[Samba] Odd and repeating "error" being logged

[Rowland penny]

On 01/06/2021 20:06, Karl Denninger via samba wrote:
> Context: FreeBSD 12.2-STABLE, Samba 4.13.8
>
> Samba is running as a Workgroup server and running perfectly well -- 
> but in the system log I keep getting this sort of error every 5 
> minutes on the button:
>
> Jun  1 14:47:44 NewFS winbindd[64462]: [2021/06/01 14:47:44.823191,  
> 0] ../../source3/rpc_server/rpc_ncacn_np.c:456(rpcint_dispatch)
> Jun  1 14:47:44 NewFS winbindd[64462]:   rpcint_dispatch: DCE/RPC 
> fault in call lsarpc:32 - DCERPC_NCA_S_OP_RNG_ERROR
> Jun  1 14:47:44 NewFS winbindd[64462]: [2021/06/01 14:47:44.823963,  
> 0] ../../source3/rpc_server/rpc_ncacn_np.c:456(rpcint_dispatch)
> Jun  1 14:47:44 NewFS winbindd[64462]:   rpcint_dispatch: DCE/RPC 
> fault in call lsarpc:32 - DCERPC_NCA_S_OP_RNG_ERROR
> Jun  1 14:52:44 NewFS winbindd[64462]: [2021/06/01 14:52:44.851005,  
> 0] ../../source3/rpc_server/rpc_ncacn_np.c:456(rpcint_dispatch)
> Jun  1 14:52:44 NewFS winbindd[64462]:   rpcint_dispatch: DCE/RPC 
> fault in call lsarpc:32 - DCERPC_NCA_S_OP_RNG_ERROR
> Jun  1 14:52:44 NewFS winbindd[64462]: [2021/06/01 14:52:44.851713,  
> 0] ../../source3/rpc_server/rpc_ncacn_np.c:456(rpcint_dispatch)
> Jun  1 14:52:44 NewFS winbindd[64462]:   rpcint_dispatch: DCE/RPC 
> fault in call lsarpc:32 - DCERPC_NCA_S_OP_RNG_ERROR
>
> Googling around has not helped with finding the cause.... This is an 
> "isolated" machine in that it does not have an LDAP server or other 
> Windows Domain Controller on the network it is attached to; user 
> authentication is done via local smbpasswd.  Basically, a very simple 
> local setup that provides file and printer service for a handful of 
> Windows 10 machines.  It is running perfectly well without problems; 
> the client machines have no issues with connectivity or file service.
>
> From the error I would surmise that it's upset about a cryptographic 
> seed in some form, but where and why I don't know.
>
> Any idea what's going on here?


If you are running Samba in a workgroup, then you are also probably 
running it as a standalone server, if so, then there is a simple fix, 
turn winbind off.

Though it might be an idea to post your smb.conf to confirm just how you 
are running Samba.

Rowland