hey guys,
 
today sssd seems stop working and seems i'm not able to recover it
the relevant portion of the log is:
 
looks like some Kerberos argument errors
this is on RHEL7 and sssd package 1.12.0
 
Thanks
 
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [write_pipe_handler] (0x0400): All data has been sent!
Invalid option --debug-to-stderr: unknown option
Usage: krb5_child [-?] [-?|--help] [--usage] [-d|--debug-level INT]
        [--debug-timestamps=INT] [--debug-microseconds=INT] [--debug-fd=INT]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [read_pipe_handler] (0x0400): EOF received, client finished
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [parse_krb5_child_response] (0x0020): message too short.
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [krb5_auth_done] (0x0040): Could not parse child response [22]: Invalid argument
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [check_wait_queue] (0x1000): Wait queue for user [useracct] is empty.
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [be_pam_handler_callback] (0x0100): Backend returned: (0, 4, <NULL>) [Success]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [be_pam_handler_callback] (0x0100): Sending result [4][domain.forest.com]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [be_pam_handler_callback] (0x0100): Sent result [4][domain.forest.com]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [child_sig_handler] (0x1000): Waiting for child [12532].
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [child_sig_handler] (0x0020): child [12532] failed with status [255].
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [sbus_remove_timeout] (0x2000): 0x7fbd48fd6c60
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [sbus_dispatch] (0x4000): dbus conn: 0x7fbd48fd2fe0
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [sbus_dispatch] (0x4000): Dispatching.
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [pam_dp_process_reply] (0x0100): received: [4][domain.forest.com]
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [pam_reply] (0x0200): pam_reply called with result [4].
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [pam_reply] (0x0200): blen: 30
(Wed Feb  4 15:01:37 2015) [sssd[pam]] [reset_idle_timer] (0x4000): Idle timer re-set for client [0x7fbd48fdca00][17]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [fo_resolve_service_timeout] (0x0080): Service resolving timeout reached
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [sdap_handle_release] (0x2000): Trace: sh[0x7f49bd834e50], connected[0], ops[(nil)], ldap[(nil)], destructor_lock[0], release_memory[0]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [be_resolve_server_done] (0x1000): Server resolution failed: 14
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [sdap_cli_kinit_done] (0x0400): Cannot get a TGT: ret [1432158221](Network I/O Error)
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [be_fo_set_port_status] (0x0040): The server 0x7f49bd834700 is not valid anymore, cannot set its status
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [sdap_handle_release] (0x2000): Trace: sh[0x7f49bd82f2a0], connected[1], ops[(nil)], ldap[0x7f49bd8330d0], destructor_lock[0], release_memory[0]
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [remove_connection_callback] (0x4000): Successfully removed connection callback.
(Wed Feb  4 15:01:37 2015) [sssd[be[domain.forest.com]]] [sdap_id_op_connect_done] (0x4000): attempting failover retry on op #1