ghost input : FP3 touch screen become unusable.

• /e/ version: 0.9-2020051454091
• Device model: Fairphone3
• When it started to occur: on the last update I think.
• Reproducible with the last /e/ version: don't know
• Reproducible with LineageOS: Don't know

Summary

Ghost inputs makes phone unusable and realise aleatory actions as sending datas without desiring it.

• The device is unusable
• The bug is the source of a data loss or a big waste of time
• The bug concerns a third party app
• The bug concerns security
• The bug concerns privacy

The problem

Steps to reproduce

Use the phone normaly

What is the current behavior?

Touch screen is activated aleatory and rapidly all over the screen without touching it. And touch the screen do nothing that I want.

What is the expected correct behavior?

Touch screen is activated where I touch it.

Technical informations

Relevant logs (adb logcat)

Todo

Relevant screenshots

It aleatory so I couldn't capture it for now Fairphone forum problem https://forum.fairphone.com/t/fp3-touchscreen-experiences-ghost-inputs/61831

Solutions

Workaround

Switch off the screen resolve the problem for a short period of time. Clean screen conections doesn't resolve the problem. Sometimes giving the phone to other persons resolve the problem for a short period of time.

Possible fixes

Certainly related width fairphone issue https://forum.fairphone.com/t/fp3-touchscreen-experiences-ghost-inputs/61831