According to syslog, “Fatal error on the modem” was output when the problem occurred.
Please see the attached “WP7605_fatal error.xlsx” in syslog.
The customer wants to know the root cause that “Fatal error on the modem” is output.
root@swi-mdm9x28-wp:~# cm infoDevice: WP7605
IMEI: 353532100262000
IMEISV: 6
FSN: 2A048485850510
Firmware Version: SWI9X07Y_02.28.03.05 000000 jenkins 2019/07/08 11:04:16
Bootloader Version: SWI9X07Y_02.28.03.05 000000 jenkins 2019/07/08 11:04:16
MCU Version:
PRI Part Number (PN): 9910186
PRI Revision: 001.001
Carrier PRI Name: DOCOMO
Carrier PRI Revision: 001.024_000
SKU: 1104763
Last Reset Cause: Power Down
Resets Count: Expected: 80 Unexpected: 229
root@swi-mdm9x28-wp:~# legato version
19.02.0_4cb954265427b8c2c668a010ff5be274
root@swi-mdm9x28-wp:~# uname -v
#1 PREEMPT Tue Oct 6 07:02:12 UTC 2020
WP7605_fatal error.xlsx (257.4 KB)