Crash when running on macOS with "My Mac (Desinged for iPad)

[maxammann]

XCode has a special mode for iOS projects which lets you run apps iOS on macOS. When targeting this destination in XCode the app crashs in the event loop:

2022-04-23 11:56:12.464040+0200 example[97556:577789] [example] copy_read_only: vm_copy failed: status 1.
2022-04-23 11:56:12.486575+0200 example[97556:577789] [default] capability properties: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.492293+0200 example[97556:577789] [default] LSPrefs: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.493021+0200 example[97556:577789] Metal GPU Frame Capture Enabled
2022-04-23 11:56:12.493135+0200 example[97556:577789] Metal API Validation Enabled
[2022-04-23T09:56:12Z INFO  wgpu_core::instance] Adapter Metal AdapterInfo { name: "Apple M1", vendor: 0, device: 0, device_type: IntegratedGpu, backend: Metal }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] configuring surface with SurfaceConfiguration { usage: RENDER_ATTACHMENT, format: Bgra8UnormSrgb, width: 1440, height: 900, present_mode: Fifo }
[2022-04-23T09:56:12Z INFO  wgpu_hal::metal::surface] build swapchain SurfaceConfiguration { swap_chain_size: 3, present_mode: Fifo, composite_alpha_mode: Opaque, format: Bgra8UnormSrgb, extent: Extent3d { width: 1440, height: 900, depth_or_array_layers: 1 }, usage: COLOR_TARGET }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((0, 1, Metal)) with BufferDescriptor { label: None, size: 33554432, usage: COPY_DST | VERTEX, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((1, 1, Metal)) with BufferDescriptor { label: None, size: 33554432, usage: COPY_DST | VERTEX, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((2, 1, Metal)) with BufferDescriptor { label: None, size: 33554432, usage: COPY_DST | INDEX, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((3, 1, Metal)) with BufferDescriptor { label: None, size: 4096, usage: COPY_DST | VERTEX, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((4, 1, Metal)) with BufferDescriptor { label: Some("Layer Metadata ubo"), size: 98304, usage: COPY_DST | VERTEX, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created buffer Valid((5, 1, Metal)) with BufferDescriptor { label: Some("Globals ubo"), size: 80, usage: COPY_DST | UNIFORM, mapped_at_creation: false }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created texture Valid((0, 1, Metal)) with TextureDescriptor { label: Some("Depth texture"), size: Extent3d { width: 1440, height: 900, depth_or_array_layers: 1 }, mip_level_count: 1, sample_count: 4, dimension: D2, format: Depth24PlusStencil8, usage: RENDER_ATTACHMENT }
[2022-04-23T09:56:12Z INFO  wgpu_core::device] Created texture Valid((1, 1, Metal)) with TextureDescriptor { label: Some("Multisampled frame descriptor"), size: Extent3d { width: 1440, height: 900, depth_or_array_layers: 1 }, mip_level_count: 1, sample_count: 4, dimension: D2, format: Bgra8UnormSrgb, usage: RENDER_ATTACHMENT }
2022-04-23 11:56:12.537171+0200 example[97556:578275] [default] capability properties: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.546343+0200 example[97556:577789] [default] capability properties: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.552312+0200 example[97556:577789] [default] LSPrefs: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.558417+0200 example[97556:577789] [default] capability properties: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.564381+0200 example[97556:577789] [default] LSPrefs: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.570483+0200 example[97556:577789] [default] capability properties: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
2022-04-23 11:56:12.577245+0200 example[97556:577789] [default] LSPrefs: could not find untranslocated node for <FSNode 0x6000029e48c0> { isDir = ?, path = '/private/var/folders/1b/3_hwyq796_l6_5ms_6jyktnm0000gn/X/EA68C82C-51B0-50B2-AE73-C6B760858396/d/Wrapper/example.app' }, proceeding on the assumption it is not translocated: Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"
thread '<unnamed>' panicked at 'not implemented', /Users/ehrenamtskarte/.cargo/registry/src/github.com-1ecc6299db9ec823/winit-0.26.1/src/platform_impl/ios/event_loop.rs:242:39
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
libc++abi: terminating with uncaught foreign exception
terminating with uncaught foreign exception

Here is a lldb backtrace:

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
    frame #0: 0x000000019d1fcdb8 libsystem_kernel.dylib`__pthread_kill + 8
    frame #1: 0x000000010567ee84 libsystem_pthread.dylib`pthread_kill + 288
    frame #2: 0x000000019d16c340 libsystem_c.dylib`abort + 168
    frame #3: 0x000000019d1ecb08 libc++abi.dylib`abort_message + 132
    frame #4: 0x000000019d1dc884 libc++abi.dylib`demangling_terminate_handler() + 132
    frame #5: 0x000000019d1ebea4 libc++abi.dylib`std::__terminate(void (*)()) + 20
    frame #6: 0x000000019d1ebe2c libc++abi.dylib`std::terminate() + 44
    frame #7: 0x000000019d1eeec0 libc++abi.dylib`__cxa_rethrow + 152
    frame #8: 0x000000019d0decb0 libobjc.A.dylib`objc_exception_rethrow + 44
    frame #9: 0x000000019fe4c63c AppKit`-[NSApplication run] + 672
    frame #10: 0x000000019fe1dd08 AppKit`NSApplicationMain + 1132
    frame #11: 0x00000001a00f3dd0 AppKit`_NSApplicationMainWithInfoDictionary + 24
    frame #12: 0x00000001b2b7ea7c UIKitMacHelper`UINSApplicationMain + 1276
    frame #13: 0x00000001c52199f8 UIKitCore`UIApplicationMain + 164
  * frame #14: 0x000000010111f1e0 example`winit::platform_impl::platform::event_loop::EventLoop$LT$T$GT$::run::hd76983324db2c4fa(self=EventLoop<()> @ 0x000000016eecd630, event_handler={closure_env#0} @ 0x000000016eecd658) at event_loop.rs:120:13
    frame #15: 0x0000000101174d34 example`winit::event_loop::EventLoop$LT$T$GT$::run::h10defa8f4c1aa8da(self=<unavailable>, event_handler=<unavailable>) at event_loop.rs:154:9
    frame #16: 0x000000010118b230 example`maplibre::winit::_$LT$impl$u20$maplibre..map_state..Runnable$LT$winit..event_loop..EventLoop$LT$$LP$$RP$$GT$$GT$$u20$for$u20$maplibre..map_state..MapState$LT$winit..window..Window$GT$$GT$::run::h2073a06255e497d5(self=MapState<winit::window::Window> @ 0x000000016eece6f0, event_loop=EventLoop<()> @ 0x000000016eecece0, max_frames=Option<u64> @ 0x000000016eece680) at winit.rs:25:9
    frame #17: 0x0000000100f3a348 example`maplibre::Map$LT$W$C$E$GT$::run_with_optionally_max_frames::hf566462469b6c8a5(self=Map<winit::window::Window, winit::event_loop::EventLoop<()>> @ 0x000000016eeced88, max_frames=Option<u64> @ 0x000000016eeced00) at lib.rs:46:9
    frame #18: 0x0000000100f3abc0 example`maplibre::UninitializedMap$LT$W$C$E$GT$::run_sync_with_optionally_max_frames::_$u7b$$u7b$closure$u7d$$u7d$::h88179b499cbd459d((null)=ResumeTy @ 0x000000016eed06f8) at lib.rs:103:17
    frame #19: 0x0000000100f34858 example`_$LT$core..future..from_generator..GenFuture$LT$T$GT$$u20$as$u20$core..future..future..Future$GT$::poll::h1d06a7d9b2de31b1(self=Pin<&mut core::future::from_generator::GenFuture<maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<winit::window::Window, winit::event_loop::EventLoop<()>>>> @ 0x000000016eed0770, cx=0x000000016eed0a08) at mod.rs:84:19
    frame #20: 0x0000000100f3df30 example`tokio::park::thread::CachedParkThread::block_on::_$u7b$$u7b$closure$u7d$$u7d$::hfe7af0bd1d868424 at thread.rs:263:54
    frame #21: 0x0000000100f334dc example`tokio::coop::with_budget::_$u7b$$u7b$closure$u7d$$u7d$::h432dc820e1efcb1f(cell=0x00006000032a8f68) at coop.rs:102:9
    frame #22: 0x0000000100f39d7c example`std::thread::local::LocalKey$LT$T$GT$::try_with::h4c6ce7ec7c103413(self=0x0000000102794f68, f={closure_env#0}<core::task::poll::Poll<()>, tokio::park::thread::{impl#5}::block_on::{closure_env#0}<core::future::from_generator::GenFuture<maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<winit::window::Window, winit::event_loop::EventLoop<()>>>>> @ 0x000000016eed0920) at local.rs:413:16
    frame #23: 0x0000000100f39c00 example`std::thread::local::LocalKey$LT$T$GT$::with::h8aad5cd2a867a0e3(self=0x0000000102794f68, f=<unavailable>) at local.rs:389:9
    frame #24: 0x0000000100f3d9ec example`tokio::park::thread::CachedParkThread::block_on::h466c6f94b2381095 [inlined] tokio::coop::with_budget::h59c7f0d433e4d437(budget=(__0 = core::option::Option<> @ 0x000000016eed0ebe), f={closure_env#0}<core::future::from_generator::GenFuture<maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<winit::window::Window, winit::event_loop::EventLoop<()>>>> @ 0x000000016eed0ec0) at coop.rs:95:5
    frame #25: 0x0000000100f3d9cc example`tokio::park::thread::CachedParkThread::block_on::h466c6f94b2381095 [inlined] tokio::coop::budget::h405f6c130e9da668(f={closure_env#0}<core::future::from_generator::GenFuture<maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<winit::window::Window, winit::event_loop::EventLoop<()>>>> @ 0x000000016eed0e80) at coop.rs:72:5
    frame #26: 0x0000000100f3d97c example`tokio::park::thread::CachedParkThread::block_on::h466c6f94b2381095(self=0x000000016eed0f27, f=(__0 = maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<> @ 0x000000016eed0f28)) at thread.rs:263:31
    frame #27: 0x0000000100f34138 example`tokio::runtime::enter::Enter::block_on::h82cc9f2edd55ba13(self=0x000000016eed13a7, f=(__0 = maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<> @ 0x000000016eed13a8)) at enter.rs:151:13
    frame #28: 0x0000000100f3d6ec example`tokio::runtime::thread_pool::ThreadPool::block_on::h9f1011c5599b4463(self=0x000000016eed2130, future=(__0 = maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<> @ 0x000000016eed1c78)) at mod.rs:73:9
    frame #29: 0x0000000100f35f14 example`tokio::runtime::Runtime::block_on::he3b65f184b0aed38(self=0x000000016eed2128, future=(__0 = maplibre::{impl#2}::run_sync_with_optionally_max_frames::{async_block_env#1}<> @ 0x000000016eed2328)) at mod.rs:477:43
    frame #30: 0x0000000100f3a8f0 example`maplibre::UninitializedMap$LT$W$C$E$GT$::run_sync_with_optionally_max_frames::h3e77dad286407c9f(self=UninitializedMap<winit::window::Window, winit::event_loop::EventLoop<()>> @ 0x000000016eed2ba0, max_frames=Option<u64> @ 0x000000016eed2118) at lib.rs:92:9
    frame #31: 0x0000000100f3a7b4 example`maplibre::UninitializedMap$LT$W$C$E$GT$::run_sync::h0c2785ac12a47a07(self=<unavailable>) at lib.rs:84:9
    frame #32: 0x0000000100f398ac example`maplibre_apple_main at lib.rs:13:5
    frame #33: 0x0000000100f33304 example`static MapLibre.start(self=0x00000001028a80c8) at maplibre.swift:3:9
    frame #34: 0x0000000100f3329c example`static App.main(self=example.App) at exampleApp.swift:7:29
    frame #35: 0x0000000100f332b4 example`static App.$main(self=example.App) at exampleApp.swift:4:1
    frame #36: 0x0000000100f332cc example`main at exampleApp.swift:0
    frame #37: 0x00000001054cd088 dyld`start + 516

winit: 0.26.1

[madsmtm]

This was fixed in #2480.