There are lots of references to this issue going back 5+ years. Was there a driver change with the latest updates? We've run years with this hardware without issue. Now just this week its popping up all over.

Kernel Version Linux 5.0.21-2-pve #1 SMP PVE 5.0.21-3 (Thu, 05 Sep 2019 13:56:01 +0200)
PVE Manager Version pve-manager/6.0-7/2898402

Sep 22 20:03:08 vmhost03 kernel: [154458.471981] e1000e...
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https://bugzilla.proxmox.com/show_bug.cgi?id=6273
 
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