Worth keeping an eye on

https://bugzilla.kernel.org/show_bug.cgi?id=219143


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On Tuesday, August 18th, 2026 at 7:16 AM, Loys
<[email protected]> wrote:

> ** Also affects: linux-hwe-7.0 (Ubuntu)
>    Importance: Undecided
>        Status: New
> 
> ** No longer affects: linux-hwe-7.0 (Ubuntu)
> 
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2107548
> 
> Title:
>   igc driver does not survive ram suspend on hwe-6.11, up to 7.0.0 also
> 
> Status in linux-hwe-6.11 package in Ubuntu:
>   Confirmed
> Status in linux-hwe-6.11 source package in Noble:
>   Confirmed
> Status in linux-hwe-7.0 source package in Noble:
>   New
> 
> Bug description:
>   When resuming from ram suspend the the 2.5Gb Intel built-in card does not 
> work (I-226V)
>   ```
>   $ lspci |grep Ethernet
>   07:00.0 Ethernet controller: Intel Corporation Ethernet Controller I226-V 
> (rev 06)
>   ```
> 
>   ```
>   mastier@drakkar:~$ sudo ip l sh eno1
>   23: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT 
> group default qlen 1000
>       link/ether a0:36:bc:ac:f6:8a brd ff:ff:ff:ff:ff:ff
>       altname enp7s0
>   mastier@drakkar:~$ sudo ip l s l dev eno1 up
>   RTNETLINK answers: No such device
>   mastier@drakkar:~$ sudo ip l sh eno1
>   23: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT 
> group default qlen 1000
>       link/ether a0:36:bc:ac:f6:8a brd ff:ff:ff:ff:ff:ff
>       altname enp7s0
>   ```
> 
>   The fix is re-insert module
> 
>   ```
>   [ 2687.927233] igc 0000:07:00.0 eno1: PHC removed
>   [ 2692.020030] igc 0000:07:00.0: PTM enabled, 4ns granularity
>   [ 2692.048418] igc 0000:07:00.0 (unnamed net_device) (uninitialized): PHC 
> added
>   [ 2692.073239] igc 0000:07:00.0: 4.000 Gb/s available PCIe bandwidth (5.0 
> GT/s PCIe x1 link)
>   [ 2692.073250] igc 0000:07:00.0 eth0: MAC: a0:36:bc:ac:f6:8a
>   [ 2692.076482] igc 0000:07:00.0 eno1: renamed from eth0
>   [ 2695.587200] igc 0000:07:00.0 eno1: NIC Link is Up 2500 Mbps Full Duplex, 
> Flow Control: RX
>   [ 6041.407826] igc 0000:07:00.0 eno1: PHC removed
>   [ 6060.445029] igc 0000:07:00.0: PTM enabled, 4ns granularity
>   [ 6060.473313] igc 0000:07:00.0 (unnamed net_device) (uninitialized): PHC 
> added
>   [ 6060.500429] igc 0000:07:00.0: 4.000 Gb/s available PCIe bandwidth (5.0 
> GT/s PCIe x1 link)
>   [ 6060.500444] igc 0000:07:00.0 eth0: MAC: a0:36:bc:ac:f6:8a
>   [ 6060.504291] igc 0000:07:00.0 eno1: renamed from eth0
>   [ 6063.991791] igc 0000:07:00.0 eno1: NIC Link is Up 2500 Mbps Full Duplex, 
> Flow Control: RX
>   ```
> 
>   After that it works back again
> 
>   ```
>   20: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
> group default qlen 1000
>       link/ether a0:36:bc:ac:f6:8a brd ff:ff:ff:ff:ff:ff
>       altname enp7s0
>       inet 192.168.101.153/24 brd 192.168.101.255 scope global dynamic 
> noprefixroute eno1
>          valid_lft 86359sec preferred_lft 86359sec
>       inet6 fe80::a236:bcff:feac:f68a/64 scope link
>          valid_lft forever preferred_lft forever
>   ```
> 
>   ProblemType: Bug
>   DistroRelease: Ubuntu 24.04
>   Package: linux-image-6.11.0-21-generic 6.11.0-21.21~24.04.1+1
>   ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
>   Uname: Linux 6.11.0-21-generic x86_64
>   NonfreeKernelModules: zfs
>   ApportVersion: 2.28.1-0ubuntu3.5
>   Architecture: amd64
>   CRDA: N/A
>   CasperMD5CheckResult: unknown
>   CurrentDesktop: ubuntu:GNOME
>   Date: Thu Apr 17 11:27:12 2025
>   MachineType: ASUS System Product Name
>   ProcEnviron:
>    LANG=en_US.UTF-8
>    PATH=(custom, no user)
>    SHELL=/bin/bash
>    TERM=xterm-256color
>    XDG_RUNTIME_DIR=<set>
>   ProcFB: 0 i915drmfb
>   ProcKernelCmdLine: 
> BOOT_IMAGE=/BOOT/ubuntu_1mwuiv@/vmlinuz-6.11.0-21-generic 
> root=ZFS=rpool/ROOT/ubuntu_1mwuiv ro init_on_alloc=0 intel_iommu=on iommu=pt 
> vfio-pci.ids=10de:2504,10de:228e modprobe.blacklist=nouveau 
> modprobe.blacklist=nvidia quiet
>   PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
> PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-6.11.0-21-generic N/A
>    linux-backports-modules-6.11.0-21-generic  N/A
>    linux-firmware                             20240318.git3b128b60-0ubuntu2.11
>   SourcePackage: linux-hwe-6.11
>   UpgradeStatus: Upgraded to noble on 2024-09-05 (224 days ago)
>   dmi.bios.date: 10/30/2024
>   dmi.bios.release: 18.5
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: 1805
>   dmi.board.asset.tag: Default string
>   dmi.board.name: PRIME Z790-A WIFI
>   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.:bvr1805:bd10/30/2024:br18.5:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ790-AWIFI:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
>   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
>   mtime.conffile..etc.logrotate.d.apport: 2023-08-24T03:09:53.125138
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.11/+bug/2107548/+subscriptions
> 
>

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https://bugs.launchpad.net/bugs/2107548

Title:
  igc driver does not survive ram suspend on hwe-6.11, up to 7.0.0 also

To manage notifications about this bug go to:
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