Ethereum Merge Having Issues? Before The Scheduled Upgrade, Developers Discover Bugs

August 24, 2022 - Around 2 mins mins to read

Even if the impending Ethereum Merge is one of the most eagerly awaited events in the crypto ecosystem right now, it is not without its challenges. But when problems do exist, Ethereum developers act quickly to fix them.

Ethereum Merge Having Issues? Before The Scheduled Upgrade, Developers Discover Bugs

A defect that leads to a corrupted state has been discovered, according to Péter Szilágyi, a software developer for Ethereum (ETH), who made the announcement on Twitter. He clarified that it was most likely one of the pull requests for the online pruner or new storage model that was merged.

Aaand our latest release is borked. ???? Geth 1.10.22 contains a regression that causes the trie/state to go bad. Most probably it's one of the PRs we've merged towards the new storage model / online pruner. Trying to find and fix the issue.
— Péter Szilágyi (karalabe.eth) (@peter_szilagyi) August 23, 2022

In a subsequent update, the developer stressed that users of the version will probably experience database corruption and data loss as a result of the issue. He further explained that the problem of data loss occurs at shutdown, which is why their tests failed to detect the defect.

Hmmm. We might have found the issue, which if true, unfortuantely means there's a high probability that anyone running the release will have their db fried :/

The "fun" part about the issue is that data loss happens only on shutdown so none of our tests/benchmarks caught it. https://t.co/sYMap2If3u
— Péter Szilágyi (karalabe.eth) (@peter_szilagyi) August 23, 2022

Ethereum Merge the problems, after a day the developers were able to offer a remedy

To fix the bug, Go Ethereum released a hotfix. The team recommended people who upgraded to go back and try again to ensure that everything was operating as it should. As they tweeted:

We've just released Geth v1.10.23, a hotfix to patch a state corruption in 1.10.22.

If you've already updated to .22, you will have to roll back your chain and rerun the last 2 days to ensure everything's ok. More in the release notes.

Sorry about this!https://t.co/bkvAmw09KZ
— Go Ethereum (@go_ethereum) August 24, 2022

Szilágyi recommended the community to hold off until the builders were finished once the patch was released in order to be sure they would be using the “good version.” On Twitter, the developer expressed regret for failing to catch the problem during testing and made a commitment to improve future stress tests. The developer also expressed gratitude to everyone who provided assistance in resolving the problem.

The hotfix for the Geth messup is out! Please check the release notes for details; and please wait until builders are done / ensure you're on the good version.

Apologies again for missing this issue during testing. We'll try to figure out a way to stress test better.#Ethereum https://t.co/uqCo0iXC5b
— Péter Szilágyi (karalabe.eth) (@peter_szilagyi) August 24, 2022

In addition to having an impact on the economy, the impending Ethereum Merge forces miners to make a decision. Some claim that a proof-of-work (PoW) Ethereum hard fork could be the answer for miners. However, a few mining pools have indicated that they are switching to staking.

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