Hi there, we are experiencing random errors on WP7702, with this hw/sw cfg:
Device: WP7702
IMEI: 352653090788100
IMEISV: 6
FSN: VU230130800510
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): 9908741
PRI Revision: 002.001
Carrier PRI Name: GENERIC
Carrier PRI Revision: 001.071_001
SKU: 1104214
Last Reset Cause: Crash
Resets Count: Expected: 23 Unexpected: 17
1)
[ 299.900336] Fatal error on the modem.
[ 299.903007] modem subsystem failure reason: gpsuser.c:878:SWI_ABORT-M: gpssatinfoupdate: no mem.
[ 299.912000] M-Notify: General: 8
[ 300.021034] Kernel panic - not syncing: subsys-restart: Resetting the SoC - modem crashed.
2)____________________________________________
45.997204] Fatal error on the modem.
[ 45.999854] modem subsystem failure reason: gpstask.c:3508:SWI_ABORT-M: gpspdcb: no mem.
[ 46.008142] M-Notify: General: 8
[ 46.121522] Kernel panic - not syncing: subsys-restart: Resetting the SoC - modem crashed.
[ 46.128847] CPU: 0 PID: 201 Comm: kworker/0:3 Tainted: G O 3.18.140 #1
[ 46.136348] Workqueue: events device_restart_work_hdlr
[ 46.141486] [<c0014428>] (unwind_backtrace) from [<c00122ac>] (show_stack+0x10/0x14)
[ 46.149191] [<c00122ac>] (show_stack) from [<c078bf34>] (panic+0x90/0x1f4)
[ 46.156044] [<c078bf34>] (panic) from [<c026b068>] (device_restart_work_hdlr+0x38/0x3c)
[ 46.164033] [<c026b068>] (device_restart_work_hdlr) from [<c00311c4>] (process_one_work+0x1bc/0x2e0)
[ 46.173142] [<c00311c4>] (process_one_work) from [<c0031f80>] (worker_thread+0x2dc/0x3b8)
[ 46.181305] [<c0031f80>] (worker_thread) from [<c003582c>] (kthread+0xc8/0xd4)
[ 46.188510] [<c003582c>] (kthread) from [<c000e798>] (ret_from_fork+0x14/0x3c)
[ 46.195713] cpr_panic_callback: apc_corner: [corner:1, fuse_corner:1] = 1050000 uV
[ 46.203555] Rebooting in 5 seconds..
[ 51.228301] Going down for restart now
[ 51.231862] reboot: trigger wdog bite
[ 51.234837] Causing a watchdog bite!
___________________________________________________
Actual memory status:
root@swi-mdm9x28-wp:~# free -m
total used free shared buff/cache available
Mem: 182 68 15 2 98 106
Swap: 0 0 0
root@swi-mdm9x28-wp:~#
gpsuser.c and gpstask.c are not part of legato nor swi-linux so any other analisys is not possibile.
Any suggest?