On Fri, Feb 12, 2021 at 10:43:18PM -0000, Mike Conner via FreeIPA-users wrote:
> More logs. This is from another broken client during an attempt to login as 
> an AD user:
> ****
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sss_domain_get_state] 
> (0x1000): Domain domain.edu is Active
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] 
> [sdap_id_op_connect_step] (0x4000): reusing cached connection
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] 
> [ipa_s2n_get_acct_info_send] (0x0400): Sending request_type: 
> [REQ_FULL_WITH_MEMBERS] for trust user 
> [S-1-5-21-71189414-1642862984-1097818727-22197] to IPA server
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [ipa_s2n_exop_send] 
> (0x0400): Executing extended operation
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [ipa_s2n_exop_send] 
> (0x2000): ldap_extended_operation sent, msgid = 16
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_op_add] (0x2000): 
> New operation 16 timeout 6
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_result] 
> (0x2000): Trace: sh[0x55eb482586a0], connected[1], ops[0x55eb482c6f10], 
> ldap[0x55eb48274a50]
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_result] 
> (0x2000): Trace: end of ldap_result list
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_result] 
> (0x2000): Trace: sh[0x55eb482586a0], connected[1], ops[0x55eb482c6f10], 
> ldap[0x55eb48274a50]
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_message] 
> (0x4000): Message type: [LDAP_RES_EXTENDED]
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [ipa_s2n_exop_done] 
> (0x0040): ldap_extended_operation result: Operations error(1), Failed to 
> split fully qualified name.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [ipa_s2n_exop_done] 
> (0x0040): ldap_extended_operation failed, server logs might contain more 
> details.

Hi,

the client sends a lookup request for the SID
S-1-5-21-71189414-1642862984-1097818727-22197 to the server but on the
server side a user or a group which are processed during this request do
not have an '@' character in the name. Did you modify sssd.conf on the
server to return only short names? If that's not the case do you know if
the AD object with SID S-1-5-21-71189414-1642862984-1097818727-22197 has
some '@' characters in the name? And which version of IPA are you using
on the IPA servers?

bye,
Sumit

> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_op_destructor] 
> (0x2000): Operation 16 finished
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [ipa_s2n_get_user_done] 
> (0x0040): s2n exop request failed.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_id_op_done] 
> (0x4000): releasing operation connection
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] 
> [ipa_subdomain_account_done] (0x0040): ipa_get_*_acct request failed: 
> [1432158229]: Network I/O Error.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_id_op_destroy] 
> (0x4000): releasing operation connection
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [dp_req_done] (0x0400): 
> DP Request [Account #1]: Request handler finished [0]: Success
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [_dp_req_recv] 
> (0x0400): DP Request [Account #1]: Receiving request data.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] 
> [dp_req_reply_list_success] (0x0400): DP Request [Account #1]: Finished. 
> Success.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [dp_req_reply_std] 
> (0x1000): DP Request [Account #1]: Returning [Internal Error]: 
> 3,1432158229,Network I/O Error
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] 
> [dp_table_value_destructor] (0x0400): Removing 
> [0:1:0x0001:1:V:domain.edu:[email protected]] from reply table
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [dp_req_destructor] 
> (0x0400): DP Request [Account #1]: Request removed.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [dp_req_destructor] 
> (0x0400): Number of active DP request: 0
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_result] 
> (0x2000): Trace: sh[0x55eb482586a0], connected[1], ops[(nil)], 
> ldap[0x55eb48274a50]
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sdap_process_result] 
> (0x2000): Trace: end of ldap_result list
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sbus_dispatch] 
> (0x4000): dbus conn: 0x55eb482d0940
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sbus_dispatch] 
> (0x4000): Dispatching.
> (Fri Feb 12 16:35:20 2021) [sssd[be[ipa.domain.edu]]] [sbus_message_handler] 
> (0x2000): Received SBUS method 
> org.freedesktop.sssd.dataprovider.getAccountInfo on path 
> /org/freedesktop/sssd/dataprovider
> ****
> 
> The `Returning [Internal Error]: 3,1432158229,Network I/O Error` part sticks 
> out.
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