Hello Anton, Am Mi, 5. Mai 2021, um 15:34, schrieb Anton Antonov: > I don't know what exactly you mean by "whenever the Raspi is booting over the > network". > When a machine boots from network (i,e. using DHCP/BOOTP) then usually DHCP > server points to, for example, a TFTP server where the kernel and initramfs > should be obtained from and kernel parameters. So, you need to check your > DHCP/TFTP/etc servers configuration for kernel parameters.
The boot files (kernel, kernel parameters, device tree overlays, ...) served by TFTP are bit-identical to the ones present at `/boot` of the usb stick. When I boot over PXE/BOOTP/DHCP/TFTP/etc, something seems to replace all occurences of `8250.nr_uarts=1` with `8250.nr_uarts=0`. When I boot using usb drive using the exact same files, this doesn't happen and uart is active. Regards, Manuel
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