On Thu, 30 Jan 2025 21:17:30 +0200 "Lifshits, Vitaly" <[email protected]> wrote:
> On 1/30/2025 7:11 PM, Stephen Hemminger wrote: > > I am using: > > > > 5a:00.0 Ethernet controller: Intel Corporation Ethernet Controller I226-LM > > (rev 04) > > Subsystem: Intel Corporation Device 0000 > > Flags: bus master, fast devsel, latency 0, IRQ 19, IOMMU group 20 > > Memory at 6c500000 (32-bit, non-prefetchable) [size=1M] > > Memory at 6c600000 (32-bit, non-prefetchable) [size=16K] > > Capabilities: [40] Power Management version 3 > > Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ > > Capabilities: [70] MSI-X: Enable+ Count=5 Masked- > > Capabilities: [a0] Express Endpoint, IntMsgNum 0 > > Capabilities: [100] Advanced Error Reporting > > Capabilities: [140] Device Serial Number 58-47-ca-ff-ff-7a-98-3d > > Capabilities: [1c0] Latency Tolerance Reporting > > Capabilities: [1f0] Precision Time Measurement > > Capabilities: [1e0] L1 PM Substates > > Kernel driver in use: igc > > Kernel modules: igc > > > > > > Using both Debian testing and my own kernel built from 6.12, the igc > > driver appears broken after resume. > > From which system state are you resuming? > > > > > After resuming the device is down and no address present. > > Attempts to set link up manually fail. > > Did you get any errors in the dmesg log? > What is the firmware version on your device (you can get it by running > ethtool -i)? > > > If I do rmmod/modprobe of igc it comes back. > > > > Doing a bit of bisectting but it is slow going. > > Meanwhile, we'll also try to reproduce this issue in our lab. Could you > share more details about your system so we can create a similar setup? Given that error reported is -ENODEV, might be a generic netdev problem not just for igc device.
