Optimism experienced a minor incident on May 26, 2024, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved May 26, 2024, 09:36 PM UTC
Type: Incident Duration: 1 hour and 22 minutes Affected Components: Transaction Sequencing May 26, 21:36:27 GMT+0 - Investigating - Our team is investigating an unsafe head stall on op-mainnet. At this time, node operators may see their node's unsafe head stall. We apologize for the inconvenience and will share an update once we have more information. May 26, 21:44:15 GMT+0 - Identified - Our team has identified the cause of the unsafe head stall, and is actively working on a fix. At this time, node operators will continue to experience a stalled unsafe head. We’ll continue to share updates as we have them. May 26, 22:08:59 GMT+0 - Identified - Our team is continuing to work on a fix for the unsafe head stall. At this time, node operators may see a stalled or sporadically updating unsafe head. The issue is the result of instability in L1 nodes, causing blob data to be periodically unavailable to the sequencer. We'll continue to update you here. May 26, 22:16:11 GMT+0 - Monitoring - Our team has implemented a fix to resolve the unsafe head stall, and is monitoring the situation. We'll post an update as soon as the issue is fully resolved. May 26, 22:58:33 GMT+0 - Resolved - Our team has resolved the unsafe head stall, and op-mainnet should now be fully operational for all users. If you continue to experience an issue, please let us know on Discord. Thanks for your patience with us!