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| -rw-r--r-- | src/backend/tty.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/tty.rs b/src/backend/tty.rs index fa7d4b18..10becafe 100644 --- a/src/backend/tty.rs +++ b/src/backend/tty.rs @@ -1178,6 +1178,16 @@ impl Tty { return; }; + // This happened for someone reconnecting 2 monitors with a KVM switch: + // https://github.com/YaLTeR/niri/issues/556 + // + // Maybe the vblank didn't get cancelled or got reordered weirdly? Either way, we can avoid + // crashing here. + if matches!(output_state.redraw_state, RedrawState::Idle) { + error!("got vblank for an idle output {name}"); + return; + } + // Mark the last frame as submitted. match surface.compositor.frame_submitted() { Ok(Some((mut feedback, target_presentation_time))) => { |