Public bug reported:
Intel I226-V Ethernet fails after suspend/resume on Ubuntu 26.04.
Hardware:
Intel I226-V [8086:125c], rev 06
Driver: igc
Kernel: 7.0.0-31-generic
Steps:
1. Ethernet works normally.
2. Suspend system.
3. Resume.
4. eno2 becomes unavailable and Ethernet does not reconnect.
5. Reloading the igc module restores the interface:
sudo modprobe -r igc
sudo modprobe igc
After reload, carrier returns, NetworkManager obtains DHCP address
192.168.1.10, and Ethernet works normally.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-31-generic 7.0.0-31.31
ProcVersionSignature: Ubuntu 7.0.0-31.31-generic 7.0.14
Uname: Linux 7.0.0-31-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Sep 20 09:57:59 2026
InstallationDate: Installed on 2026-09-18 (2 days ago)
InstallationMedia: Ubuntu 26.04.1 LTS "Resolute Raccoon" - Release amd64
(20260826)
IwDevWlo1Link: Not connected.
MachineType: ASUS System Product Name
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-31-generic
root=UUID=6f7598f7-82dc-4ea2-9204-aa3d9d9687ee ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/28/2023
dmi.bios.release: 4.4
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0404
dmi.board.asset.tag: Default string
dmi.board.name: ROG STRIX Z790-F GAMING WIFI II
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0404:bd09/28/2023:br4.4:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGSTRIXZ790-FGAMINGWIFIII:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:pfaTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2167785
Title:
ethernet connection breaks after wakeup
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