A number of validation errors occur when using vulkan_tests on Linux with an nvidia GPU.

[ RUN      ] BasicVulkanTest.BasicVulkanSurface
[50775:50775:0507/140427.110912:1223958215214:ERROR:vulkan_implementation.cc(26)] Object: 0x3ddc3580b820 | vkCreateSwapChainKHR(): pCrea
teInfo->surface is not known at this time to be supported for presentation by this device. The vkGetPhysicalDeviceSurfaceSupportKHR() mu
st be called beforehand, and it must return VK_TRUE support with this surface for at least one queue family of this device. The spec val
id usage text states 'surface must be a surface that is supported by the device as determined using vkGetPhysicalDeviceSurfaceSupportKHR
' (https://www.khronos.org/registry/vulkan/specs/1.0-extensions/html/vkspec.html#VUID-VkSwapchainCreateInfoKHR-surface-01270)
[50775:50775:0507/140427.111047:1223958215344:ERROR:vulkan_swap_chain.cc(113)] vkCreateSwapchainKHR() failed: -1000011001
../../gpu/vulkan/tests/vulkan_test.cc:22: Failure
Value of: surface->Initialize(GetDeviceQueue(), VulkanSurface::DEFAULT_SURFACE_FORMAT)
  Actual: false                                 
Expected: true                               
Stack trace:                                           
#0 0x000000f94b40 StackTraceGetter::CurrentStackTrace()
#1 0x000000fbd227 testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#2 0x000000fbc68d testing::internal::AssertHelper::operator=()
#3 0x00000067c626 gpu::BasicVulkanTest_BasicVulkanSurface_Test::TestBody()
#4 0x000000ff995e testing::internal::HandleSehExceptionsInMethodIfSupported<>()

[  FAILED  ] BasicVulkanTest.BasicVulkanSurface (256 ms)


After attempting to fix this by adding some queries during init, I get:

[ RUN      ] BasicVulkanTest.EmptyVulkanSwaps                                                                                           
[50548:50548:0507/140345.349779:1223916454084:ERROR:vulkan_surface.cc(130)]  surface_format_.format  44                                 
[50548:50548:0507/140345.349887:1223916454184:INFO:vulkan_surface.cc(141)] 2 queue families                                             
[50548:50548:0507/140345.413567:1223916517872:ERROR:vulkan_implementation.cc(26)] Object: 0x0 | vkQueueSubmit: required parameter pSubmits[0].pWaitDstStageMask specified as NULL. (null)                                                                                       
[50548:50548:0507/140345.413703:1223916517999:ERROR:vulkan_command_buffer.cc(105)] vkQueueSubmit() failed: -1000011001                  
../../gpu/vulkan/tests/vulkan_test.cc:34: Failure                                                                                       
Expected equality of these values:                                                                                                      
  gfx::SwapResult::SWAP_ACK                                                                                                             
    Which is: 4-byte object <00-00 00-00>                                                                                               
  surface->SwapBuffers()                                                                                                                
    Which is: 4-byte object <01-00 00-00>                                                                                               
Stack trace:                                                                                                                            
#0 0x000000f94b40 StackTraceGetter::CurrentStackTrace()                                                                                 
#1 0x000000fbd227 testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()                                                       
#2 0x000000fbc68d testing::internal::AssertHelper::operator=()                                                                          
#3 0x00000067cd11 gpu::BasicVulkanTest_EmptyVulkanSwaps_Test::TestBody()
#4 0x000000ff995e testing::internal::HandleSehExceptionsInMethodIfSupported<>()                                       
                                                 

After attempting to fix this by setting pWaitDstStageMask to VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, I get:

[ RUN      ] BasicVulkanTest.EmptyVulkanSwaps                                                         
[51744:51744:0507/140733.622125:1224144726430:ERROR:vulkan_surface.cc(130)]  surface_format_.format  44
[51744:51744:0507/140733.622238:1224144726535:INFO:vulkan_surface.cc(141)] 2 queue families
[51744:51744:0507/140733.713260:1224144817565:WARNING:vulkan_implementation.cc(39)] Object: 0xffffffffffffffff | vkQueuePresentKHR(): Ca
nnot read invalid swapchain image 0x13, please fill the memory before using.
../../gpu/vulkan/tests/vulkan_test.cc:34: Failure           
Expected equality of these values:                   
  gfx::SwapResult::SWAP_ACK                                   
    Which is: 4-byte object <00-00 00-00>   
  surface->SwapBuffers()                             
    Which is: 4-byte object <01-00 00-00>                
Stack trace:
#0 0x000000f94b40 StackTraceGetter::CurrentStackTrace()
#1 0x000000fbd227 testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#2 0x000000fbc68d testing::internal::AssertHelper::operator=()                                         
#3 0x00000067cd11 gpu::BasicVulkanTest_EmptyVulkanSwaps_Test::TestBody()                   
#4 0x000000ff995e testing::internal::HandleSehExceptionsInMethodIfSupported<>()
                                             
[51744:51744:0507/140733.726474:1224144830771:ERROR:vulkan_implementation.cc(26)] Object: 0x18 | Fence 0x18 is in use. The spec valid usage text states 'Each element of pFences must not be currently associated with any queue command that has not yet completed execution on
 that queue' (https://www.khronos.org/registry/vulkan/specs/1.0/html/vkspec.html#VUID-vkResetFences-pFences-01123)                      
[51744:51744:0507/140733.726533:1224144830829:ERROR:vulkan_command_buffer.cc(99)] vkResetFences() failed: -1000011001
../../gpu/vulkan/tests/vulkan_test.cc:38: Failure
Expected equality of these values:
  gfx::SwapResult::SWAP_ACK
    Which is: 4-byte object <00-00 00-00>
  surface->SwapBuffers()
    Which is: 4-byte object <01-00 00-00>
Stack trace:
#0 0x000000f94b40 StackTraceGetter::CurrentStackTrace()
#1 0x000000fbd227 testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#2 0x000000fbc68d testing::internal::AssertHelper::operator=()
#3 0x00000067ce18 gpu::BasicVulkanTest_EmptyVulkanSwaps_Test::TestBody()
#4 0x000000ff995e testing::internal::HandleSehExceptionsInMethodIfSupported<>()



driver info:
ii  libvulkan-dev:amd64                 1.1.70+dfsg1-1         amd64                  Vulkan loader library -- development files
ii  libvulkan1:amd64                    1.1.70+dfsg1-1         amd64                  Vulkan loader library
ii  nvidia-driver                       384.111-3              amd64                  NVIDIA metapackage

VkPhysicalDeviceProperties:
===========================
        apiVersion     = 0x400031  (1.0.49)
        driverVersion  = 1612431360 (0x601bc000)
        vendorID       = 0x10de
        deviceID       = 0x0ffe
        deviceType     = DISCRETE_GPU
        deviceName     = Quadro K2000