embedded build_error ai_generated true

region FLASH overflowed by N bytes

ID: embedded/firmware-size-exceeded

Also available as: JSON · Markdown
80%Fix Rate
84%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
32 active — — —

Root Cause

Compiled firmware exceeds flash memory capacity.

generic

Workarounds

  1. 88% success Enable -Os optimization and LTO: -flto in CFLAGS
  2. 90% success Remove unused functions with -ffunction-sections -Wl,--gc-sections

Dead Ends

Common approaches that don't work:

  1. Disable all compiler optimizations 88% fail

    Makes firmware even larger

  2. Remove error handling code 80% fail

    Unreliable firmware