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Date: Mon, 2 Aug 2021 18:30:22 +0200
To: cygwin@cygwin.com
Subject: Re: Unable to start Cygwin64 terminal after password change
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From: Corinna Vinschen via Cygwin <cygwin@cygwin.com>
Reply-To: cygwin@cygwin.com
Cc: Corinna Vinschen <corinna-cygwin@cygwin.com>
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On Aug  2 15:12, Lavrentiev, Anton (NIH/NLM/NCBI) [C] via Cygwin wrote:
> id output, unlike when it posted broken in cygcheck's output as noted
> previously, seems unbroken, still with numeric user id:
> 
> uid=1050182(NCBI_NT+User(1606)) gid=1050182
> groups=1050182,1049089(NCBI_NT+Group(513)),555(Remote Desktop
> XYZ14),545(XYZ14),559(Performance Log XYZ14),14(REMOTE INTERACTIVE
> LOGON),4(INTERACTIVE),11(Authenticated XYZ14),15(This
> Organization),4095(CurrentSession),66048(LOCAL),1055696(XYZ0),1055814(XYZ1),1059871(XYZ2),1075845(XYZ3),1055694(XYZ4),1058328(XYZ5),1076430(XYZ6),1049837(XYZ7),1054487(XYZ8),1058337(XYZ9),1079855(XYZ10),1073550(XYZ11),1054490(XYZ12),1085362(XYZ13
> XYZ14),1055672(XYZ15),1055702(XYZ16),1053394(XYZ17),1055703(XYZ18),70145(XYZ19
> XYZ20 XYZ21 XYZ22),1083944(XYZ23),401408(XYZ24 XYZ25 XYZ26)
> 
> The corresponding id.strace file (the command was
> "C:\Cygwin64\bin>strace -m all -n -o id.strace id > id.out") is below.
> 
> Note that the automated sanitizing replaced "Users" with XYZ14 in
> there (as it did in the id output itself), but I could not find any
> numeric->group conversions in the strace output.  Noticed also that it
> was seemingly trying to connect to cygserver, not sure if that was
> successful, but cygserver is up and running:
> 
> C:\Cygwin64\bin>cygrunsrv -L
> cygserver
> 
> Like I also noted before, I rebooted my machine, so cygserver (if
> anything caching) had been restarted afresh after my password change.

Oops.  Running cygserver is counter-productive in this case.  The actual
fetching of user and group data will then occur inside cygserver and
nothing of import will show up in the trace output.

Can you please stop all Cygwin processes, including cygserver, then
open a Windows Command Prompt, and run

  cd C:\cygwin64\bin
  strace -o id.out id

again?


Thanks,
Corinna

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