[Buildroot] EUDEV takes a very long time to load the Wifi firmware

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"Fabio" == Fabio Estevam [off-list ref] writes:

 > Hi,
 > I am running kernel 5.12.4 on an imx6dl-pico-pi board with a QCA9377 Wifi chip.

 > Originally I was selecting BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y,
 > but that caused the QCA9377 firmware to be loaded only after almost 3
 > minutes.

 > Changing it to BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y caused the
 > QCA9377 firmware to be loaded very quickly as expected.

 > I am using a recent master version of Buildroot:
 > ab9ceea782c770acdb9a25d8601b12af261c8ccb

 > I am OK with using MDEV but just wanted to report it in case someone
 > knows if this is a known EUDEV issue.

Is there anything of interest in the logs? The eudev init script runs
udevadm settle, does that take a long time or perhaps even times out?

-- 
Bye, Peter Korsgaard