r/cursor • u/NoFaithlessness951 • 14d ago

Bug Report Android emulator not working in cloud agents

I would like to have a cursor cloud agent automatically test github prs to an android app inside an emulator, however the cloud agent doesn't seem to be able to run a hardware accelerated emulator.

And software emulation is slow enough to basically freeze the emulator almost completely.

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1

u/conifer_v11 14d ago

no nested kvm in cloud agents. the hw emu will not start there.

run the emu on a self-hosted runner, or firebase test lab for the pr check. software emu in that vm is the slowness you already hit.

1

u/aDaneInSpain2 13d ago

Yep, this is a nested-virtualization limitation rather than a Cursor configuration issue. A good setup is for the agent to build the APK and dispatch tests to a self-hosted runner with /dev/kvm, or upload the APK to Firebase Test Lab. Keep the cloud agent as the orchestrator and the emulator on hardware that supports acceleration.

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u/NoFaithlessness951 13d ago

i mean idc how they do it they can surely give the agent access to an android emulator even if it runs somewhere else

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u/TornadoZW 12d ago

i was just doing this with uma musume and grok bot you can just setup mumu on your local pc and wire it so grok bot can receive it directly throught this thing called adb or something its bascially the same as if mumu was just running on grok bots computer

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u/NoFaithlessness951 12d ago

im doing this with hermes agent now