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Date: Wed, 24 Jun 2026 07:37:55 +0900
To: cygwin AT cygwin DOT com
Subject: Re: (Remote) X11 xterm/konsole hang with non-cygwin processes...
Message-Id: <20260624073755.bc661d94b5e1c8bec64ab77a@nifty.ne.jp>
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From: Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Tue, 23 Jun 2026 17:54:24 +0200
Roland Mainz via Cygwin <cygwin AT cygwin DOT com> wrote:
> Hi!
> 
> ----
> 
> Today I've updated my Cygwin installation on the development machines
> to cygwin 3.7.0-0.527.gd21aaac37996.x86_64 (previous version was
> around ~~four months old 3.7.0), and was immediately greeted with a
> hang when trying to build run a powershell command.
> Note that $DISPLAY points to a remote machine. Doing  the same with a
> local mintty.exe sesstion does NOT trigger the hang.
> 
> Steps to reproduce:
> $ uname -a
> CYGWIN_NT-10.0-19045 winbloodbathmonster02
> 3.7.0-0.527.gd21aaac37996.x86_64 2026-06-23 01:36 UTC x86_64 Cygwin
> 
> # start xterm or konsole, and then run:
> $ export PATH="/cygdrive/c/Program Files (x86)/Microsoft Visual
> Studio/2019/Community/MSBuild/Current/Bin/:$PATH"
> CERTIFICATE_THUMBPRINT="$(powershell -c 'Get-ChildItem -Path
> Cert:\CurrentUser\My | Where-Object {$_.Subject -like "*WDKTestCert*"}
> | Select-Object -ExpandProperty Thumbprint')"

Thanks for the report. I could reproduce the issue with
3.7.0-0.527.gd21aaac37996.x86_64.

However, I could not with the local build with the patches:
https://cygwin.com/pipermail/cygwin-patches/2026q2/015092.html

So I think it will be fixed soon.

Thanks!

--
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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