xai-org/grok-build · error · RepairHistoryBlocked

cannot repair history while a turn is in flight; stop the tu

Error message

cannot repair history while a turn is in flight; stop the turn first

What it means

Error "cannot repair history while a turn is in flight; stop the turn first" thrown in xai-org/grok-build.

Source

Thrown at crates/codegen/xai-grok-shell/src/session/acp_session_impl/rewind.rs:597

    /// the chat-state actor, then flush persistence so `chat_history.jsonl`
    /// is rewritten on disk before the caller sees success.
    ///
    /// Refused while a turn is in flight (in-flight tool calls legitimately
    /// await their results). The refusal is enforced inside the chat-state
    /// actor's command handler — see `ChatStateCommand::RepairHistory` for
    /// why a caller-side check alone would race turn start; the check below
    /// is just a fast path.
    pub(super) async fn handle_repair_history(
        &self,
        dry_run: bool,
    ) -> anyhow::Result<xai_chat_state::compaction_utils::HistoryRepairReport> {
        // Per-session flag — NOT `tool_context.is_turn_active`, which is the
        // agent-wide coordinator flag shared by all sessions (using it would
        // refuse repair of an idle session while any other session runs a
        // turn, and another session's turn end could clear it mid-turn).
        let turn_flag = self.session_turn_active.clone();
        if turn_flag.load(std::sync::atomic::Ordering::SeqCst) {
            anyhow::bail!(xai_chat_state::commands::RepairHistoryBlocked);
        }

        let report = self
            .chat_state_handle
            .repair_history(dry_run, Some(turn_flag))
            .await
            .ok_or_else(|| anyhow::anyhow!("chat-state actor unavailable"))?
            .map_err(anyhow::Error::new)?;

        if report.changed() && !dry_run {
            // Flush barrier: success must mean the rewrite is on disk.
            let (flush_tx, flush_rx) = tokio::sync::oneshot::channel();
            if self
                .notifications
                .persistence_tx
                .send(PersistenceMsg::FlushAndAck {
                    respond_to: flush_tx,
                })

View on GitHub (pinned to bc7f02eddd)

When it happens

Trigger: Thrown at crates/codegen/xai-grok-shell/src/session/acp_session_impl/rewind.rs:597 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of xai-org/grok-build@bc7f02eddd (2026-08-31). Data as JSON: /api/errors/8cf92b840ed2ae15. Report an issue: GitHub.