mangOH Red + wp7603 – System shutdowns after installing textLoc (Low Power) sample app

I am running my mangOH red (wp7603) dev board using Leaf with the latest firmware WP76xx Firmware Release 13.1 and Legato 19.02.0. My system was working fine until I build and updated my board with the textLoc (Low Power) sample app. After installing this app, my system now shutdowns (all LEDs off) and I cannot restart unless I disconnect the power and console USB cables and reconnect them back again. The system then comes back up, but it shutdowns again about 30 seconds after I get the login prompt in the USB console output. I assume it is related to the low power mode trigger from the textLoc app that I installed. So, I restarted the system again and I was able to login and run “app remove textLoc” before the system shutdown again. The problem is that I no longer see the app installed, but the system keeps shutting down.

Eventually I had to recover my system using the WPxxxx Windows recovery procedure. Initially the system was stable, until I updated back my mangOH board to the latest firmware. After the firmware update, I begun to experience again the same system shutdown with all LEDs off.

As I troubleshot my system, I was eventually able to notice that if I used the “cm radio off” command before the system shutdowns, then the system will not shutdown and will remain up without any issues. If I “cm radio on” again then the system begins to experience the shutdown issue. So, at this point I am wondering if the textLoc app that I installed, somehow enabled a cloud service to trigger my system low power shutdown. Can somebody clarify if this is what is happening and if so, how can I disable this low power trigger? Or alternatively, is this low power trigger hardwired in some internal register?

For your reference I am showing the console output messages that I get when the shutdown process is triggered:

Poky (Yocto Project Reference Distro) 2.5.2 swi-mdm9x28-wp /dev/ttyHSL1

swi-mdm9x28-wp login: [   60.893091] swimcu_pm_wusrc_config: check statep->gpio_pin_mask 0x0
[   60.899124] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:22) mode:FIFO slv_addr:0x3a MSTR_STS:0x081343c8 OPER:0x00000090
[   60.915774] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:22) mode:FIFO slv_addr:0x3a MSTR_STS:0x081343c8 OPER:0x00000090
[   60.942097] pm_set_mcu_ulpm_enable: wakeup source setup mask=0x2
rcK: Executing run_K_scripts...
Stopping linkmon: no linkmon found; none killed
done
[   61.161560] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister ecm0
[   61.190407] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister ecm0
[   63.141144] ssrestart_check: do not restart modem during PSM power off
[   63.146725] sps:sps_bam_lock:Connection is not in connected state.
[   63.152666] bam_mux_write_cmd sps_transfer_one failed rc=-1
Stopping port_bridge: no port_bridge found; none killed
Stopping qmi_ip: no qmi_ip_multiclient found; none killed
Stopping eMBMs_TunnelingModule: no eMBMs_TunnelingModule found; none killed
Stopping netmgrd: stopped netmgrd (pid 1044)
done
Stopping qmuxd: stopped qmuxd (pid 974)
done
no QCMAP_ConnectionManager found; none killed
Stopping fs-scrub-daemon: no fs-scrub-daemon found; none killed
Stopping thermal-engine: stopped thermal-engine (pid 987)
done
stopped qti (pid 1399)
Stopping reboot daemon: stopped reboot-daemon (pid 871)
done
Legato shutdown sequence
Stopping Legato..
DONE.
Finished Legato stop Sequence
stopping time daemon
Stopping time_services: stopped time_daemon (pid 650)
done
stopping ntpd
no ntpd found; none killed
Stopping diagrebootapp: stopped diagrebootapp (pid 643)
done
stopping DNS forwarder and DHCP server: dnsmasq... stopped /usr/bin/dnsmasq (pid 1398)
done.
Deconfiguring network interfaces... ifdown: interface eth0 not configured
done.
Stopping syslogd/klogd: stopped syslogd (pid 626)
stopped klogd (pid 631)
done
Stopping Dropbear SSH server: stopped /usr/sbin/dropbear (pid 1375)
dropbear.
K96mount_unionfs: RO rootfs fudge allowed.
Stopping system message bus: dbus.
K98mount_early: Executing mount_early_user_stop...
K98mount_early: RO rootfs fudge allowed.
sh: /mnt/flash: unknown operand
K98mount_early: Executing mount_early_legato_stop...
Can't get valid SMEM, init DSSD SMEM
Linux sub system 1
K98mount_early: Executing mount_early_userrw_stop...
K98mount_early: Executing mount_early_unset_timezone...
rcK: Executing kill_all_proc...
rcK: Executing umount_fs_generic...
rcK: Executing print_shutdown_msg...
** SYSTEM SHUTDOWN COMPLETE **
The system is going down NOW!
Sent SIGTERM to all processes
[   71.991066] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister bridge0
[   72.021016] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister bridge0
Sent SIGKILL to all processes
Requesting system poweroff
[   73.935579] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:14) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[   73.950996] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:14) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[   73.979432] reboot: Power down
[   73.981851] Failed to disable secure wdog debug: -4
[   73.986927] Calling SCM to disable SPMI PMI@▒D▒▒▒0?▒▒▒x<▒▒f▒▒▒k▒▒ս▒

I was able to disable entering the ultra low power mode by modifying the “enable” file content located in /sys/module/swimcu_pm/boot_source

Note that I had to do this using the USB console port. Also, as I indicated before, when the system booted I had to immediately login and execute the “cm radio off” command. I am still not sure how is this related, but it avoided triggering the ulpm shutdown process.

Then I executed the following commands:

cd /sys/module/swimcu_pm/boot_source
echo 0 > enable
reboot

After the reboot, the system started and did not trigger the ulpm shutdown. So the system is now stable.

In my previous post I indicated to find a solution to the shutdown problem in my mangOH Red board. It was probably circumstantial but the posted solution does not hold to be true, as I am again experiencing the shutdown issue.

As explained before, if immediately after start-up I execute a “cm radio off”, the system will not shutdown. On the other hand, if upon system start-up I do not execute the “cm radio off” command, then the system shutdowns.

I have managed to trace some events, and I have observed that the system will shutdown at the time when the device establishes a connection with my AirVantage service, as I can see the label “Data session started” in the system timeline information of my AirVantage account which happens at the same time when my system shutdowns.

To help troubleshoot the shutdown issue that I am facing I have collected the console messages following these sequence of events:

  1. Using the console, I login and execute a “cm radio off” command to avoid the shutdown process.
  2. Using a Windows cmd shell, I “ssh root@192.168.2.2” and then execute the “logread -f” command.
  3. Back in the console, I then execute “cm radio on” and wait until the system shutdowns.

In the logread output it is possible to observe a series of PSM messages, including a “PSMS vendor_shutdown poweroff”. If anybody has an idea on what is triggering these events, I will appreciate any feedback to help solve this issue. Thank you in advanced.

Below you can see both the console and the Windows cmd shell outputs for the previously described events.

Console output messages:

Poky (Yocto Project Reference Distro) 2.5.2 swi-mdm9x28-wp /dev/ttyHSL1

swi-mdm9x28-wp login: root

It is strongly recommended to setup credentials for remote login.
Please select one of the following options:
  1) Setup ssh keys and disable passwords-based authentication via ssh
     (the most secure)
  2) Setup password (better than nothing)
  3) Do nothing
3

Would you like a reminder next time you log in [Y/n]?
Y
OK, I will remind you next time.
root@swi-mdm9x28-wp:~# cm radio off
root@swi-mdm9x28-wp:~# cm radio on
root@swi-mdm9x28-wp:~# [  139.535790] swimcu_pm_wusrc_config: check statep->gpio_pin_mask 0x0
[  139.543021] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:22) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[  139.560027] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:22) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[  139.587394] pm_set_mcu_ulpm_enable: wakeup source setup mask=0x2
rcK: Executing run_K_scripts...
Stopping linkmon: no linkmon found; none killed
done
[  139.801521] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister ecm0
[  139.830487] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister ecm0
[  141.781427] ssrestart_check: do not restart modem during PSM power off
[  141.787366] sps:sps_bam_lock:Connection is not in connected state.
[  141.792955] bam_mux_write_cmd sps_transfer_one failed rc=-1
Stopping port_bridge: no port_bridge found; none killed
Stopping qmi_ip: no qmi_ip_multiclient found; none killed
Stopping eMBMs_TunnelingModule: no eMBMs_TunnelingModule found; none killed
Stopping netmgrd: stopped netmgrd (pid 1045)
done
Stopping qmuxd: stopped qmuxd (pid 980)
done
no QCMAP_ConnectionManager found; none killed
Stopping fs-scrub-daemon: no fs-scrub-daemon found; none killed
Stopping thermal-engine: stopped thermal-engine (pid 993)
done
stopped qti (pid 1354)
Stopping reboot daemon: stopped reboot-daemon (pid 948)
done
Legato shutdown sequence
Stopping Legato..
DONE.
Finished Legato stop Sequence
stopping time daemon
Stopping time_services: stopped time_daemon (pid 651)
done
stopping ntpd
no ntpd found; none killed
Stopping diagrebootapp: stopped diagrebootapp (pid 643)
done
stopping DNS forwarder and DHCP server: dnsmasq... stopped /usr/bin/dnsmasq (pid 1334)
done.
Deconfiguring network interfaces... ifdown: interface eth0 not configured
done.
Stopping syslogd/klogd: stopped syslogd (pid 626)
stopped klogd (pid 629)
done
Stopping Dropbear SSH server: stopped /usr/sbin/dropbear (pid 1234)
dropbear.
K96mount_unionfs: RO rootfs fudge allowed.
Stopping system message bus: dbus.
K98mount_early: Executing mount_early_user_stop...
K98mount_early: RO rootfs fudge allowed.
sh: /mnt/flash: unknown operand
K98mount_early: Executing mount_early_legato_stop...
Can't get valid SMEM, init DSSD SMEM
Linux sub system 1
K98mount_early: Executing mount_early_userrw_stop...
K98mount_early: Executing mount_early_unset_timezone...
rcK: Executing kill_all_proc...
rcK: Executing umount_fs_generic...
rcK: Executing print_shutdown_msg...
** SYSTEM SHUTDOWN COMPLETE **
The system is going down NOW!
Sent SIGTERM to all processes
[  150.253430] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister bridge0
[  150.280527] [RMNET:HI] rmnet_config_notify_cb(): Kernel is trying to unregister bridge0
Sent SIGKILL to all processes
Requesting system poweroff
[  152.202704] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:14) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[  152.217614] i2c-msm-v2 78b8000.i2c: NACK: slave not responding, ensure its powered: msgs(n:1 cur:0 tx) bc(rx:0 tx:14) mode:FIFO slv_addr:0x3a MSTR_STS:0x0c1300c8 OPER:0x00000090
[  152.251805] reboot: Power down
[  152.253923] Failed to disable secure wdog debug: -4
[  152.259301] Calling SCM to disable SPMI PMD$Ic▒▒▒▒▒▒

Windows cmd shell output messages:

Microsoft Windows [Version 10.0.18362.239]
(c) 2019 Microsoft Corporation. All rights reserved.

C:\Users\Home>ssh root@192.168.2.2

It is strongly recommended to setup credentials for remote login.
Please select one of the following options:
  1) Setup ssh keys and disable passwords-based authentication via ssh
     (the most secure)
  2) Setup password (better than nothing)
  3) Do nothing
3

Would you like a reminder next time you log in [Y/n]?
Y
OK, I will remind you next time.
root@swi-mdm9x28-wp:~# logread -f
Jul 24 16:30:58 swi-mdm9x28-wp user.warn Legato: -WRN- | supervisor[901]/supervisor T=main | proc.c GetWatchdogAction() 359 | cm@0 watchdogAction '' in proc section
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c app_Start() 3420 | Starting app 'tools'
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_cm.so' to '/legato/systems/current/appsWriteable/tools/lib/libComponent
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_fwupdate.so' to '/legato/systems/current/appsWriteable/tools/lib/libCom
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_gnss.so' to '/legato/systems/current/appsWriteable/tools/lib/libCompone
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_le_pa_uartMode.so' to '/legato/systems/current/appsWriteable/tools/lib/
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_le_pa_uartMode_default.so' to '/legato/systems/current/appsWriteable/to
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_moduleLoad.so' to '/legato/systems/current/appsWriteable/tools/lib/libC
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_pmtool.so' to '/legato/systems/current/appsWriteable/tools/lib/libCompo
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_secstore.so' to '/legato/systems/current/appsWriteable/tools/lib/libCom
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_swiQmi.so' to '/legato/systems/current/appsWriteable/tools/lib/libCompo
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_uartMode.so' to '/legato/systems/current/appsWriteable/tools/lib/libCom
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/cm' to '/legato/systems/current/appsWriteable/tools/bin/cm': Already exists
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/fwupdate' to '/legato/systems/current/appsWriteable/tools/bin/fwupdate': Already exi
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/gnss' to '/legato/systems/current/appsWriteable/tools/bin/gnss': Already exists
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/kmod' to '/legato/systems/current/appsWriteable/tools/bin/kmod': Already exists
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/pmtool' to '/legato/systems/current/appsWriteable/tools/bin/pmtool': Already exists
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/secstore' to '/legato/systems/current/appsWriteable/tools/bin/secstore': Already exi
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/bin/uartMode' to '/legato/systems/current/appsWriteable/tools/bin/uartMode': Already exi
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_swiQmi.so' to '/legato/systems/current/appsWriteable/tools/lib/libCompo
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/lib/libComponent_le_pa_uartMode.so' to '/legato/systems/current/appsWriteable/tools/lib/
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c CreateFileLink() 2034 | Skipping file link '/legato/systems/current/apps/tools/read-only/scripts/cm' to '/legato/systems/current/appsWriteable/tools/scripts/cm': Already exists
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxCoreDumpFileBytes to value 8192.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxFileBytes to value 90112.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxLockedMemoryBytes to value 8192.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxFileDescriptors to value 256.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxMQueueBytes to value 512.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxThreads to value 20.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | resourceLimits.c SetRLimitValue() 282 | Setting resource limit maxQueuedSignals to value 100.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | proc.c proc_Start() 1390 | Starting process 'cm@0' with pid 1869
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[1869]/supervisor T=main | proc.c proc_Start() 1355 | Execing 'scripts/cm'
Jul 24 16:30:58 swi-mdm9x28-wp user.err Legato: =ERR= | modemDaemon[937]/modemDaemon T=main | le_sms.c CloseSessionEventHandler() 2181 | SessionRef (0x7f61e1cc) has been closed
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | proc.c proc_SigChildHandler() 2051 | Process 'cm@0' (PID: 1869) has exited with exit code 0.
Jul 24 16:30:58 swi-mdm9x28-wp user.warn kernel: [  103.949012] PSM: Modem oprt mode - 0
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | app.c app_StopComplete() 4686 | app 'tools' has stopped.
Jul 24 16:30:58 swi-mdm9x28-wp user.info Legato:  INFO | supervisor[901]/supervisor T=main | apps.c DeactivateAppContainer() 374 | Application 'tools' has stopped.
Jul 24 16:30:58 swi-mdm9x28-wp user.warn Legato: -WRN- | modemDaemon[937]/le_pa T=main | pa_sim_qmi.c MapSimState() 880 | More than one application 2
Jul 24 16:31:01 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[934]/dcsCellular T=main | dcsCellular.c DcsCellularPacketSwitchHandler() 673 | Packet switch state: previous 0, new 1
Jul 24 16:31:01 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[934]/dcs T=main | dcs_db.c le_dcs_EventNotifierTechStateTransition() 341 | Notify all channels of technology 2 of system state transition to up
Jul 24 16:31:01 swi-mdm9x28-wp user.info Legato:  INFO | modemDaemon[937]/le_pa T=main | pa_mrc_qmi.c pa_mrc_GetNetworkRegState() 2460 | called
Jul 24 16:31:01 swi-mdm9x28-wp user.warn Legato: -WRN- | modemDaemon[937]/le_pa T=main | pa_sim_qmi.c MapSimState() 880 | More than one application 2
Jul 24 16:31:01 swi-mdm9x28-wp user.info Legato:  INFO | dcsDaemon[934]/dcsCellular T=main | dcsCellular.c DcsCellularPacketSwitchHandler() 673 | Packet switch state: previous 1, new 4
Jul 24 16:31:15 swi-mdm9x28-wp user.info kernel: [  121.441186] sierra_startup_monitor
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.708817] PSM: Supported: 1
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.709144] PSM: Auto ready rcvd, tau timer: 17380
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.709927] PSM: backup_nv_path /data/psm/psm_nv_backup.txt
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.726217] PSM: Sent enter req. Waiting for modem Complete indication.
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.964154] PSM: Supported: 1
Jul 24 16:31:31 swi-mdm9x28-wp user.warn kernel: [  136.964305] PSM: Ready for shutdown
Jul 24 16:31:34 swi-mdm9x28-wp user.warn kernel: [  139.521348] PSM: modem_flag_path /data/psm/modem_flag
Jul 24 16:31:34 swi-mdm9x28-wp user.warn kernel: [  139.528494] PSM: Shutdown Device
Jul 24 16:31:34 swi-mdm9x28-wp user.warn kernel: [  139.528583] PSM: Supported: 1
Jul 24 16:31:34 swi-mdm9x28-wp user.warn kernel: [  139.535014] PSMS vendor_shutdown poweroff.
Jul 24 16:31:34 swi-mdm9x28-wp user.info kernel: [  139.535764] pm_set_mcu_ulpm_enable: SWIMCU_PM_PSM_SYNC - continue sync with MCU
Jul 24 16:31:34 swi-mdm9x28-wp user.err kernel: [  139.535790] swimcu_pm_wusrc_config: check statep->gpio_pin_mask 0x0
Connection reset by 192.168.2.2 port 22

C:\Users\Home>