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8bitdo SN30 Pro Bluetooth controller no longer reconnects

Posted: Thu Oct 17, 2024 8:36 am
by keith.f.kelly

Just powered up and updated my MiSTer today after many months of not using it.

New problem: After using my 8bitdo SN30 Pro controller successfully with MiSTer but then stepping away for a bit and letting the controller go to sleep, powering the controller back on does NOT reconnect successfully with MiSTer anymore. The lights on the controller act as if it has reconnected, but MiSTer does not acknowledge that the controller has been reconnected, and MiSTer does not respond to any button presses on the controller.

Warm rebooting MiSTer and power cycling the controller does not resolve the problem.

Cold rebooting MiSTer and power cycling the controller does not resolve the problem.

Hard power cycling MiSTer and power cycling the controller resolves the problem, but only until the controller goes to sleep again.

Deleting the mounted 'bluetooth' file-as-filesystem and re-pairing from scratch resolves the issue, but only until the controller goes to sleep again.

This is a major usability regression. Are other 8bitdo SN30 Pro Bluetooth controller users seeing this same issue?

I tried reverting to the pre-update MiSTer binary. That does not resolve the issue. So it's probably something that changed in the Linux system/kernel or Bluetooth driver, right?


Re: 8bitdo SN30 Pro Bluetooth controller no longer reconnects

Posted: Thu Oct 17, 2024 10:11 am
by FPGA64

No I have no such issue with mine.


Re: 8bitdo SN30 Pro Bluetooth controller no longer reconnects

Posted: Thu Oct 17, 2024 1:56 pm
by blacklistedcard

My controllers are also good with the latest updates.


Re: 8bitdo SN30 Pro Bluetooth controller no longer reconnects

Posted: Fri Oct 18, 2024 12:47 am
by keith.f.kelly

Okay, my 8bitdo SN30 Pro troubles were because the controllers has (unbeknownst to me) reverted themselves back to Switch mode, probably due to the batteries running totally dead from not being used in a while. Switched back over to d-input mode and now all is well. Thanks!


Re: 8bitdo SN30 Pro Bluetooth controller no longer reconnects

Posted: Sun Oct 20, 2024 7:31 am
by pepito

all good with mine too.