Help - eno1: Detected Hardware Unit Hang

zainejj

New Member
Oct 31, 2022
3
2
3
My server has been encountering this issue time to time but much more encounters recently.
I only tried, manually rebooting it by holding power off then on.
This is the logs I retrieve
https://pastebin.com/xTTUXh77

Device
Kernel Version
Linux 5.15.30-2-pve #1 SMP PVE 5.15.30-3 (Fri, 22 Apr 2022 18:08:27 +0200

# lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:9b51]
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9bca] (rev 04)
00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model [8086:1911]
00:12.0 Signal processing controller [1180]: Intel Corporation Comet Lake Thermal Subsytem [8086:02f9]
00:14.0 USB controller [0c03]: Intel Corporation Comet Lake PCH-LP USB 3.1 xHCI Host Controller [8086:02ed]
00:14.2 RAM memory [0500]: Intel Corporation Comet Lake PCH-LP Shared SRAM [8086:02ef]
00:16.0 Communication controller [0780]: Intel Corporation Comet Lake Management Engine Interface [8086:02e0]
00:17.0 SATA controller [0106]: Intel Corporation Comet Lake SATA AHCI Controller [8086:02d3]
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:02bf] (rev f0)
00:1d.0 PCI bridge [0604]: Intel Corporation Device [8086:02b4] (rev f0)
00:1f.0 ISA bridge [0601]: Intel Corporation Comet Lake PCH-LP LPC Premium Controller/eSPI Controller [8086:0284]
00:1f.3 Audio device [0403]: Intel Corporation Comet Lake PCH-LP cAVS [8086:02c8]
00:1f.4 SMBus [0c05]: Intel Corporation Comet Lake PCH-LP SMBus Host Controller [8086:02a3]
00:1f.5 Serial bus controller [0c80]: Intel Corporation Comet Lake SPI (flash) Controller [8086:02a4]
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (10) I219-V [8086:0d4f]
01:00.0 Network controller [0280]: Qualcomm Atheros AR93xx Wireless Network Adapter [168c:0030] (rev 01)
02:00.0 Non-Volatile memory controller [0108]: Realtek Semiconductor Co., Ltd. RTS5763DL NVMe SSD Controller [10ec:5762] (rev 01)

What other information is needed do let me know, how do I resolve this?
 
Last edited:
Hi,
it might be the issue from this thread which is likely a hardware bug. Please try the the workaround with turning off offloading mentioned there.
 
Hi,
it might be the issue from this thread which is likely a hardware bug. Please try the the workaround with turning off offloading mentioned there.
Thank you, I've tried that and this is the result

root@promox:~# ethtool -K eno1 tso off gso off
root@promox:~# cat /etc/network/interfaces
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!

auto lo
iface lo inet loopback

iface eno1 inet manual

auto vmbr0
iface vmbr0 inet static
address 192.168.100.11/24
gateway 192.168.100.1
bridge-ports eno1
bridge-stp off
bridge-fd 0

iface wlp1s0 inet manual

Is everything done correctly? When I input the tso off gso off nothing was prompted
 
You can check with ethtool -k eno1 if the tcp-segmentation-offload and generic-segmentation-offload settings are now off. To make it persistent, you'll need to add a post-up entry in your network configuration (see the linked post again).
 
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You can check with ethtool -k eno1 if the tcp-segmentation-offload and generic-segmentation-offload settings are now off. To make it persistent, you'll need to add a post-up entry in your network configuration (see the linked post again).
Yes I've added on /etc/networking/interfaces

iface eno1 inet manual
post-up /usr/sbin/ethtool -K $IFACE tso off gso off 2> /dev/null

Did a reboot and ran
ethtool -k eno1

Tcp and generic segmentation is off
Hope this 2 can resolve otherwise will need to switch off everything
 

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