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Terminal fails to refresh/display tabs after VM resumes from suspend #11060

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opened 2026-01-31 02:37:32 +00:00 by claunia · 5 comments
claunia commented 2026-01-31 02:37:32 +00:00
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Originally created by @strw22 on GitHub (Oct 17, 2020).

Environment

Windows build number: 10.0.19041.388
Windows Terminal version (if applicable): 1.3.2651.0

Any other software? 
Parallels Desktop 16.0.1 VM running Win10

Steps to reproduce

Launch Windows Terminal
Open a few tabs
Run any command
Suspend the VM: Go to Parallels Desktop (MacOS app), and choose Action -> Suspend
Resume the VM
The display does some sort of redraw
Windows Terminal renders the content in the active tab (good)
Entire titlebar/tabs region is gray (bug)

Typing into the content area doesn't result in a refresh.
Pressing Ctrl-Tab to switch tabs fixes the issue, but is annoying.
Resizing the Terminal window also fixes the issue.

Expected behavior

Tabs should refresh when VM resumes

Actual behavior

Entire tab area is gray.

Let me know if there is some tool I can run (I tried Spy++) to see what messages the Terminal window is receiving during suspend/resume.

Terminal-BlankTabArea
Originally created by @strw22 on GitHub (Oct 17, 2020). # Environment ```none Windows build number: 10.0.19041.388 Windows Terminal version (if applicable): 1.3.2651.0 Any other software? Parallels Desktop 16.0.1 VM running Win10 ``` # Steps to reproduce Launch Windows Terminal Open a few tabs Run any command Suspend the VM: Go to Parallels Desktop (MacOS app), and choose Action -> Suspend Resume the VM The display does some sort of redraw Windows Terminal renders the content in the active tab (good) Entire titlebar/tabs region is gray (bug) Typing into the content area doesn't result in a refresh. Pressing Ctrl-Tab to switch tabs fixes the issue, but is annoying. Resizing the Terminal window also fixes the issue. # Expected behavior Tabs should refresh when VM resumes # Actual behavior Entire tab area is gray. Let me know if there is some tool I can run (I tried Spy++) to see what messages the Terminal window is receiving during suspend/resume. <img width="950" alt="Terminal-BlankTabArea" src="https://user-images.githubusercontent.com/53409149/96353251-2013ed80-107f-11eb-8364-2ad1b66fd589.png">
claunia added the Resolution-ExternalNeeds-Tag-Fix labels 2026-01-31 02:37:32 +00:00
claunia commented 2026-01-31 02:37:33 +00:00
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@DHowett commented on GitHub (Oct 23, 2020):

Hmmmm. This seems like the inverse issue from #3446. Nobody on the team has ever seen either, which is somewhat alarming.

I'm concerned that this is a platform issue (in XAML islands.)

I wonder what's happening when Parallels resumes the VM.

@DHowett commented on GitHub (Oct 23, 2020): Hmmmm. This seems like the inverse issue from #3446. Nobody on the team has ever seen _either_, which is somewhat alarming. I'm concerned that this is a platform issue (in XAML islands.) I wonder what's happening when Parallels resumes the VM.
claunia commented 2026-01-31 02:37:33 +00:00
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@DHowett commented on GitHub (Oct 23, 2020):

This is gonna be a weird question, but if you run c:\windows\system32\PerceptionSimulation\PerceptionSimulationInput.exe and then suspend/resume... does its UI do the same thing as Terminal?

@DHowett commented on GitHub (Oct 23, 2020): This is gonna be a weird question, but if you run `c:\windows\system32\PerceptionSimulation\PerceptionSimulationInput.exe` and then suspend/resume... does its UI do the same thing as Terminal?
claunia commented 2026-01-31 02:37:34 +00:00
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@strw22 commented on GitHub (Oct 23, 2020):

Good call -- yes, I see a similar issue with PerceptionSimulationInput.exe -- the titlebar is ok, but the content is blank until I resize the window, or click on an invisible control.

FWIW, when Parallels resumes, the display goes blank for a moment, as if it's restarting the video card driver.

Parallels_Resume_ PerceptionSimulationInput exe
@strw22 commented on GitHub (Oct 23, 2020): Good call -- yes, I see a similar issue with PerceptionSimulationInput.exe -- the titlebar is ok, but the content is blank until I resize the window, or click on an invisible control. FWIW, when Parallels resumes, the display goes blank for a moment, as if it's restarting the video card driver. <img width="592" alt="Parallels_Resume_ PerceptionSimulationInput exe" src="https://user-images.githubusercontent.com/53409149/96960254-c8c6b080-14b6-11eb-8451-19253da545d3.png">
claunia commented 2026-01-31 02:37:34 +00:00
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@DHowett commented on GitHub (Oct 23, 2020):

Thanks! I filed this upstream on XAML!

/dup https://github.com/microsoft/microsoft-ui-xaml/issues/3472

@DHowett commented on GitHub (Oct 23, 2020): Thanks! I filed this upstream on XAML! /dup https://github.com/microsoft/microsoft-ui-xaml/issues/3472
claunia commented 2026-01-31 02:37:34 +00:00
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@ghost commented on GitHub (Oct 23, 2020):

Hi! We've identified this issue as a duplicate of one that exists on somebody else's Issue Tracker. Please make sure you subscribe to the referenced external issue for future updates. Thanks for your report!

@ghost commented on GitHub (Oct 23, 2020): Hi! We've identified this issue as a duplicate of one that exists on somebody else's Issue Tracker. Please make sure you subscribe to the referenced external issue for future updates. Thanks for your report!
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Reference: starred/terminal#11060
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