Unattended Shutdown

Hello,
my device shutdown without any command after few minutes… in logread i’ve:

root@swi-mdm9x28-wp:~# May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.272630] PSM: Supported: 1
May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.272993] PSM: Auto ready rcvd, tau timer: 50279
May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.273731] PSM: backup_nv_path /data/psm/psm_nv_backup.txt
May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.290124] PSM: Sent enter req. Waiting for modem Complete indication.
May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.470699] PSM: Supported: 1
May 3 20:13:52 swi-mdm9x28-wp user.warn kernel: [ 308.470847] PSM: Ready for shutdown

In cm info i dont have any unexpected shutdown… but i have no apps ( maybe some preinstalled one???) that request shutdown.

Details:


root@swi-mdm9x28-wp:~# cm info
Device: WP7702
IMEI: 352653090151655
IMEISV: 6
FSN: VU911670280310
Firmware Version: SWI9X06Y_02.36.06.00 63d944 jenkins 2020/12/10 19:12:28
Bootloader Version: SWI9X06Y_02.36.06.00 63d944 jenkins 2020/12/10 19:12:28
MCU Version: 002.015
PRI Part Number (PN): 9907365
PRI Revision: 001.006
Carrier PRI Name: GENERIC
Carrier PRI Revision: 001.071_001
SKU: 1103530
Last Reset Cause: Power Down
Resets Count: Expected: 84 Unexpected: 0
root@swi-mdm9x28-wp:~#

legato ver: 19.11.6_4992d464023c7e6c5aec5185f8441d4a

Installed apps:
[running] atAirVantage
[running] atQmiLinker
[running] atService
[running] audioService
[running] cellNetService
[running] dataConnectionService
[running] fwupdateService
[running] gpioService
[running] modemService
[running] portService
[running] positioningService
[running] powerMgr
[running] qmiAirVantage
[running] secStore
[stopped] smsInboxService
[stopped] spiService
[stopped] tools
[stopped] voiceCallService
[stopped] wifi
[stopped] wifiApTest
[stopped] wifiClientTest
[running] wifiService
[stopped] wifiWebAp

seems related to PSM mode.
How about shut down this feature by the following?
AT+CPSMS=0
AT!POWERMODE=0
AT!reset

1 Like

good morning… yes… it soved.
These settings are saved to modem rom? Or i have to send at each reboot?

thanks…
Gian

I think it will be saved.
You can double check.

1 Like

Thank you so much.
Gianmaria