The monitor thread read the core's merged stdout/stderr and dropped
every line:
process.inputStream.bufferedReader().use { reader ->
reader.forEachLine { _ -> }
}
so the only trace of a core that died at startup was "Xray process
exited with code 23", with nothing to say why. That exit is real and
intermittent - it showed up on both a handset and an emulator - and
was undiagnosable in the field.
Keep at most 40 lines, and only from the core's first 10 seconds, then
log them when the exit code is non-zero. A core up longer than that may
be carrying traffic and its log can name destinations, which must never
reach the device log (rule 95), so past the window the buffer is
dropped rather than kept.
Co-Authored-By: Claude Opus 5 <[email protected]>
