Charging won't start when in low power state ( <10%)

Bug Reports
#1

REPRODUCIBILITY (% or how often): 5%
BUILD ID = OS VERSION (Settings > About product): 3.4.20
HARDWARE (Jolla1, Tablet, XA2,…): x10
UI LANGUAGE: english
REGRESSION: (compared to previous public release: Yes, No, ?): No

DESCRIPTION:

in low power condition <10% when i do connect phone to charge, charging wont start
this happened now in total 4 times.

PRECONDITIONS:

to me it seems that either the screen has to be black or phone locked and screen black
it never occurred when screen was on
i think also low power condition is a precondition

STEPS TO REPRODUCE:

  1. connect phone to charger

EXPECTED RESULT:

charging starts

ACTUAL RESULT:

after 1-2 hours, phone is dead due to no power

ADDITIONAL INFORMATION:

(Please ALWAYS attach relevant data such as logs, screenshots, etc…)

1 Like
#2

Charging happens in kernel control i.e. it should work as long as cable is connected and charger detected. And - especially in case of wall chargers - sailfishos user space sw is not really involved except for notifications and such.

Which basically means a) if it has worked before, sw changes are unlikely to have caused the issue b) hw problems such as broken cables / incompatible chargers should be ruled out first -> try different cable / charger and see if the problem still persists.

Or, if you have enabled persistent journal and recall when one/more of these things happened -> there should be some events logged around each cable connect time (e.g. journalctl -a | grep battery-udev) -> one could check if there are any differences between when charging worked vs not.

2 Likes