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Date: Thu, 15 Jan 2026 20:14:48 +0900
To: cygwin AT cygwin DOT com
Subject: Re: cygwin 3.6.6-1
Message-Id: <20260115201448.2cb7b72e4dd0e26b5ad2c093@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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Hi Corinna,

I also could reproduce the issue.

On Thu, 15 Jan 2026 11:55:33 +0100
Corinna Vinschen wrote:
> On Jan 15 07:30, Marco Atzeri via Cygwin wrote:
> > I was able to reproduce the glitch
> > 
> > 1) REBOOT the Laptop
> > 
> > 2) Starting automatically the Services
> >    /usr/sbin/cygserver
> >    /usr/sbin/sshd -D
> > 
> > 3) open a Terminal
> 
> Through ssh or local?

Local. In the mintty terminal opened after
cygserver is started. In the mintty terminal opened
after cygserver is stopped, the gid is as expected.

The terminal already opened at the time cygserver is
started/stopped is not affected.

> > $ id
> > uid=197608(Marco) gid=197121(NESSUNO)
> > groups=197121(NESSUNO),545(Users),4(INTERACTIVE),66049(ACCESSO
> > CONSOLE),11(Authenticated Users),15(Questa organizzazione),113(Account
> > locale),4095(CurrentSession),66048(LOCALE),262154(Autenticazione
> > NTLM),401408(Livello obbligatorio medio)
> > Marco AT DESKTOP-L2T1NQ9:~
> > 
> > 4) Shutdown the services, and close all processes
> > 
> > 5) open a Terminal
> > 
> > $ id
> > uid=197608(Marco) gid=545(Users)
> > groups=545(Users),197121(NESSUNO),4(INTERACTIVE),66049(ACCESSO
> > CONSOLE),11(Authenticated Users),15(Questa organizzazione),113(Account
> > locale),4095(CurrentSession),66048(LOCALE),262154(Autenticazione
> > NTLM),401408(Livello obbligatorio medio)
> > 
> > 
> > Maybe Cygserver start earlier than some Windows process that should properly
> > identify the User ?
> 
> Maybe, but your user info is created from /etc/passwd, not from the
> local SAM or AD.  How would a service order problem influence the
> /etc/passwd info?
> 
> If you stop all Cygwin processes and restart cygserver, is the primary
> group still as expected?

No.

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

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