Hi Shengyao, According to Lenovo, the issue can be reproduced on a failed system in Windows environment. Would you please try? If you can see the same result, let's do debug in Windows environment.
Please provide your system information for me to understand if it is vPro or non-vPro system. -- SoC Model: BIOS version: Windows version: Windows LAN driver version: ME FW version: -- If you can reproduce the issue in Windows, please follow steps below to collect logs. 1.) Boot to system to S0 2.) Unzip the folder 3.) Open Windows PowerShell as administrator in the folder of debug tool 4.) Run start_trace.bat e1d 0xffffffff 5.) Start to reproduce the issue 6. Run stop_trace.bat e1d 0xffffffff Rex ** Attachment added: "Intel-LAN-Trace-Tool.zip" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927925/+attachment/5523584/+files/Intel-LAN-Trace-Tool.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1927925 Title: Massive network problems with I219-V on Thinkpad T14 Gen2 (e1000e) To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1927925/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs