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We have developed a mPCIe card using the I225. The card works great in Windows, trying to get it to work in Linux Ubuntu 20.04. Have tried various kernel versions. Firmware on the device is FXVL_0D9F_IT_2MB_1.79.
Issue overview - Cannot get link at 2.5G using Ubuntu.
OS: Ubuntu 20.04.3 LTS
Kernel: 5.11.0-20-generic - Have tried various kernels from 5.4 - 5.14, this one gets me the closest
1. Looking in dmesg for messages from the igc driver I see the following errors:
[ 2.204728] igc 0000:04:00.0: no suspend buffer for PTM
[ 2.243707] igc: probe of 0000:04:00.0 failed with error -2
[ 2.244059] igc 0000:05:00.0: no suspend buffer for PTM
[ 2.275730] igc: probe of 0000:05:00.0 failed with error -2
The PTM error I see on systems that work, so I am not concerned about that. The probe error is of concern.
2. Subsequent issue is that ethtool does not "advertise" a 2.5G link mode
(output of a device not working)
Settings for enp1s0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
(expected output)
Settings for enp1s0:
Supported ports: [ ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
2500baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
I assume both issues my be resolved by getting the driver to work. Any help on a known good kernel version where the I225 works would be appreciated.
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Hello, @mmeyer:
Thank you for contacting Intel Embedded Community.
We sent an email to the address associated with this account with suggestions that may help you.
Best regards,
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Hello, @mdursun:
Thank you for contacting Intel Embedded Community.
We received your consultations, but we need to address the following consultation to clarify this situation:
Is this thread related to the following forum created by you?
We are waiting for your answer to this question.
Best regards,
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Yes it is. After writing this question, I have tried to flash the NVM but it has resulted negatively.
Best Regards,
Best
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Hello, @mdursun:
Thanks for your reply.
We suggest staying tuned to the cited forum to find the information that may help you.
Best regards,
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