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Date: Thu, 27 Feb 2014 20:38:32 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Testers needed: New passwd/group handling in Cygwin
Message-ID: <20140227193832.GJ2246@calimero.vinschen.de>
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On Feb 27 20:06, Frank Fesevur wrote:
> 2014-02-13 15:38 GMT+01:00 Corinna Vinschen:
> > This is a pretty intrusive change, in need of some serious testing, so
> > I'd like to ask for volunteers.  The latest 2014-02-13 snapshot from
> > http://cygwin.com/snapshots/ contains the changes, including the latest
> > bugfix.
>=20
> I noticed another thing. Not sure if I would call it a problem, just
> an observation or if it is a feature.
>=20
> As said before, my laptop is part of a domain and I have moved the
> local passwd and group out of the way.
>=20
> When I am not connected to the domain (on the road) I get this error
> every time I start mintty: "id: kan geen naam vinden bij groeps-ID
> 1049089"

My dutch is a bit rusty but this text is obvious.  And unexpected.
What was supposed to happen is this:

- LookupAccountSid returns with error
  =3D=3D> Check if the local machine knows the domain name of the SID
  =3D=3D> Yes: Create a fake group name "DOMAIN+RID"
      No:  Create a fake group name "Unknown_Group+GID"

> I have an export LANG=3Den_US.utf8 in my .bashrc so since the text is in
> Dutch this happens before the .bashrc is executed. It basically
> translates to "id: unable to find name for group ID 1049089".
> When I start my vpn and re-open mintty the error doesn't show up
> anymore, even if I disconnect the vpn again.

At this point all the required information isd apparently cashed
by the local LSA.

> After rebooting the error message occurs again.

Cache is empty again.

> The reason for the message seems obvious. The process can't lookup the
> information. But it can be confusing to users to see an error at
> startup. Is it error useful to the user? Can I suppress this message?

No, because it comes from `id', not from Cygwin, and as I wrote
above, it's in fact unexpected and unwanted.  Could you try to
strace this scenario?  Maybe I can figure out why the account name
faking didn't work.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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