Similar looking issues here:
- Fairphone shuts down randomly (#4175) · Issues · e / Backlog · GitLab
- 🇫🇷 Le téléphone s'éteint plusieurs fois d'affilié Signal
@KevinC @Mathieu1 (mentioning you, because your forum thread is now closed and I can’t post there)
It seems to happen when being connected to certain cellular network stations.
Did anyone experiencing this with the original (stock) ROM contact the Fairphone support?
Disabling 3G connections, allowing only 2G and 4G, may workaround the issue. (confirmations appreciated)
I just posted a log from /sys/fs/pstore/ in /e/OS issue #5779. The most significant excerpts of it:
[1875387.171805] Fatal error on the modem.
[1875387.171835] modem subsystem failure reason: data_msg.c:84:Assertion str failed.
[1875387.279441] Kernel panic - not syncing: subsys-restart: Resetting the SoC - modem crashed.
[1875387.279475] CPU: 0 PID: 10875 Comm: kworker/0:1 Tainted: G W 4.9.337-perf+ #1
[1875387.279486] Hardware name: Qualcomm Technologies, Inc. SDM632 PMI632 MTP S3 (DT)
# [...]
[1875387.279517] Workqueue: events device_restart_work_hdlr
[1875387.279530] Call trace:
[1875387.279550] [<0000000080ad981f>] dump_backtrace+0x0/0x418
[1875387.279566] [<000000003f726c12>] show_stack+0x14/0x1c
[1875387.279582] [<00000000456dd672>] dump_stack+0xcc/0x104
[1875387.279596] [<00000000f4fb3e69>] panic+0x1cc/0x3b4
[1875387.279610] [<00000000f88d45b9>] subsys_free_irqs+0x0/0x88
[1875387.279625] [<000000004eabdc63>] process_one_work+0x264/0x48c
[1875387.279638] [<0000000089027e50>] worker_thread+0x29c/0x4c8
[1875387.279653] [<00000000279c0fe7>] kthread+0xf4/0x13c
[1875387.279667] [<000000005536cf95>] ret_from_fork+0x10/0x50
# [...]
[1875387.280819] Call trace:
[1875387.280834] [<0000000080ad981f>] dump_backtrace+0x0/0x418
[1875387.280849] [<000000003f726c12>] show_stack+0x14/0x1c
[1875387.280863] [<00000000456dd672>] dump_stack+0xcc/0x104
[1875387.280879] [<000000005a8d7876>] ipi_cpu_stop+0x74/0x9c
[1875387.280892] [<00000000530d99cc>] ipi_cpu_stop+0x0/0x9c
[1875387.280905] [<0000000076bac779>] gic_handle_irq+0x9c/0xb4
# [...]
[1875387.739467] Rebooting in 5 seconds..
[1875392.739908] SMP: stopping secondary CPUs
[1875392.739921] Going down for restart now
[1875392.740517] qcom,qpnp-power-on 200f000.qcom,spmi:qcom,pmi632@2:qcom,power-on@800: PMIC@SID2: configuring PON for reset