wlan0 interface is not coming up for onboard wifi module(intel 8265) with imx8m

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wlan0 interface is not coming up for onboard wifi module(intel 8265) with imx8m

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redwill
Contributor II

Dear NXP,

      I meet a weird wireless error:

  I'd change rootfs to ubuntu18.04 and updte kernel modules to /lib/modules, also the intel 8265 driver (iwlwifi-9260-th-b0-jf-b0-34.ucode) to /lib/firmware.

       And try rfkill unblock wifi, modprobe 8021q, iwldvm, iwlmvm, iwlwifi, restart network-manager, but still CAN NOT bring up the wifi interface wlan0!

       The most weird thing is that I failed to bring wlan0 up by above steps and just put the board there(no wireless interface), a few minutes later, I don't know why but the wireless interface was be bring up!? and it works on wpa_supplicant tool

       What suppose to do and solve this issue?

       

Note:

       The wifi works on "bitbake validation rootfs" (but failed on mini rootfs or ubuntu rootfs)

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b36401
NXP TechSupport
NXP TechSupport

Possibly there is some issue in the driver and it starts up too long. I mean possibly it waits for some timeout for a while and then finally starts up.

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