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I-panicServo encounters a panic.Servo encounters a panic.P-macAny version of MacOSAny version of MacOS
Description
To reproduce:
- Launch servo
- Navigate to
demo.servo.organd then click the "TWGL Tunnel" demo. - Close servo
Bactrace:
❯ ./mach run -r
UNSUPPORTED (log once): POSSIBLE ISSUE: unit 1 GLD_TEXTURE_INDEX_2D is unloadable and bound to sampler type (Float) - using zero texture because texture unloadable
Should have destroyed the surface first with `destroy_surface()`! (thread main, at /Users/mukilan/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/surfman-0.10.0/src/platform/macos/system/surface.rs:76)
0: <servoshell::backtrace::Print as core::fmt::Debug>::fmt
1: core::fmt::write
2: std::io::Write::write_fmt
3: servoshell::backtrace::print
4: servoshell::panic_hook::panic_hook
5: std::panicking::panic_with_hook
6: std::panicking::panic_handler::{{closure}}
7: std::sys::backtrace::__rust_end_short_backtrace
8: __rustc::rust_begin_unwind
9: core::panicking::panic_fmt
10: <surfman::platform::macos::system::surface::Surface as core::ops::drop::Drop>::drop
11: core::ptr::drop_in_place<surfman::platform::macos::cgl::surface::Surface>
12: <webgl::webgl_mode::inprocess::WebGLExternalImages as compositing_traits::WebRenderExternalImageApi>::unlock
13: <compositing_traits::WebRenderExternalImageHandlers as webrender_api::image::ExternalImageHandler>::unlock
14: webrender::renderer::Renderer::render_impl
15: webrender::renderer::Renderer::render
16: profile_traits::time::profile
17: compositing::painter::Painter::render
18: compositing::compositor::IOCompositor::render
19: servo::webview::WebView::paint
20: servoshell::desktop::app_state::RunningAppState::repaint_servo_if_necessary
21: egui_glow::winit::EguiGlow::run
22: servoshell::desktop::minibrowser::Minibrowser::update
23: <servoshell::desktop::app::App as winit::application::ApplicationHandler<servoshell::desktop::events_loop::AppEvent>>::window_event
24: winit::platform_impl::macos::event_loop::map_user_event::{{closure}}
25: winit::platform_impl::macos::event_handler::EventHandler::handle_event
26: winit::platform_impl::macos::app_state::ApplicationDelegate::handle_event
27: winit::platform_impl::macos::app_state::ApplicationDelegate::cleared
28: winit::platform_impl::macos::observer::control_flow_end_handler
29: <unknown>
30: <unknown>
31: <unknown>
32: <unknown>
33: <unknown>
34: <unknown>
35: <unknown>
36: <unknown>
37: <unknown>
38: <unknown>
39: winit::platform_impl::macos::event_handler::EventHandler::set
40: winit::platform_impl::macos::app_state::ApplicationDelegate::set_event_handler
41: winit::platform_impl::macos::event_loop::EventLoop<T>::run
42: servoshell::desktop::events_loop::EventsLoop::run_app
43: servoshell::desktop::cli::main
44: std::sys::backtrace::__rust_begin_short_backtrace
45: std::rt::lang_start::{{closure}}
46: std::rt::lang_start_internal
47: _main
[2025-11-04T11:36:00Z ERROR servoshell::panic_hook] Should have destroyed the surface first with `destroy_surface()`!
Servo exited with non-zero status 101
I couldn't reproduce the issue when directly loading the demo (./mach run -r "https://demo.servo.org/experiments/twgl-tunnel/")
Platform:
macOS 15.6
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I-panicServo encounters a panic.Servo encounters a panic.P-macAny version of MacOSAny version of MacOS