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servo
Empty window on GNOME with Wayland
After compiling Servo with ./mach build --dev -p servo and running it with ./mach run --dev tests/html/about-mozilla.html, an empty window shows up with weird glitches inside. Interestingly, when I took a screenshot, it generated transparent pixels there.
Servo does not display anything in the console.
I run Arch Linux with GNOME 43.2 on Wayland. I am using NVIDIA GeForce GTX 1660 SUPER with a proprietary driver.
Hi @nawordar
I'm running Wayland as well and I'm not able to reproduce this on my system. I am however using KDE and Intel UHD.
Since this issue might be specific to your configuration, it will be great if you can test the following and share your findings if possible.
- Does forcing the use of X11 fix the issue? You can do
export WINIT_UNIX_BACKEND=x11before running servo to force the use of XWayland. - Do you have access to KDE or other Wayland compositors like sway that you can test with to eliminate issues with GNOME?
- Are there any errors in the debug level logs - i.e
RUST_LOG=debug ./mach run --dev tests/html/about-mozilla.html
In case it is of any help, I tested using Arch Linux, GNOME 43.3 on Wayland and I actually have the same graphics card NVIDIA GeForce GTX 1660 SUPER with a proprietary driver.
I got a web page rendering in a window using the same build and run command.
@mukilan I didn't have access to this computer for a while, so I couldn't respond sooner.
Does forcing the use of X11 fix the issue? You can do
export WINIT_UNIX_BACKEND=x11before running servo to force the use of XWayland.
Yes, although it produces warning libEGL warning: egl: failed to create dri2 screen
Do you have access to KDE or other Wayland compositors like sway that you can test with to eliminate issues with GNOME?
Not yet, will update on that later
Are there any errors in the debug level logs - i.e
RUST_LOG=debug ./mach run --dev tests/html/about-mozilla.html
No errors. I only get these warnings on both Wayland and X11:
[2023-04-06T19:05:38Z WARN constellation::constellation] Visibility change for closed browsing context PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(1) }.
[2023-04-06T19:05:40Z WARN script::timers] Resuming an already resumed timer.
@tirithen Can you verify Servo doesn't open in XWayland? My favorite method is checking if xeyes works on that window.
I'm experiencing the same problem when runs WINIT_UNIX_BACKEND=wayland ./mach run .. . I confirmed it both happens on KDE Wayland and Gnome Wayland. Servo runs OK with environment variable WINIT_UNIX_BACKEND=x11.
@nawordar Thanks for sharing your findings!
@VitalyAnkh If possible could you also please share the debug level logs - i.e RUST_LOG=debug ./mach run --dev tests/html/about-mozilla.html and your graphics setup (graphic card, driver information etc).
@mukilan Hi! I run servo with Nvidia 3060 Mobile, open kernel modules driver Nvidia driver 530.41.03, Arch Linux, kernel 6.3, Gnome 44 with Wayland.
The output of running RUST_BACKTRACE=1 RUST_LOG=debug WINIT_UNIX_BACKEND=wayland ./mach run -d -- tests/html/about-mozilla.html is here: https://gist.github.com/VitalyAnkh/8ba9d49e0ef23c06b1afca2e6e71dd79. The log shows servo panicks other than showing an empty window. The last line "Servo was terminated by signal 2" is because of my pressing of "Ctrl-C".
The servo tested is compiled with the latest commit: https://github.com/servo/servo/commit/818ee77d9da95210e35034a85541b8c8e67d581e.
renderer::deinit not called (thread main, at /home/vitalyr/.cargo/git/checkouts/webrender-479e138e1c1b9e8b/415b9ba/webrender/src/device/gl.rs:559)
0: servo::backtrace::print
at /home/vitalyr/projects/dev/rust-projects/servo/ports/winit/backtrace.rs:17:5
1: servo::main::{{closure}}
at /home/vitalyr/projects/dev/rust-projects/servo/ports/winit/main2.rs:133:21
2: <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/alloc/src/boxed.rs:2002:9
std::panicking::rust_panic_with_hook
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:692:13
3: std::panicking::begin_panic::{{closure}}
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:608:9
4: std::sys_common::backtrace::__rust_end_short_backtrace
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/sys_common/backtrace.rs:137:18
5: std::panicking::begin_panic
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:607:12
6: <webrender::device::gl::Program as core::ops::drop::Drop>::drop
at /home/vitalyr/.cargo/git/checkouts/webrender-479e138e1c1b9e8b/415b9ba/webrender/src/device/gl.rs:559:9
7: core::ptr::drop_in_place<webrender::device::gl::Program>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
8: core::ptr::drop_in_place<core::option::Option<webrender::device::gl::Program>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
9: core::ptr::drop_in_place<webrender::shade::LazilyCompiledShader>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
10: core::ptr::drop_in_place<webrender::shade::BrushShader>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
11: core::ptr::drop_in_place<webrender::shade::Shaders>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
12: core::ptr::drop_in_place<core::cell::UnsafeCell<webrender::shade::Shaders>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
13: core::ptr::drop_in_place<core::cell::RefCell<webrender::shade::Shaders>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
14: <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/alloc/src/rc.rs:1593:17
15: core::ptr::drop_in_place<alloc::rc::Rc<core::cell::RefCell<webrender::shade::Shaders>>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
16: core::ptr::drop_in_place<webrender::renderer::Renderer>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
17: core::ptr::drop_in_place<compositing::compositor::IOCompositor<dyn servo::window_trait::WindowPortsMethods>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
18: core::ptr::drop_in_place<servo::Servo<dyn servo::window_trait::WindowPortsMethods>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
19: core::ptr::drop_in_place<core::option::Option<servo::Servo<dyn servo::window_trait::WindowPortsMethods>>>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
20: core::ptr::drop_in_place<servo::app::App>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
21: core::ptr::drop_in_place<servo::app::App::run::{{closure}}>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
22: core::ptr::drop_in_place<servo::events_loop::EventsLoop::run_forever<servo::app::App::run::{{closure}}>::{{closure}}>
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ptr/mod.rs:490:1
23: winit::platform_impl::platform::wayland::event_loop::EventLoop<T>::run_return
at /home/vitalyr/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.3/src/platform_impl/linux/wayland/event_loop/mod.rs:569:5
24: winit::platform_impl::platform::wayland::event_loop::EventLoop<T>::run
at /home/vitalyr/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.3/src/platform_impl/linux/wayland/event_loop/mod.rs:223:25
25: winit::platform_impl::platform::EventLoop<T>::run
at /home/vitalyr/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.3/src/platform_impl/linux/mod.rs:792:56
26: winit::event_loop::EventLoop<T>::run
at /home/vitalyr/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.3/src/event_loop.rs:305:9
27: servo::events_loop::EventsLoop::run_forever
at /home/vitalyr/projects/dev/rust-projects/servo/ports/winit/events_loop.rs:93:17
28: servo::app::App::run
at /home/vitalyr/projects/dev/rust-projects/servo/ports/winit/app.rs:66:9
29: servo::main
at /home/vitalyr/projects/dev/rust-projects/servo/ports/winit/main2.rs:161:5
30: core::ops::function::FnOnce::call_once
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ops/function.rs:250:5
31: std::sys_common::backtrace::__rust_begin_short_backtrace
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/sys_common/backtrace.rs:121:18
32: std::rt::lang_start::{{closure}}
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/rt.rs:166:18
33: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/core/src/ops/function.rs:287:13
std::panicking::try::do_call
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:483:40
std::panicking::try
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:447:19
std::panic::catch_unwind
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panic.rs:140:14
std::rt::lang_start_internal::{{closure}}
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/rt.rs:148:48
std::panicking::try::do_call
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:483:40
std::panicking::try
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panicking.rs:447:19
std::panic::catch_unwind
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/panic.rs:140:14
std::rt::lang_start_internal
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/rt.rs:148:20
34: std::rt::lang_start
at /rustc/dc1d9d50fba2f6a1ccab8748a0050cde38253f60/library/std/src/rt.rs:165:17
35: main
36: <unknown>
37: __libc_start_main
38: _start
Maybe a version bump for webrender will solve this? https://github.com/servo/servo/pull/28605
The webrender used in servo seems very old.
I haven't tried compiling Servo since then and I cannot get Servo to build now because of #30587. I even tried building with Nix, but I got hundreds of undefined references when compiling servoshell.
@nawordar, could you please open an issue about the Nix build errors?
@VitalyAnkh’s error looks like the same kind as in #30826:
wl_surface@30: error 2: Buffer size (10x727) must be an integer multiple of the buffer_scale (2).
For anyone else still having problems, can you check if the problems still occur with --no-minibrowser? When the minibrowser is enabled, we now use offscreen rendering (#30767), which is more complex.
I have the same problem on Hyprland on Arch Linux. I suspect it may be about the Nvidia GPU, we can't use anything that is made for X originally with hardware accelaration these days, like electron apps, chrome based browsers they all flicker like wildfire. Wayland and Nvidia relationship is very problematic at the moment. Firefox runs fine but for the rest I'm waiting for the Nvidia 555 drivers.
I wonder if anyone on hyprland experience this issue with an AMD GPU.
First I tried the prebuilt nightly from the servo page outside github, just an hour ago. It didn't work then I built both release and dev versions after tackling the infamous error with the crown -vV (deleting rust, rustup, installing rustup from pacman and running ./mach bootstrap ...)
Alas, I only have a blank screen.
export WINIT_UNIX_BACKEND=x11 - Not working for me.
env WAYLAND_DISPLAY="" works but many things don't work and throws the egl failed to create dri2 screen error. Some sites render for the while I scroll or resize or interact, then it shows as if a CRT TV with Antenna with bad weather outside.
