Hi Alexey, Hi Vineet, is uClibc-ng 1.0.34 broken on Linux kernel 4.19.136? I am using gcc 9.3.0 and binutils 2.35. I get following stacktrace: [ 9.667903] Starting Linux (built with OpenADK). [ 9.673796] Freeing unused kernel memory: 592K [ 9.678323] This architecture does not have kernel memory protection. [ 9.684992] Run /sbin/init as init process [ 9.693619] potentially unexpected fatal signal 11. [ 9.698600] Path: /bin/busybox [ 9.701967] CPU: 2 PID: 1 Comm: init Not tainted 4.19.136-1 #2 [ 9.707882] [ 9.707882] [ECR ]: 0x00050200 => Invalid Write @ 0x00000000 by insn @ 0x2000181a [ 9.717373] [EFA ]: 0x00000000 [ 9.717373] [BLINK ]: 0x20001792 [ 9.717373] [ERET ]: 0x2000181a [ 9.727392] @off 0x181a in [/lib/ld-uClibc-1.0.34.so] [ 9.727392] VMA: 0x20000000 to 0x20008000 [ 9.737355] [STAT32]: 0x80081082 : IE U [ 9.741969] BTA: 0x20001792 SP: 0x5f8bdb9c FP: 0x5f8bdd2c [ 9.747648] LPS: 0x00000010 LPE: 0x00000080 LPC: 0x00000000 [ 9.753784] r00: 0x20005b64 r01: 0x00000025 r02: 0xffffffff [ 9.753784] r03: 0x00000022 r04: 0x00000000 r05: 0x00000000 [ 9.753784] r06: 0x00000000 r07: 0x00000000 r08: 0x000000de [ 9.753784] r09: 0x0000000c r10: 0x00000001 r11: 0x00000000 [ 9.753784] r12: 0x20001792 r13: 0x00000000 r14: 0x20005b64 [ 9.753784] r15: 0x2000a070 r16: 0x5f8bddf8 r17: 0x5f8bdf2c [ 9.753784] r18: 0x2000a070 r19: 0x00000000 r20: 0x5f8bddf8 [ 9.753784] r21: 0x00000000 r22: 0x00000000 r23: 0x00000000 [ 9.753784] r24: 0x5f8bdc18 r25: 0x00000000 [ 9.753784] [ 9.753784] [ 9.807098] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 9.807098] With kernel 5.4.53 it just hangs on this line here: [ 2.579235] NET: Registered protocol family 1 I am using initramfs with piggyback loaded from mmc card.

best regards Waldemar