esp32s3 light_sleep出现RTCWDT_RTC_RST重启的原因是什么？

平时工作在light sleep模式，定时器5秒唤醒一次，然后做短时间的IO引脚访问，发现程序偶尔会重启，打样如下：

[Rx][16:42:12.824] ESP32 will light sleep now!

[Rx][16:42:17.866] ESP32 will light sleep now!

[Rx][16:42:22.909] ESP32 will light sleep now!

[Rx][16:42:28.983] ESP-ROM:esp32s3-20210327

[Rx][16:42:29.022] Build:Mar 27 2021

rst:0x10 (RTCWDT_RTC_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)

SPIWP:0xee

mode:DIO, clock div:1

load:0x3fcd0108,len:0x43c

load:0x403b6000,len:0xbd0

load:0x403ba000,len:0x29c8

SHA-256 comparison failed:

Calculated: a3d05edfd44db5bda9b05d64f3e20a81c8aa900bde96b42d41a0febc85f3c6d0

Expected: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff

Attempting to boot anyway...

entry 0x403b61d8

[Rx][16:42:29.224] System started successfully

10

[Rx][16:42:29.237] Wakeup was not caused by deep sleep: 0

ESP32 will running now!

[Rx][16:42:30.238] ESP32 will running now!

[Rx][16:42:31.239] ESP32 will running now!

[Rx][16:42:32.240] ESP32 will running now!