BindWallpaperRequestOnMainThread Crashes Mash_Browser_Tests |
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Issue descriptionAnother service that looks like its trying to connect after ash has been torn down. [0501/090708.227802:FATAL:shell.cc(228)] Check failed: instance_. #0 0x00000366aa7c base::debug::StackTrace::StackTrace() #1 0x0000036832a1 logging::LogMessage::~LogMessage() #2 0x000006027fe3 ash::Shell::Get() #3 0x00000600b5de ash::(anonymous namespace)::BindWallpaperRequestOnMainThread() #4 0x0000022ef0fd _ZN4base8internal7InvokerINS0_9BindStateIPFvN4mojo16InterfaceRequestIN5blink5mojom19KeyboardLockServiceEEEEJEEES9_E3RunEPNS0_13BindStateBaseEOS8_ #5 0x0000022ef4dc service_manager::internal::CallbackBinder<>::RunCallbackOnTaskRunner() #6 0x00000112bc0c _ZN4base8internal7InvokerINS0_9BindStateIPFvRKNS_8CallbackIFvN4mojo16InterfaceRequestIN6device5mojom17UsbChooserServiceEEEELNS0_8CopyModeE1ELNS0_10RepeatModeE1EEES9_EJSD_NS0_13PassedWrapperIS9_EEEEEFvvEE3RunEPNS0_13BindStateBaseE #7 0x0000006c8059 _ZNO4base8CallbackIFvvELNS_8internal8CopyModeE1ELNS2_10RepeatModeE1EE3RunEv #8 0x000003719e54 base::debug::TaskAnnotator::RunTask() #9 0x00000368a8d9 base::MessageLoop::RunTask() #10 0x00000368ab6b base::MessageLoop::DeferOrRunPendingTask() #11 0x00000368b01d base::MessageLoop::DoWork() #12 0x00000368d799 base::MessagePumpLibevent::Run() #13 0x00000368a661 base::MessageLoop::RunHandler() #14 0x0000036b3339 base::RunLoop::Run() #15 0x00000365cb68 (anonymous namespace)::StartEmbeddedService() #16 0x0000022ef0fd _ZN4base8internal7InvokerINS0_9BindStateIPFvN4mojo16InterfaceRequestIN5blink5mojom19KeyboardLockServiceEEEEJEEES9_E3RunEPNS0_13BindStateBaseEOS8_ #17 0x00000200dcce service_manager::RunStandaloneService() #18 0x00000365c82d RunMashBrowserTests() #19 0x00000365c6a7 main #20 0x7f2cff545f45 __libc_start_main #21 0x00000061a9de <unknown>
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Aug 30 2017
Sure. What's the repro here? Any particular test I need to run, or bot I need to look at?
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Aug 30 2017
Sadly no, this was a super flaky error I saw in mash_browser_tests. Though looking at the last dozen runs I can't see it. So I'm not sure if the timings have just changed, or if the root cause has been fixed. It looked like a request for the BindWallpaper was arriving after ash had torn down the Shell, but before the process was fully shut.
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Aug 30 2017
OK, so you saw this on the mojo FYI bot?
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Aug 30 2017
I had seen it locally first, but also on the Mojo FYI bot
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Nov 2 2017
I just ran all browser_tests --mash on the bot and I don't see this happening. I'll reopen if it comes back.
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Feb 26 2018
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Comment 1 by jonr...@chromium.org
, Aug 30 2017Status: Assigned (was: Untriaged)