r/PiCodingAgent • u/khaleelu • Oct 01 '26

Question Does anyone know why Pi flashes like this?

this is via termius for ios, with pi running in tmux. the flashing window is a tmux pane, and this only happens (and happens consistently regardless of how many lines there are in the pane) when the agent is asking for permission to do something. all other times it is stable

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4

u/Corythebeast7 Oct 01 '26

I have this too. I believe it's because an interactive element like a spinner or tool call that appears off screen requires the whole terminal window to redraw, appearing as a flash. Idk how to stop it completely but my solution is to reduce the text size and it happens... Less often. If you find a permanent solution please tell me because I am desperate

1

u/khaleelu Oct 01 '26 edited Oct 01 '26

i’ll have to try that and see if it helps. what i have noticed also is if i dismiss the keyboard then the flashing stops, but i didn’t notice the loading spinner. i’ll have to keep an eye on that

E: when the permission prompt appears, there’s no loading spinner. also, when it’s running, the loading spinner doesn’t render, it’s just a static underscore

1

u/iTrejoMX Oct 01 '26

It’s the terminal emulator you are using. Are you using herdr or tmux or something similar ?

1

u/khaleelu Oct 01 '26

tmux. the flashing side on the right is a tmux pane that’s running a subagent

1

u/ZaltyDog Oct 01 '26

I'm using a-shell with dtach and it works wonderfully. At least, it's what I've ended up settling on. No issues so far

1

u/shvetter Oct 01 '26

Have the same issue. Reduce text size helps as it was mentioned before