The machine is VPRO enabled. Could this be the underlying issue? AFAIK VPRO
affects the NICs in the machine.
MIZSEI Zoltán írta 2026. feb.. 6, P-n 22:57 órakor:
> Please find my proposed patch attached.
>
> MIZSEI Zoltán írta 2026. feb.. 6, P-n 20:37 órakor:
>> Hi,
>>
>> I have applied the attached patch and received the attached output in
>> the dmesg. I hope it helps a bit.
>>
>> MIZSEI Zoltán írta 2026. jan.. 27, K-n 14:01 órakor:
>>> Hi,
>>>
>>> thanks for the hint, I just did a quick check with FreeBSD 15 RELEASE,
>>> it works fine, i see the following:
>>>
>>> (...)
>>> em0: <Intel(R) I219-LM TGP(13)> mem 0xa2300000-0xa231ffff at device 31.6 on
>>> pci0
>>> em0: EEPROM V0.8-4
>>> em0: Using 1024 TX descriptors and 1024 RX descriptors
>>> em0: Using an MSI interrupt
>>> em0: Ethernet address: RE:DA:CT:ED:12
>>> em0: netmap quotes/slots: TX 1/1024, RX 1/1024
>>> (...)
>>>
>>> So if the driver employs some workarounds, then FreeBSD clearly uses a
>>> different set or some extra workarounds for this specific hardware than
>>> OpenBSD. Would it be possible to implement those workarounds for
>>> OpenBSD?
>>> Interestingly Illumos also works just fine with this NIC.
>>>
>>> Best Regards,
>>> -- e
>>>
>>> Crystal Kolipe írta 2026. jan.. 27, K-n 10:48 órakor:
>>>> On Mon, Jan 26, 2026 at 07:21:54PM +0100, MIZSEI Zoltn wrote:
>>>>> sys/dev/pci/if_em.c I have commented out the following section,
>>>>> effectively disabling the cheksum check:
>>>>>
>>>>> #ifdef TEST
>>>>> /* Make sure we have a good EEPROM before we read from it */
>>>>> if (em_get_flash_presence_i210(&sc->hw) &&
>>>>> em_validate_eeprom_checksum(&sc->hw) < 0) {
>>>>> /*
>>>>> * Some PCIe parts fail the first check due to
>>>>> * the link being in sleep state, call it again,
>>>>> * if it fails a second time its a real issue.
>>>>> */
>>>>> if (em_validate_eeprom_checksum(&sc->hw) < 0) {
>>>>> printf("%s: The EEPROM Checksum Is Not Valid\n",
>>>>> DEVNAME(sc));
>>>>> return (EIO);
>>>>> }
>>>>> }
>>>>> #endif
>>>>
>>>> You might want to look at em_validate_eeprom_checksum() in if_em_hw.c, and
>>>> try
>>>> to find out exactly where it's failing.
>>>>
>>>> If you search around on-line, you'll find a fair amount of discussion about
>>>> issues with the non-volatile memory on various i219 series network
>>>> adaptors.
>>>>
>>>> These issues are not limited to OpenBSD, you'll find discussion on Linux
>>>> forums as well.
>>>>
>>>> Having said that, there is already code to address one of the known issues
>>>> in
>>>> em_validate_eeprom_checksum(), and this was imported from FreeBSD a long
>>>> time
>>>> ago, so most of these devices are indeed expected to just work with
>>>> OpenBSD,
>>>> and presumably your device is doing something different.
>>>
>>> --
>>> --Z--
>>
>> --
>> --Z--
>> Csatolmányok:
>> * em_debug_checksum.patch
>> * dmesg.txt
>
> --
> --Z--
> Csatolmányok:
> * openbsd_i219-lm.patch
--
--Z--
