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Author Topic: Error message on bitcoin core  (Read 102 times)
AquaRegia1
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August 29, 2019, 01:36:38 PM
 #1

Running a bitcoin core 32-bit wallet / node and continually get an error message pop up saying:

"Unknown block versions being mined! It's possible unknown rules are in effect."

I close the GUI and re boot, update and re synch and it goes away for a few days.
Running on Windows 10, Toshiba laptop using a 3TB external HD for blockchain storage.

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AdolfinWolf
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August 29, 2019, 01:36:58 PM
Last edit: August 29, 2019, 01:48:24 PM by AdolfinWolf
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That's quite normal. nothing to worry about.

This warning is currently benign and has been fixed for Bitcoin Core 0.18. You see it because miners are using the block version number for a mining optimization called ASICBOOST. However soft forks in the past have used the version number for readiness signalling. Bitcoin Core is seeing version numbers it is not expecting (due to ASICBOOST) and thus triggering the warning.


I don't see a 18.0 win86 version so i think you might be stuck with this warning. (or you need to build v18.0 yourself, but i'm not sure if that's possible either.)

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August 29, 2019, 05:29:41 PM
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 #3

I don't see a 18.0 win86 version so i think you might be stuck with this warning. (or you need to build v18.0 yourself, but i'm not sure if that's possible either.)

According to achow101, there's 32-bit/x86 librar for Bitcoin Core. You just need to build/make/compile it by yourself.

The Windows 32-bit has had some performance and other issues. While it still works, it does also hold back some other future improvements. By removing it now, we won't have to worry about supporting Windows 32-bit for those future improvements. You can read the discussion about this here: http://www.erisian.com.au/meetbot/bitcoin-core-dev/2019/bitcoin-core-dev.2019-04-11-19.00.log.html (it's during the Platform Deprecation topic towards the end).

It was removed under the assumption that few or no people were using Windows 32-bit.

Note that Bitcoin Core 0.18.0 still had Windows 32-bit binaries built. They simply weren't uploaded for now. If there is enough people who are using Windows 32-bit, they can and will be uploaded too and future releases will have them as well.

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August 30, 2019, 06:55:17 AM
 #4

Yes, it's quite normal but the "fix" isn't just for the x86 (32bit) version, it was intentionally removed in 0.18.0 (15471).

@AquaRegia1
If you really want it to be removed, update your client to 0.18.1 or even 0.18.0.

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