On Fri, 13 Sept 2024 at 09:02, Lifshits, Vitaly <vitaly.lifsh...@intel.com> wrote: > > On 9/12/2024 10:45 PM, Jesper Juhl wrote: > >> Would you be able to decode the stack trace? It may be helpful > >> to figure out which line of code this is: > >> > >> igc_update_stats+0x8a/0x6d0 [igc > >> 22e0a697bfd5a86bd5c20d279bfffd > >> 131de6bb32] > > > > Of course. Just tell me what to do. > > > > - Jesper > > > > On Thu, 12 Sept 2024 at 17:37, Jakub Kicinski <k...@kernel.org> wrote: > >> > >> On Thu, 12 Sep 2024 15:03:14 +0200 Jesper Juhl wrote: > >>> It just happened again. > >>> Same error message, but different stacktrace: > >> > >> Hm, I wonder if it's power management related or the device just goes > >> sideways for other reasons. The crashes are in accessing statistics > >> and the relevant function doesn't resume the device. But then again, > >> it could just be that stats reading is the most common control path > >> operation. > >>
I doubt it's related to power management since the machine is not idle when this happens. > >> Hopefully the Intel team can help. > >> > >> Would you be able to decode the stack trace? It may be helpful > >> to figure out which line of code this is: > >> > >> igc_update_stats+0x8a/0x6d0 [igc > >> 22e0a697bfd5a86bd5c20d279bfffd131de6bb32] > I didn't manage to decode it with the distro kernel. I'll build a custom kernel straight from the git repo and wait for the problem to happen again, then I'll report back with a decoded trace. > Hi Jasper, > > I agree with Kuba that it might be related to power management, and I > wonder if it can be related to PTM. > Anyway, can you please share the following information? > > 1. Is runtime D3 enabled? (you can check the value in > /sys/devices/pci:(pci SBDF)/power/control) $ cat /sys/devices/pci0000\:00/power/control auto > 2. What is the NVM version that your NIC has? (ethtool -i eno1) $ sudo ethtool -i eno1 driver: igc version: 6.10.9-arch1-2 firmware-version: 1082:8770 expansion-rom-version: bus-info: 0000:0c:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: yes > 3. Can you please elaborate on you bug? > Does it happen while the system is in idle state? I don't know. It might, but I've only ever observed it while actively using the machine. I usually notice the problem when watching a youtube video or playing an online game and suddenly the network connection dies. > Does it run any > traffic? Yes, there's usually always network traffic when the problem occurs. > What is the system's link partner (switch? other NIC?) It's a "tp-link" switch: TL-SG105-M2 5-Port 2.5G Multi-Gigabit Desktop Switch Kind regards Jesper Juhl
