Created attachment 288785 [details] Serial Console 5.7.0-rc3 not working "stock" Armbian Buster Kernel 5.3.x: (5.3.7, 5.3.11 at least) - has "flaky" onboard Ethernet - "FIX": unloading/reloading modules and/or replugging Ethernet sometimes get a connection Regression: Kernel 5.6.7 and 5.7.0-rc3: not working at all; multiple entries in dmesg: [ 31.863103] meson8b-dwmac c9410000.ethernet: IRQ eth_wake_irq not found [ 31.866859] meson8b-dwmac c9410000.ethernet: IRQ eth_lpi not found [ 31.873657] stmmaceth c9410000.ethernet: IRQ eth_wake_irq not found [ 31.879282] stmmaceth c9410000.ethernet: IRQ eth_lpi not found [ 31.885179] stmmaceth c9410000.ethernet: dt configuration failed Checking against 4.19.118 : onboard Ethernet works fine original System: Armbian Buster on SD-Card with Kernel 5.3.11-odroidc1 Compiles were done on the Odroid-C1 itself: 4.19.118, 5.6.7, 5.7.0-rc3 from Mainline tarballs with with almost same config used in Armbian taken from /proc/config.gz - make oldconfig I just modified /boot/boot.ini on the ext4 rootfs to point to different Kernel, uInitrd and dtb dir Hardware: Odroid-C1 PCB print: rev 0.3 20141107
Created attachment 288787 [details] Serial Console 5.6.7 not working
Created attachment 288789 [details] Seriel Console 4.19.118 working
Created attachment 288791 [details] Serial Console 5.3.11 partially working
The non-working functionality was because of a disabled config symbol. enabling CONFIG_MESON_MX_EFUSE=y fixes this issue. thanks to Martin Blumenstingl for the tip