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more command doesn't advance to the next screen of text if I press spacebar #19640

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opened 2026-01-31 06:49:28 +00:00 by claunia · 7 comments
claunia commented 2026-01-31 06:49:28 +00:00
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Originally created by @adrastogi on GitHub (Apr 5, 2023).

Originally assigned to: @lhecker on GitHub.

Windows Terminal version

1.18.902.0

Windows build number

10.0.23432.1000

Other Software

I tested this in cmd and PowerShell (version info below):

Name              : Microsoft.PowerShell
Publisher         : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Architecture      : X64
ResourceId        :
Version           : 7.3.3.0

Steps to reproduce

  1. Within cmd.exe or pwsh.exe, and with a file that has at least a 'screenful' of text (e.g., call it foo.txt), try using more foo.txt to view the file's contents, one screenful at a time.
  2. After the first screenful is displayed, try pressing spacebar to advance to the next chunk.

Expected Behavior

The Terminal advances to the next page of text.

Actual Behavior

The Terminal remains at the current screen; I see the cursor flashing as normal. I also can't Ctrl+C out of this.

I don't see this behavior in retail Terminal (version 1.16.10262.0)- more behaves as I would expect there.

Originally created by @adrastogi on GitHub (Apr 5, 2023). Originally assigned to: @lhecker on GitHub. ### Windows Terminal version 1.18.902.0 ### Windows build number 10.0.23432.1000 ### Other Software I tested this in cmd and PowerShell (version info below): ``` Name : Microsoft.PowerShell Publisher : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US Architecture : X64 ResourceId : Version : 7.3.3.0 ``` ### Steps to reproduce 1. Within cmd.exe or pwsh.exe, and with a file that has at least a 'screenful' of text (e.g., call it `foo.txt`), try using `more foo.txt` to view the file's contents, one screenful at a time. 2. After the first screenful is displayed, try pressing spacebar to advance to the next chunk. ### Expected Behavior The Terminal advances to the next page of text. ### Actual Behavior The Terminal remains at the current screen; I see the cursor flashing as normal. I also can't Ctrl+C out of this. I don't see this behavior in retail Terminal (version 1.16.10262.0)- `more` behaves as I would expect there.
claunia commented 2026-01-31 06:49:30 +00:00
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@DHowett commented on GitHub (Apr 5, 2023):

Aahhhh. This could be an OpenConsole crash? Can you check to see whether there's still an OpenConsole instance running for that terminal tab?

(The renderer is still working, evidenced by the cursor flashing.)

/cc @lhecker for potential buffer impact

@DHowett commented on GitHub (Apr 5, 2023): Aahhhh. This could be an OpenConsole crash? Can you check to see whether there's still an OpenConsole instance running for that terminal tab? (The renderer is still working, evidenced by the cursor flashing.) /cc @lhecker for potential buffer impact
claunia commented 2026-01-31 06:49:30 +00:00
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@adrastogi commented on GitHub (Apr 5, 2023):

Thanks for taking a look! OpenConsole is still running per Task Manager.

@adrastogi commented on GitHub (Apr 5, 2023): Thanks for taking a look! OpenConsole is still running per Task Manager.
claunia commented 2026-01-31 06:49:30 +00:00
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@Treit commented on GitHub (Apr 5, 2023):

I am hitting this issue as well, 100% consistent repro (on 1.18.902.0.)

Pressing ctrl+break gets me 'unstuck' but all other key presses seem to be ignored.

@Treit commented on GitHub (Apr 5, 2023): I am hitting this issue as well, 100% consistent repro (on 1.18.902.0.) Pressing ctrl+break gets me 'unstuck' but all other key presses seem to be ignored.
claunia commented 2026-01-31 06:49:30 +00:00
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@zadjii-msft commented on GitHub (Apr 5, 2023):

I wonder if this is from the linefeed changes in #14874

@zadjii-msft commented on GitHub (Apr 5, 2023): I wonder if this is from the linefeed changes in #14874
claunia commented 2026-01-31 06:49:30 +00:00
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@DHowett commented on GitHub (Apr 5, 2023):

This also happens in OpenConsole...!

@DHowett commented on GitHub (Apr 5, 2023): This also happens in OpenConsole...!
claunia commented 2026-01-31 06:49:31 +00:00
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@DHowett commented on GitHub (Apr 5, 2023):

Broken in a build made on 2023 day 81.
Works on 2023 33.
Broken on 2023 62.

@DHowett commented on GitHub (Apr 5, 2023): Broken in a build made on 2023 day 81. Works on 2023 33. Broken on 2023 62.
claunia commented 2026-01-31 06:49:31 +00:00
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@DHowett commented on GitHub (Apr 5, 2023):

This regressed in #14745 (TranslateUnicodeToOem)

I bet it's reading input with ReadConsoleInputA! 😉

/cc @lhecker

@DHowett commented on GitHub (Apr 5, 2023): This regressed in #14745 (`TranslateUnicodeToOem`) I bet it's reading input with `ReadConsoleInputA`! 😉 /cc @lhecker
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Reference: starred/terminal#19640
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