zellij-org/zellij · error

ResizePseudoConsole failed: HRESULT 0x{:08x}

Error message

ResizePseudoConsole failed: HRESULT 0x{:08x}

What it means

Error "ResizePseudoConsole failed: HRESULT 0x{:08x}" thrown in zellij-org/zellij.

Source

Thrown at zellij-server/src/os_input_output_windows.rs:560

            )
        };

        match self
            .terminals
            .lock()
            .to_anyhow()
            .with_context(err_context)?
            .get(&terminal_id)
        {
            Some(Some(term)) => {
                if cols > 0 && rows > 0 {
                    let size = COORD {
                        X: cols as i16,
                        Y: rows as i16,
                    };
                    let hr = unsafe { ResizePseudoConsole(term.hpcon, size) };
                    if hr != S_OK {
                        Err::<(), _>(anyhow!("ResizePseudoConsole failed: HRESULT 0x{:08x}", hr))
                            .with_context(err_context)
                            .non_fatal();
                    }
                }
            },
            _ => {
                Err::<(), _>(anyhow!("no ConPTY terminal found for id {}", terminal_id))
                    .with_context(err_context)
                    .non_fatal();
            },
        }
        Ok(())
    }

    pub fn write_to_tty_stdin(&self, terminal_id: u32, buf: &[u8]) -> Result<usize> {
        let err_context = || format!("failed to write to stdin of terminal {}", terminal_id);

        match self

View on GitHub (pinned to 5cb5df5cce)

Solutions

1. Verify the pane id still exists; the terminal may have exited before the resize.
2. Update Windows to a build with stable ConPTY support and retry.

When it happens

Trigger: Occurs at zellij-server/src/os_input_output_windows.rs:560 when the operation fails: "ResizePseudoConsole failed: HRESULT 0x{:08x}". Currently there is no defensive handling preventing or contextualizing this failure before it surfaces.

Common situations: Happens on resize/teardown races on Windows or unsupported Windows builds.

AI-assisted analysis of zellij-org/zellij@5cb5df5cce (2026-08-19). Data as JSON: /api/errors/6a65bb07b2267967. Report an issue: GitHub.