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Bun crash in the middle of a response #5901
Description
Description
Opencode crashes on some prompts.
The logs in debug level stop at "INFO 2025-12-21T14:07:23 +0ms service=bus type=session.diff publishing"
Messages before:
INFO 2025-12-21T14:07:23 +6ms service=session.prompt status=completed duration=7 resolveTools
INFO 2025-12-21T14:07:23 +1ms service=ripgrep cwd=C:\Users\Lucien\Documents\coding\lien limit=200 tree
INFO 2025-12-21T14:07:23 +20ms service=session.processor process
INFO 2025-12-21T14:07:23 +0ms service=llm providerID=opencode modelID=kimi-k2 sessionID=ses_4bec3971fffeTM0lutfIYE4eM1 small=false agent=build stream
INFO 2025-12-21T14:07:23 +0ms service=llm providerID=opencode modelID=kimi-k2 sessionID=ses_4bec3971fffeTM0lutfIYE4eM1 small=false agent=build params={"options":{}} params
INFO 2025-12-21T14:07:23 +2ms service=bus type=session.status publishing
INFO 2025-12-21T14:07:23 +2ms service=bus type=message.updated publishing
INFO 2025-12-21T14:07:23 +1ms service=bus type=session.updated publishing
INFO 2025-12-21T14:07:23 +0ms service=bus type=session.diff publishing
OpenCode version
1.0.184
Steps to reproduce
Start opencode
Write a prompt
Crash
Screenshot and/or share link
Operating System
Windows 11
Terminal
Windows Terminal
Activity
github-actions commentedon Dec 21, 2025
This issue might be a duplicate of existing issues. Please check:
/exiting #5896: Bun crash when/exitingAll of these involve Bun crashes during execution or at startup. Your issue specifically mentions the logs stopping at "session.diff publishing" and crashes using the kimi-k2 model, which might be a provider-specific issue or a session processing crash.
Feel free to ignore if none of these address your specific case.
rekram1-node commentedon Dec 21, 2025
Ah yeah that’s a bun bug, if you dont mind can you open an issue on their repo? perhaps steps to reproduce for them too?
lotrez commentedon Dec 21, 2025
I used their report link but I haven't been able to reproduce it since I posted this issue :(, it was near 100% before too
bensheed commentedon Feb 2, 2026
I am having this issue with Sonnet when using the Desktop app/server running on another machine.
the last message in every log related to a crash contains "service=bus type=session.status publishing"
Let me know if any other information is need.
github-actions commentedon Apr 4, 2026
To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.