Outage in Optimism

Mainnet Safe Head Stall

Resolved Minor
July 25, 2023 - Started almost 2 years ago - Lasted 32 minutes

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Outage Details

Our team has identified the cause of the safe head stall, and is actively working on a fix. The issue is the result of an improperly closed channel. This is a known issue with the batcher, and will most likely resolve itself within the next hour. At this time, users syncing the safe head only will continue to experience delays receiving new blocks until a new batch is posted. Please wait while the improperly closed channel automatically expires. We’ll continue to share updates as we have them.
Latest Updates ( sorted recent to last )
IDENTIFIED almost 2 years ago - at 07/25/2023 12:25AM

Our team has identified the cause of the safe head stall, and is actively working on a fix.

The issue is the result of an improperly closed channel. This is a known issue with the batcher, and will most likely resolve itself within the next hour.

At this time, users syncing the safe head only will continue to experience delays receiving new blocks until a new batch is posted.

Please wait while the improperly closed channel automatically expires.

We’ll continue to share updates as we have them.

INVESTIGATING almost 2 years ago - at 07/25/2023 12:18AM

Our team continues to investigate the safe head stall. At this time, users who only sync the safe head will continue to experience delays receiving new blocks. Users syncing the unsafe head will continue receiving new blocks. Transactions are being processed on the sequencer as normal.

We narrowed down the issue to a problem submitting a batch to L1. These issues typically resolve themselves within an hour.

We’ll continue to update you here.

INVESTIGATING almost 2 years ago - at 07/25/2023 12:11AM

Our team is investigating reports of a safe head stall on mainnet. At this time, users who only sync the safe head may experience delays receiving new blocks until a new batch is posted.

We apologize for the inconvenience and will share an update once we have more information.

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