Segmentation fault when running 2d_gizmos example

[lewiszlw]

Bevy version

lastest main(caa6622).

[Optional] Relevant system information

AdapterInfo { name: "Apple M1", vendor: 0, device: 0, device_type: IntegratedGpu, driver: "", driver_info: "", backend: Metal }

SystemInfo { os: "MacOS 13.0 ", kernel: "22.1.0", cpu: "Apple M1", core_count: "8", memory: "16.0 GiB" }

What you did

cargo run --example 2d_gizmos

What went wrong

segmentation fault

P.S. 3d_gizmos example works fine.

[shuoli84]

Same here. It crashed with EXC_BAD_ACCESS

objc_release (@objc_release:7)
AutoreleasePoolPage::releaseUntil(objc_object**) (@AutoreleasePoolPage::releaseUntil(objc_object**):52)
objc_autoreleasePoolPop (@objc_autoreleasePoolPop:67)
<objc::rc::autorelease::AutoReleaseHelper as core::ops::drop::Drop>::drop (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/objc-0.2.7/src/rc/autorelease.rs:17)
core::ptr::drop_in_place<objc::rc::autorelease::AutoReleaseHelper> (@core::ptr::drop_in_place<objc::rc::autorelease::AutoReleaseHelper>:9)
objc::rc::autorelease::autoreleasepool (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/objc-0.2.7/src/rc/autorelease.rs:30)
wgpu_hal::metal::device::<impl wgpu_hal::Device<wgpu_hal::metal::Api> for wgpu_hal::metal::Device>::create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-hal-0.15.3/src/metal/device.rs:807)
wgpu_core::device::Device<A>::create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-core-0.15.1/src/device/mod.rs:3030)
wgpu_core::device::<impl wgpu_core::hub::Global<G>>::device_create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-core-0.15.1/src/device/mod.rs:4938)
<wgpu::backend::direct::Context as wgpu::context::Context>::device_create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-0.15.1/src/backend/direct.rs:1174)
<T as wgpu::context::DynContext>::device_create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-0.15.1/src/context.rs:2191)
wgpu::Device::create_render_pipeline (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/wgpu-0.15.1/src/lib.rs:2055)
bevy_render::renderer::render_device::RenderDevice::create_render_pipeline (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_render/src/renderer/render_device.rs:105)
bevy_render::render_resource::pipeline_cache::PipelineCache::process_render_pipeline (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_render/src/render_resource/pipeline_cache.rs:612)
bevy_render::render_resource::pipeline_cache::PipelineCache::process_queue (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_render/src/render_resource/pipeline_cache.rs:683)
bevy_render::render_resource::pipeline_cache::PipelineCache::process_pipeline_queue_system (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_render/src/render_resource/pipeline_cache.rs:718)
core::ops::function::FnMut::call_mut (@core::ops::function::FnMut::call_mut:14)
core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut (@core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut:19)
<Func as bevy_ecs::system::function_system::SystemParamFunction<fn(F0) .> Out>>::run::call_inner (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_ecs/src/system/function_system.rs:648)
<Func as bevy_ecs::system::function_system::SystemParamFunction<fn(F0) .> Out>>::run (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_ecs/src/system/function_system.rs:651)
<bevy_ecs::system::function_system::FunctionSystem<Marker,F> as bevy_ecs::system::system::System>::run_unsafe (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_ecs/src/system/function_system.rs:485)
bevy_ecs::schedule::executor::multi_threaded::MultiThreadedExecutor::spawn_system_task::{{closure}}::{{closure}} (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_ecs/src/schedule/executor/multi_threaded.rs:448)
core::ops::function::FnOnce::call_once (@core::ops::function::FnOnce::call_once:7)
<core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (@<core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once:13)
std::panicking::try::do_call (@std::panicking::try::do_call:40)
__rust_try (@__rust_try:11)
std::panicking::try (@std::panicking::try:30)
std::panic::catch_unwind (@std::panic::catch_unwind:13)
bevy_ecs::schedule::executor::multi_threaded::MultiThreadedExecutor::spawn_system_task::{{closure}} (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_ecs/src/schedule/executor/multi_threaded.rs:446)
async_executor::Executor::spawn::{{closure}} (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/async-executor-1.5.0/src/lib.rs:139)
async_task::raw::RawTask<F,T,S>::run (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/async-task-4.3.0/src/raw.rs:511)
async_task::runnable::Runnable::run (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/async-task-4.3.0/src/runnable.rs:309)
async_executor::Executor::run::{{closure}}::{{closure}} (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/async-executor-1.5.0/src/lib.rs:230)
<futures_lite::future::Or<F1,F2> as core::future::future::Future>::poll (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:529)
async_executor::Executor::run::{{closure}} (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/async-executor-1.5.0/src/lib.rs:237)
futures_lite::future::block_on::{{closure}} (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:89)
std::thread::local::LocalKey<T>::try_with (@std::thread::local::LocalKey<T>::try_with:79)
std::thread::local::LocalKey<T>::with (@std::thread::local::LocalKey<T>::with:11)
futures_lite::future::block_on (/Users/shuoli/.cargo/registry/src/github.1485827954.workers.dev-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:79)
bevy_tasks::task_pool::TaskPool::new_internal::{{closure}}::{{closure}}::{{closure}}::{{closure}} (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_tasks/src/task_pool.rs:171)
std::panicking::try::do_call (@std::panicking::try::do_call:41)
__rust_try (@__rust_try:11)
std::panicking::try (@std::panicking::try:31)
std::panic::catch_unwind (@std::panic::catch_unwind:13)
bevy_tasks::task_pool::TaskPool::new_internal::{{closure}}::{{closure}}::{{closure}} (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_tasks/src/task_pool.rs:165)
std::thread::local::LocalKey<T>::try_with (@std::thread::local::LocalKey<T>::try_with:91)
std::thread::local::LocalKey<T>::with (@std::thread::local::LocalKey<T>::with:16)
bevy_tasks::task_pool::TaskPool::new_internal::{{closure}}::{{closure}} (/Users/shuoli/.cargo/git/checkouts/bevy-f7ffde730c324c74/6a85eb3/crates/bevy_tasks/src/task_pool.rs:158)
std::sys_common::backtrace::__rust_begin_short_backtrace (@std::sys_common::backtrace::__rust_begin_short_backtrace:14)
std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}} (@std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}:14)
<core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once (@<core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once:14)
std::panicking::try::do_call (@std::panicking::try::do_call:48)
__rust_try (@__rust_try:11)
std::panicking::try (@std::panicking::try:37)
std::panic::catch_unwind (@std::panic::catch_unwind:14)
std::thread::Builder::spawn_unchecked_::{{closure}} (@std::thread::Builder::spawn_unchecked_::{{closure}}:101)
core::ops::function::FnOnce::call_once{{vtable.shim}} (@core::ops::function::FnOnce::call_once{{vtable.shim}}:9)
<alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once (@std::sys::unix::thread::Thread::new::thread_start:15)
<alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once (@std::sys::unix::thread::Thread::new::thread_start:12)
std::sys::unix::thread::Thread::new::thread_start (@std::sys::unix::thread::Thread::new::thread_start:11)
_pthread_start (@_pthread_start:40)

[shuoli84]

Should be introduced by pr #6529

[tim-blackbird]

@cwfitzgerald This seems to be coming from inside wgpu.
Help would be appreciated if you have the time :)

[cwfitzgerald]

You can try running with METAL_WRAPPER_TYPE=1 in your env to see if there's a validation error, other than that, I'm lost.

[lewiszlw]

[rparrett]

The bloom_2d example also segfaults for me. Bisected to #6529.

AdapterInfo { name: "Apple M1 Max", vendor: 0, device: 0, device_type: IntegratedGpu, driver: "", driver_info: "", backend: Metal }
SystemInfo { os: "MacOS 13.1 ", kernel: "22.2.0", cpu: "Apple M1 Max", core_count: "10", memory: "64.0 GiB" }

Interestingly, bloom_2d (but not 2d_gizmos) also fails under in a CI environment

AdapterInfo { name: "llvmpipe (LLVM 15.0.6, 256 bits)", vendor: 65541, device: 0, device_type: Cpu, driver: "llvmpipe", driver_info: "Mesa 23.1.0-devel (git-270f9c0 2023-03-21 jammy-oibaf-ppa) (LLVM 15.0.6)", backend: Vulkan }
SystemInfo { os: "Linux 22.04 Ubuntu", kernel: "5.15.0-[103](https://github.com/rparrett/prototype_bevy_example_runner/actions/runs/4478769269/jobs/7871955336#step:10:104)4-azure", cpu: "Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz", core_count: "2", memory: "6.8 GiB" }

2023-03-21T12:24:15.705573Z ERROR wgpu::backend::direct: Handling wgpu errors as fatal by default    
thread '<unnamed>' panicked at 'wgpu error: Validation Error
Caused by:
    In a RenderPass
      note: encoder = `<CommandBuffer-(0, 1, Vulkan)>`
    In a set_pipeline command
      note: render pipeline = `gizmo_2d_pipeline`
    Render pipeline targets are incompatible with render pass
    Incompatible color attachment: the renderpass expected [Some(Rgba16Float)] but was given [Some(Rgba8UnormSrgb)]

[cwfitzgerald]

Sorry I gave the wrong env, it's METAL_DEVICE_WRAPPER_TYPE=1

[tim-blackbird]

Interestingly, bloom_2d (but not 2d_gizmos also fails under in a CI environment

Oops. I didn't specialize the 2d pipeline on HDR. I'll have a PR up shortly to fix that.

edit: #8151

[rparrett]

edit: #8151

Cool, seems like this was unrelated to the M1 segfaulting which is still happening in every example with a 2d camera as far as I can tell. (didn't test them all)

[tim-blackbird]

Cool, seems like this was unrelated to the M1 segfaulting

Yeah, I figured.

I don't see a reason why this happens as the 2d gizmo pipeline really doesn't do anything special and is mostly the same as the 3d one, except for not using a depth stencil and alpha blending being enabled.

Have you tried running it with METAL_DEVICE_WRAPPER_TYPE=1?

[rparrett]

Yeah, that emits a

2023-03-21 13:20:56.059 2d_gizmos[50337:22271848] Metal API Validation Enabled

message, but no validation errors.

[doup]

I'm getting this same issue when running ui examples, also concluded that #6529 was the origin.