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[esp32] Preserve crash data across OTA rollback reboots (#15578)

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This commit is contained in:
J. Nick Koston
2026-04-08 16:09:43 -04:00
committed by GitHub
parent 19c8f0ac7a
commit 94f1e48d95
3 changed files with 17 additions and 3 deletions
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esphome/components/esp32/crash_handler.cpp
+9 -2
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@@ -101,12 +101,19 @@ void crash_handler_read_and_clear() {
if (s_raw_crash_data.pseudo_excause > 1)
s_raw_crash_data.pseudo_excause = 0;
}
// Clear magic regardless so we don't re-report on next normal reboot
s_raw_crash_data.magic = 0;
// Don't clear magic here — crash data must survive OTA rollback reboots.
// Magic is cleared by crash_handler_clear() after an API client receives the data.
}
bool crash_handler_has_data() { return s_crash_data_valid; }
void crash_handler_clear() {
// Only clear the magic so data doesn't survive the next reboot.
// Keep s_crash_data_valid so crash_handler_log() still works for
// additional API clients connecting during this boot session.
s_raw_crash_data.magic = 0;
}
// Look up the exception cause as a human-readable string.
// Tables mirror ESP-IDF's panic_arch_fill_info() which uses local static arrays
// not exposed via any public API.