From mash_browser_tests
We are apparently trying to access classic ash shell and looking for a non-initialized ozone, from within the browser process.
[30481:30481:0621/151036.452746:FATAL:ozone_platform.cc(69)] Check failed: instance_. OzonePlatform is not initialized
#0 0x000003784fbc base::debug::StackTrace::StackTrace()
#1 0x00000379dfe1 logging::LogMessage::~LogMessage()
#2 0x000001eab2a2 ui::OzonePlatform::GetInstance()
#3 0x0000064bfcce ash::ShellPortClassic::CreateNativeDisplayDelegate()
#4 0x0000064fb5e9 ash::Shell::Init()
#5 0x0000064faf09 ash::Shell::CreateInstance()
#6 0x0000069b70dd AshInit::AshInit()
#7 0x0000067b7030 ChromeBrowserMainExtraPartsAsh::PreProfileInit()
#8 0x0000038b667a ChromeBrowserMainParts::PreProfileInit()
#9 0x0000038b76d0 ChromeBrowserMainPartsLinux::PreProfileInit()
#10 0x000001953433 chromeos::ChromeBrowserMainPartsChromeos::PreProfileInit()
#11 0x0000038b58fa ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#12 0x0000038b527d ChromeBrowserMainParts::PreMainMessageLoopRun()
#13 0x000001953059 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#14 0x0000022a2d01 content::BrowserMainLoop::PreMainMessageLoopRun()
#15 0x00000268f917 content::StartupTaskRunner::RunAllTasksNow()
#16 0x0000022a1285 content::BrowserMainLoop::CreateStartupTasks()
#17 0x0000022a55e2 content::BrowserMainRunnerImpl::Initialize()
#18 0x00000229e847 content::BrowserMain()
#19 0x00000372a72c content::ContentMainRunnerImpl::Run()
#20 0x000005678d84 service_manager::Main()
#21 0x000003729564 content::ContentMain()
#22 0x000003e31e72 content::BrowserTestBase::SetUp()
#23 0x0000038740d3 InProcessBrowserTest::SetUp()
#24 0x000001c57061 testing::Test::Run()
#25 0x000001c57b70 testing::TestInfo::Run()
#26 0x000001c580a7 testing::TestCase::Run()
#27 0x000001c5f247 testing::internal::UnitTestImpl::RunAllTests()
#28 0x000001c5eecb testing::UnitTest::Run()
#29 0x0000038883e6 base::TestSuite::Run()
#30 0x000003777b93 ChromeTestSuiteRunner::RunTestSuite()
#31 0x000003e655a2 content::LaunchTests()
#32 0x000003775793 main
#33 0x7f6e0a7d7f45 __libc_start_main
#34 0x00000061d89e <unknown>
[30481:30481:0621/151036.452746:FATAL:ozone_platform.cc(69)] Check failed: instance_. OzonePlatform is not initialized
#0 0x000003784fbc base::debug::StackTrace::StackTrace()
#1 0x00000379dfe1 logging::LogMessage::~LogMessage()
#2 0x000001eab2a2 ui::OzonePlatform::GetInstance()
#3 0x0000064bfcce ash::ShellPortClassic::CreateNativeDisplayDelegate()
#4 0x0000064fb5e9 ash::Shell::Init()
#5 0x0000064faf09 ash::Shell::CreateInstance()
#6 0x0000069b70dd AshInit::AshInit()
#7 0x0000067b7030 ChromeBrowserMainExtraPartsAsh::PreProfileInit()
#8 0x0000038b667a ChromeBrowserMainParts::PreProfileInit()
#9 0x0000038b76d0 ChromeBrowserMainPartsLinux::PreProfileInit()
#10 0x000001953433 chromeos::ChromeBrowserMainPartsChromeos::PreProfileInit()
#11 0x0000038b58fa ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#12 0x0000038b527d ChromeBrowserMainParts::PreMainMessageLoopRun()
#13 0x000001953059 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#14 0x0000022a2d01 content::BrowserMainLoop::PreMainMessageLoopRun()
#15 0x00000268f917 content::StartupTaskRunner::RunAllTasksNow()
#16 0x0000022a1285 content::BrowserMainLoop::CreateStartupTasks()
#17 0x0000022a55e2 content::BrowserMainRunnerImpl::Initialize()
#18 0x00000229e847 content::BrowserMain()
#19 0x00000372a72c content::ContentMainRunnerImpl::Run()
#20 0x000005678d84 service_manager::Main()
#21 0x000003729564 content::ContentMain()
#22 0x000003e31e72 content::BrowserTestBase::SetUp()
#23 0x0000038740d3 InProcessBrowserTest::SetUp()
#24 0x000001c57061 testing::Test::Run()
#25 0x000001c57b70 testing::TestInfo::Run()
#26 0x000001c580a7 testing::TestCase::Run()
#27 0x000001c5f247 testing::internal::UnitTestImpl::RunAllTests()
#28 0x000001c5eecb testing::UnitTest::Run()
#29 0x0000038883e6 base::TestSuite::Run()
#30 0x000003777b93 ChromeTestSuiteRunner::RunTestSuite()
#31 0x000003e655a2 content::LaunchTests()
#32 0x000003775793 main
#33 0x7f6e0a7d7f45 __libc_start_main
#34 0x00000061d89e <unknown>
Comment 1 by jonr...@chromium.org
, Jun 23 2017