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[~100% IMPACT] When you close a powershell tab, powershell *crashes* #1773

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opened 2026-01-30 22:36:06 +00:00 by claunia · 3 comments
claunia commented 2026-01-30 22:36:06 +00:00
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Originally created by @DHowett-MSFT on GitHub (Jun 20, 2019).

Powershell doesn't like its conhost being terminated, so it crashes.
The job object change made it more likely that we terminate its conhost without allowing it to exit normally. Yeah.

Originally created by @DHowett-MSFT on GitHub (Jun 20, 2019). Powershell doesn't like its conhost being terminated, so it crashes. The job object change made it more likely that we terminate its conhost without allowing it to exit normally. Yeah.
claunia commented 2026-01-30 22:36:07 +00:00
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@carlos-zamora commented on GitHub (Jun 20, 2019):

Performed a git bisect. Issue caused by PR #970.

ConhostConnection.cpp's ConhostConnection::Close() after line 165:

if (!_closing.exchange(true))
{
    _hJob.reset(); // This will terminate the process _piConhost is holding.
    // POWERSHELL CRASHES AT THIS MOMENT
    _piConhost.reset();

    _inPipe.reset();
    _outPipe.reset();
    _signalPipe.reset();

    WaitForSingleObject(_hOutputThread.get(), INFINITE);
    _hOutputThread.reset();
}
@carlos-zamora commented on GitHub (Jun 20, 2019): Performed a `git bisect`. Issue caused by PR #970. ConhostConnection.cpp's `ConhostConnection::Close()` after line 165: ```C++ if (!_closing.exchange(true)) { _hJob.reset(); // This will terminate the process _piConhost is holding. // POWERSHELL CRASHES AT THIS MOMENT _piConhost.reset(); _inPipe.reset(); _outPipe.reset(); _signalPipe.reset(); WaitForSingleObject(_hOutputThread.get(), INFINITE); _hOutputThread.reset(); } ```
claunia commented 2026-01-30 22:36:07 +00:00
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@DHowett-MSFT commented on GitHub (Jun 20, 2019):

Yep. Powershell doesn’t like its console host being terminated without it. I’m working on a fix for process rundown.

@DHowett-MSFT commented on GitHub (Jun 20, 2019): Yep. Powershell doesn’t like its console host being terminated without it. I’m working on a fix for process rundown.
claunia commented 2026-01-30 22:36:07 +00:00
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@DHowett-MSFT commented on GitHub (Jun 20, 2019):

Of note: CMD doesn’t care. Technically this is a powershell issue. We should still not break existing workflows :)

@DHowett-MSFT commented on GitHub (Jun 20, 2019): Of note: CMD doesn’t care. Technically this is a powershell issue. We should still not break existing workflows :)
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Reference: starred/terminal#1773
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