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Examples are panicking when running in virtualbox #413

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Description

Virtualbox 6.1.12
Guest OS: Arch Linux, Kernel 5.8.5
GPU: VMware SVGA II Adapter (VMSVGA)

Steps to reproduce:

  1. use a virtualbox vm with the VMSVGA graphics adapter
  2. install rustup
  3. clone bevy repository (for the examples)
  4. run cargo run --example breakout

Expected behavior:
Running the bevy breakout example

Actual behavior:
Cargo / Rust crashes with following errormessage: (with RUST_BACKTRACE=1)

     Running `target/debug/examples/breakout`
thread 'main' panicked at 'Unable to find a GPU! Make sure you have installed required drivers!', crates/bevy_wgpu/src/wgpu_renderer.rs:28:14
stack backtrace:
   0: backtrace::backtrace::libunwind::trace
             at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
   1: backtrace::backtrace::trace_unsynchronized
             at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
   2: std::sys_common::backtrace::_print_fmt
             at src/libstd/sys_common/backtrace.rs:78
   3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
             at src/libstd/sys_common/backtrace.rs:59
   4: core::fmt::write
             at src/libcore/fmt/mod.rs:1076
   5: std::io::Write::write_fmt
             at src/libstd/io/mod.rs:1537
   6: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:62
   7: std::sys_common::backtrace::print
             at src/libstd/sys_common/backtrace.rs:49
   8: std::panicking::default_hook::{{closure}}
             at src/libstd/panicking.rs:198
   9: std::panicking::default_hook
             at src/libstd/panicking.rs:217
  10: std::panicking::rust_panic_with_hook
             at src/libstd/panicking.rs:526
  11: rust_begin_unwind
             at src/libstd/panicking.rs:437
  12: core::panicking::panic_fmt
             at src/libcore/panicking.rs:85
  13: core::option::expect_failed
             at src/libcore/option.rs:1261
  14: core::option::Option<T>::expect
             at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/option.rs:344
  15: bevy_wgpu::wgpu_renderer::WgpuRenderer::new::{{closure}}
             at crates/bevy_wgpu/src/wgpu_renderer.rs:22
  16: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
             at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/future/mod.rs:78
  17: pollster::block_on
             at /home/itgenie98/.cargo/registry/src/github.com-1ecc6299db9ec823/pollster-0.2.0/src/lib.rs:64
  18: bevy_wgpu::wgpu_render_system
             at crates/bevy_wgpu/src/lib.rs:35
  19: <bevy_wgpu::WgpuPlugin as bevy_app::plugin::Plugin>::build
             at crates/bevy_wgpu/src/lib.rs:22
  20: bevy_app::app_builder::AppBuilder::add_plugin
             at ./crates/bevy_app/src/app_builder.rs:235
  21: <bevy_app::app_builder::AppBuilder as bevy::add_default_plugins::AddDefaultPlugins>::add_default_plugins
             at src/add_default_plugins.rs:33
  22: breakout::main
             at examples/game/breakout.rs:9
  23: std::rt::lang_start::{{closure}}
             at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
  24: std::rt::lang_start_internal::{{closure}}
             at src/libstd/rt.rs:52
  25: std::panicking::try::do_call
             at src/libstd/panicking.rs:348
  26: std::panicking::try
             at src/libstd/panicking.rs:325
  27: std::panic::catch_unwind
             at src/libstd/panic.rs:394
  28: std::rt::lang_start_internal
             at src/libstd/rt.rs:51
  29: std::rt::lang_start
             at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
  30: main
  31: __libc_start_main
  32: _start
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
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    A-RenderingDrawing game state to the screenC-StartupA crash that occurs when first attempting to run a Bevy appP-CrashA sudden unexpected crash

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