[Samba] getpwuid failed for single user on single file share

[Arne Zachlod]

On 02/14/2018 09:35 PM, Rowland Penny via samba wrote:
> On Wed, 14 Feb 2018 20:43:20 +0100
> Arne Zachlod via samba <samba at lists.samba.org> wrote:
> 
> 
>>
>>> If you run 'smbclient -L adfs02.int.becit.de -U
>>> brokenuser at int.domain' on 'adfs02', does this work
>>
>> no, same error:
>> root at adfs02:~# smbclient -L adfs02.int.domain -U brokenuser at int.domain
>> Enter brokenuser at int.domain's password:
>> session setup failed: NT_STATUS_UNSUCCESSFUL
>>
>> but I forgot the most important part, in /var/log/samba/__1.log on
>> adfs02 it says:
>>
>> [2018/02/14 18:51:29.614082,  1]
>> ../source3/auth/token_util.c:430(add_local_groups)
>>   SID S-1-5-21-456140246-2344957557-3140247660-1174 -> getpwuid(10026)
>> failed
>> [2018/02/14 18:51:29.614128,  1]
>> ../source3/smbd/sesssetup.c:282(reply_sesssetup_and_X_spnego)
>>   Failed to generate session_info (user and group token) for session
>> setup: NT_STATUS_UNSUCCESSFUL
>>
>>> Have you tried changing the password again ?
>>
>> I don't know exactly what the user did, but I changed the password
>> afterwards (as in after the bug report) and it works on our other
>> fileshares, just not on adfs02.
>>
> 
> This sounds like a problem with something on the fileserver, have you
> tried running 'net cache flush' on the fileserver and/or restarting
> Samba and/or the fileserver ?

'net cache flush' helped, thanks a lot Rowland.

For future people who find this via google: I tried restarting both,
samba and the whole machine and it didn't help.

Arne