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List:       sssd-users
Subject:    =?utf-8?q?=5BSSSD-users=5D?= Re: [resolv_gethostbyname_done] (0x0040): querying hosts database faile
From:       Sumit Bose <sbose () redhat ! com>
Date:       2021-04-19 7:59:45
Message-ID: YH04cYiuSVcy6myR () sbose ! users ! ipa ! redhat ! com
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Am Tue, Apr 13, 2021 at 03:27:10PM -0000 schrieb Sylvain CROUET:
> Hi,
> 
> I joined a Ubuntu 20.04 server to a Windows domain, but I am stuck with the \
> following errors in the /var/log/sssd_domain.log file: (Tue Apr 13 15:07:38 2021) \
> [sssd[be[my_domain]]] [resolv_gethostbyname_done] (0x0040): querying hosts database \
> failed [5]: Input/output error (Tue Apr 13 15:07:38 2021) [sssd[be[my_domain]]] \
> [nsupdate_get_addrs_done] (0x0040): Could not resolve address for this machine, \
> error [5]: Input/output error, resolver returned: [11]: Could not contact DNS \
> servers (Tue Apr 13 15:07:38 2021) [sssd[be[my_domain]]] [nsupdate_get_addrs_done] \
> (0x0040): nsupdate_get_addrs_done failed: [5]: [Input/output error] (Tue Apr 13 \
> 15:07:38 2021) [sssd[be[my_domain]]] [sdap_dyndns_dns_addrs_done] (0x0040): Could \
> not receive list of current addresses [5]: Input/output error (Tue Apr 13 15:07:38 \
> 2021) [sssd[be[my_domain]]] [ad_dyndns_sdap_update_done] (0x0040): Dynamic DNS \
> update failed [5]: Input/output error (Tue Apr 13 15:07:38 2021) \
> [sssd[be[my_domain]]] [be_ptask_done] (0x0040): Task [Dyndns update]: failed with \
> [5]: Input/output error (Tue Apr 13 15:07:38 2021) [sssd[be[my_domain]]] \
> [sdap_sudo_load_sudoers_done] (0x0040): Received 0 sudo rules

Hi,

the sequence above is part of the dynamic DNS update where SSSD tries to
figure out if there are already DNS entries for the host. Can you send a
bit more log context, especially what happens before?

Maybe there is a timeout, by default SSSD waits 3s for a reply.

bye,
Sumit

> 
> I checked the outputs of 'hostname' and 'hostname --fqdn' and they are correct. \
> 'nslookup' resolves correctly the name of any other Windows server within the \
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