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Hi:
I have a computer with 3 intel ethernet interface , The model is i225-it. Linux version is 'CentOS 8 4.18.0.348.el8.x86_64
1 、I have got igc driver files from https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/5.8.7
2、 i compile the driver under dir inux-5.8.7/drivers/net/ethernet/intel/igc successfully。
2、 type: insmod igc.ko
3、 check status: dmesg | grep igc , shows bellow error message:
igc:probe of 0000:02:00.0 failed with error -2
igc:probe of 0000:03:00.0 failed with error -2
igc:probe of 0000:05:00.0 failed with error -2
4、 the makefile context bellow:
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Hello @yang_cheng_yu,
Thank you for contacting Intel Embedded Community.
You may check the latest igc driver from this link:
https://github.com/torvalds/linux/tree/master/drivers/net/ethernet/intel/igc
CentOS is not under the supported OS for the i225/i226:
I looked internally and you can try to add the following patches:
https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/commit/drivers/net/ethernet/intel/igc?h=dev-queue&id=7c496de538eebd8212dc2a3c9a468386b264d0d4
Best regards,

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