3866 panic in idm module
3867 stmfCreateLu failed: GUID_IN_USE
3868 iscsi target not accepting any new connections
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Jeremy Jones <jeremy@delphix.com>
Reviewed by: Eric Diven <eric.diven@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: T Nguyen <truongqnguien@gmail.com>
Approved by: Gordon Ross <gwr@nexenta.com>

*** 1258,1271 ****
  
                  if ((rc = ksocket_accept(so_svc->is_so,
                      (struct sockaddr *)&t_addr, &t_addrlen,
                      &new_so, CRED())) != 0) {
                          mutex_enter(&svc->is_mutex);
!                         if (rc == ECONNABORTED)
                                  continue;
-                         /* Connection problem */
-                         break;
                  }
                  /*
                   * Turn off SO_MAC_EXEMPT so future sobinds succeed
                   */
                  (void) ksocket_setsockopt(new_so, SOL_SOCKET, SO_MAC_EXEMPT,
--- 1258,1276 ----
  
                  if ((rc = ksocket_accept(so_svc->is_so,
                      (struct sockaddr *)&t_addr, &t_addrlen,
                      &new_so, CRED())) != 0) {
                          mutex_enter(&svc->is_mutex);
!                         if (rc != ECONNABORTED && rc != EINTR) {
!                                 IDM_SVC_LOG(CE_NOTE, "idm_so_svc_port_watcher:"
!                                     " ksocket_accept failed %d", rc);
!                         }
!                         /*
!                          * Unclean shutdown of this thread is not handled
!                          * wait for !is_thread_running.
!                          */
                          continue;
                  }
                  /*
                   * Turn off SO_MAC_EXEMPT so future sobinds succeed
                   */
                  (void) ksocket_setsockopt(new_so, SOL_SOCKET, SO_MAC_EXEMPT,