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Mitigate + instrument utility-VM boot-connect timeout (62543002) #3

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yeelam-gordon wants to merge 1 commit into from
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Mitigate + instrument utility-VM boot-connect timeout (62543002) #3

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2 changes: 1 addition & 1 deletion src/windows/common/WslCoreConfig.h
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Expand Up @@ -340,7 +340,7 @@ struct Config
int InstanceIdleTimeout = (15 * 1000);
std::filesystem::path DebugConsoleLogFile;
std::wstring VmSwitch;
int KernelBootTimeout = (30 * 1000);
int KernelBootTimeout = (90 * 1000);
int DistributionStartTimeout = (60 * 1000);
int MountDeviceTimeout = (5 * 1000);
bool EnableHostFileSystemAccess = true;
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6 changes: 5 additions & 1 deletion src/windows/service/exe/WslCoreVm.cpp
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Expand Up @@ -427,7 +427,11 @@ void WslCoreVm::Initialize(const GUID& VmId, const wil::shared_handle& UserToken
}

// Accept the connection from the Linux guest for notifications.
m_notifyChannel = AcceptConnection(m_vmConfig.KernelBootTimeout);
// Instrumented so slow/hung boots are attributed to this phase vs WaitForMiniInitConnect.
{
SlowOperationWatcher slowOperation{"WaitForNotifyChannelConnect"};
m_notifyChannel = AcceptConnection(m_vmConfig.KernelBootTimeout);
}

// Receive and parse the guest kernel version
{
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