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Uncancellable hanging #529
Description
Describe the bug
Pretty often, Copilot CLI gets stuck waiting for or generating a response, e.g.:
I've been waiting for over a minute with no indication of progress (which seems like a bug in its own right), so I press ESC and it goes to:
... but never completes cancellation either, so I have to just ctrl+c to quit the app.
Affected version
0.0.351
Commit: 90770bc
Steps to reproduce the behavior
No response
Expected behavior
Shouldn't take forever to complete its response, but if it does, esc should cancel and make the app able to continue accepting input.
Additional context
No response
Activity
thawkins commentedon Nov 11, 2025
I have experienced this problem too.
non-stop-dev commentedon Nov 11, 2025
Same issue here.
Workaround: Kill terminal, open chat again by using
copilot --resumeand continue.EvanBoyle commentedon Nov 11, 2025
I have a reliable repro for this now:
run sleep 400 via the bash toolI believe when we added streaming, we might've forgotten to check the abort signal within those loops. Working on a fix now.
EvanBoyle commentedon Nov 11, 2025
Fix incoming.
EvanBoyle commentedon Nov 11, 2025
Fix is merged and should go out in the next release. We weren't propagating abort signals to a couple of tools like the bash tool, and not stopping to check them while in the process of iterating over the output stream. In all of my manual tests and repros cancellations are now instantaneous. But please reopen this issue if you aren't seeing that after the next mainline release.