M2 drive not showing

I think that @WayneWWW’s advice is good and probably you’ll get better answer from carrier board vendor.

Just a side basic thing to check after device tree is ok may be:

zcat /proc/config.gz | grep CONFIG_PCI_TEGRA
CONFIG_PCI_TEGRA=y

zcat /proc/config.gz | grep CONFIG_BLK_DEV_NVME
CONFIG_BLK_DEV_NVME=y

On the Yocto built Jetson:

zcat /proc/config.gz | grep CONFIG_PCI_TEGRA

outputs:
CONFIG_PCI_TEGRA=y

and
zcat /proc/config.gz | grep CONFIG_BLK_DEV_NVME

outputs:

CONFIG_BLK_DEV_NVME=y
# CONFIG_BLK_DEV_NVME_SCSI is not set

Thanks a lot for your help!

@Honey_Patouceul what exactly does the above output tell me? Cus the Ubuntu-Jetson gives me the exact same.

Those are to make sure PCIe driver and nvme driver are enabled.

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