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From: Tomas Jura <tomas DOT jura1 AT gmail DOT com>
Subject: Re: git clone fails with error chmod on config.lock failed: Invalid argument
To: cygwin AT cygwin DOT com
References: <20160128172322 DOT GC18626 AT calimero DOT vinschen DOT de> <5715DCB9 DOT 7060401 AT gmail DOT com> <20160419081107 DOT GC26794 AT calimero DOT vinschen DOT de> <57161490 DOT 1000301 AT gmail DOT com> <20160419133937 DOT GF26794 AT calimero DOT vinschen DOT de> <57177EB4 DOT 6050902 AT gmail DOT com> <20160420142545 DOT GB25668 AT calimero DOT vinschen DOT de>
Message-ID: <57187E22.5070902@gmail.com>
Date: Thu, 21 Apr 2016 09:15:46 +0200
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On 04/20/2016 04:25 PM, Corinna Vinschen wrote:
> On Apr 20 15:05, Tomas Jura wrote:
>> On 04/19/2016 03:39 PM, Corinna Vinschen wrote:
>>>> BTW: My machine is Windows Server 2008, yesterday I also run the Windows
>>>> update procedure before I notified the chmod error.
>>>> A months ago, I had to migrate to the new AD account. The cygwin was
>>>> installed using my old account, which is deleted now. Is it possible that
>>>> the query to AD runs under my old account?
>>> That's a good question.  The problem is that I can't see *why* the
>>> requests fail.  This bugs me since failing LookupAccountSid calls should
>>> result in a debug message when running strace.
>>>
>>> Do you have changed your /etc/nsswitch.conf file by any chance?
>> No I did not. All lines are commented out there.
>>
>>> Would you mind to create strace output of the command `id'?
>> See attachment
> Thanks.  It's not helpful, unfortunately.  The only hint that something
> is going wrong is the same message as with chmod:
>
>    internal_getlogin: group not found in group DB
>
> There's no other strace message even remotely related to account mapping.
> I don't grok that.  There should really be some error message :(
>
> Btw., what's the output of `id'?
>
> I'm wondering... is it possible that LDAP access to your DCs is
> restricted?
>
> Also, can you change /etc/nsswitch.conf like this:
>
>    db_enum: cache local primary
>
> (seehttps://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch-enum)
>
> exit and restart your shell and call `getent group'?  What does it
> print?  Are the AD accounts enumerated and what info is printed for
> them?  Examples are sufficent, I don't need your entire AD DB :)
>
> Also, what does `getent passwd $USER' print?
>
>
> Corinna
>
Hi

Trying to modify the /etc/nsswitch.conf , I found that I can't write it 
! The file is writable only by the user which created it and which not 
exists any more (see above my story). I changed owner and access rights 
for /etc/nsswitch.conf and whole /var directory tree (also /var/cache).  
And it's started working!

Then I removed the modifications of the /etc/nsswitch.conf (all lines 
commented)  and it works too. It seems that the problem is related to 
file access rights to /var.

Tomas


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