Hi Nigel,

Thanks for the links... I followed the instructions to capture the DTrace 
output.
I'm attaching it here in the hopes that you or Jim might be so kind as to 
decipher/interpret it for me. :-)

Frank
-- 
This message posted from opensolaris.org
CALL(args)               = return
  -> canonicalize_sockaddr(0xFFFFFD7FFE62EE90, 0x0, 0x0)                
  <- canonicalize_sockaddr = 78
  -> canonicalize_sockaddr(0xFFFFFD7FFE62EE90, 0xFFFFFD7FFE62EE90, 
0xFFFFFF01D02ADE60)          
  <- canonicalize_sockaddr = 78
          -> queue_message_free(0x4A4F68, 0x1000000, 0x0)               
      <- queue_message_free = 23
      -> queue_message_get(0x49FF60, 0x1000000, 0x0)            
            <- queue_message_get = 172
          -> queue_message_free(0x4A4F08, 0x1000000, 0x0)               
        <- queue_message_free = 23
      -> queue_message_get(0x49FF60, 0x1000000, 0x0)            
            <- queue_message_get = 172
          -> queue_message_free(0x4A4ED8, 0x1000000, 0x0)               
        <- queue_message_free = 23
      -> queue_message_get(0x49FF60, 0x1000000, 0x0)            
          -> conn_poller(0x4D1C50, 0x1000000, 0x0)              
            -> util_title(0x49FF60, 0x2, 0x0)           
              -> queue_prt(0x49FF60, 0x2, 0x4676B8)             
                -> queue_str(0x49FF60, 0x2, 0x1B)               
                  -> queue_message_set(0x49FF60, 0x2, 0x1B)             
                  <- queue_message_set = 214
                <- queue_str = 364
              <- queue_prt = 204
            <- util_title = 187
            -> conn_state(0x4D1C50, 0x1, 0xFFFFFF01E9C4C060)            
              -> state_to_str(0x1, 0x0, 0x0)            
                <- state_to_str = 91
                -> event_to_str(0x1, 0x0, 0x0)          
              <- event_to_str = 166
              -> state_to_str(0x2, 0x0, 0x0)            
              <- state_to_str = 91
              -> queue_prt(0x49FF60, 0x4, 0x464E60)             
                -> queue_str(0x49FF60, 0x4, 0x1B)               
                  -> queue_message_set(0x49FF60, 0x4, 0x1B)             
                  <- queue_message_set = 214
              <- queue_str = 364
              <- queue_prt = 204
          <- conn_state = 935
            -> iscsi_handle_login_pkt(0x4D1C50, 0x1000000, 0x0)         
              -> session_alloc(0x4D1C50, 0xFFFFFD7FFDEFFDF8, 
0xFFFFFF01E9C4C060)                
                -> queue_alloc(0x4D6098, 0x0, 0x0)              
                <- queue_alloc = 126
                -> queue_alloc(0x49FC08, 0x0, 0x0)              
                <- queue_alloc = 126
                -> sess_set_auth(0x4D6010, 0x0, 0x0)            
                  -> iscsiAuthClientInit(0x2, 0x5, 0x4D7770)            
                    -> iscsiAuthClientCheckNodeType(0x2, 0x0, 0x0)              
                    <- iscsiAuthClientCheckNodeType = 16
                    -> iscsiAuthClientSetAuthMethodList(0x4D7098, 0x2, 
0xFFFFFD7FFDEFFCF8)              
                      -> iscsiAuthClientSetOptionList(0x4D7098, 0x2, 
0xFFFFFD7FFDEFFCF8)                
                        -> iscsiAuthClientCheckAuthMethodOption(0x2, 0x2, 
0xFFFFFD7FFDEFFCF8)           
                        <- iscsiAuthClientCheckAuthMethodOption = 16
                        -> iscsiAuthClientCheckAuthMethodOption(0x1, 0x2, 
0xFFFFFD7FFDEFFCF8)           
                        <- iscsiAuthClientCheckAuthMethodOption = 16
                        -> iscsiAuthClientCheckAuthMethodList(0x2, 
0xFFFFFD7FFDEFFCF8, 0xFFFFFD7FFDEFFCF8)              
                        <- iscsiAuthClientCheckAuthMethodList = 79
                      <- iscsiAuthClientSetOptionList = 755
                      -> iscsiAuthClientSetAuthMethodValid(0x4D7098, 
0xFFFFFD7FFDEFFCF8, 0xFFFFFD7FFDEFFCF8)            
                        -> iscsiAuthClientInitKeyBlock(0x4D76F8, 
0xFFFFFD7FFDEFFCF8, 0xFFFFFD7FFDEFFCF8)                
                        <- iscsiAuthClientInitKeyBlock = 39
                        -> iscsiAuthClientSetAuthMethodKey(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFCAC)           
                          -> iscsiAuthClientSetKey(0x4D7098, 0x0, 0x1)          
                            -> iscsiAuthClientSetKeyValue(0x4D76F8, 0x0, 0x0)   
        
                            <- iscsiAuthClientSetKeyValue = 270
                          <- iscsiAuthClientSetKey = 886
                        <- iscsiAuthClientSetAuthMethodKey = 26
                      <- iscsiAuthClientSetAuthMethodValid = 498
                    <- iscsiAuthClientSetAuthMethodList = 80
                    -> iscsiAuthClientSetChapAlgorithmList(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFCF8)           
                      -> iscsiAuthClientSetOptionList(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFCF8)                
                        -> iscsiAuthClientCheckChapAlgorithmOption(0x5, 0x1, 
0xFFFFFD7FFDEFFCF8)                
                        <- iscsiAuthClientCheckChapAlgorithmOption = 31
                        -> iscsiAuthClientCheckChapAlgorithmList(0x1, 
0xFFFFFD7FFDEFFCF8, 0xFFFFFD7FFDEFFCF8)           
                        <- iscsiAuthClientCheckChapAlgorithmList = 24
                      <- iscsiAuthClientSetOptionList = 755
                    <- iscsiAuthClientSetChapAlgorithmList = 42
                  <- iscsiAuthClientInit = 611
                  -> iscsiAuthClientSetVersion(0x4D7098, 0x0, 
0xFFFFFD7FFDEFFCF8)               
                    -> iscsiAuthClientCheckVersion(0x0, 0x0, 
0xFFFFFD7FFDEFFCF8)                
                    <- iscsiAuthClientCheckVersion = 30
                    -> iscsiAuthClientSetAuthMethodValid(0x4D7098, 0x0, 
0xFFFFFD7FFDEFFCF8)             
                      -> iscsiAuthClientInitKeyBlock(0x4D76F8, 0x0, 
0xFFFFFD7FFDEFFCF8)         
                      <- iscsiAuthClientInitKeyBlock = 39
                      -> iscsiAuthClientSetAuthMethodKey(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFCFC)             
                        -> iscsiAuthClientSetKey(0x4D7098, 0x0, 0x1)            
                          -> iscsiAuthClientSetKeyValue(0x4D76F8, 0x0, 0x0)     
        
                          <- iscsiAuthClientSetKeyValue = 270
                        <- iscsiAuthClientSetKey = 886
                      <- iscsiAuthClientSetAuthMethodKey = 26
                    <- iscsiAuthClientSetAuthMethodValid = 498
                  <- iscsiAuthClientSetVersion = 100
                  -> iscsiAuthClientSetUsername(0x4D7098, 0x4D77C4, 0x0)        
        
                    -> iscsiAuthClientCheckString(0x4D77C4, 0x100, 0x0)         
                    <- iscsiAuthClientCheckString = 61
                    -> iscsiAuthClientStringCopy(0x4D70D8, 0x4D77C4, 0x100)     
        
                    <- iscsiAuthClientStringCopy = 83
                  <- iscsiAuthClientSetUsername = 133
                  -> iscsiAuthClientSetPassword(0x4D7098, 0x4D78C4, 0x10)       
        
                    -> iscsiAuthClientSetAuthMethodValid(0x4D7098, 0x4D78C4, 
0x4D78D4)          
                      -> iscsiAuthClientInitKeyBlock(0x4D76F8, 0x4D78C4, 
0x4D78D4)              
                      <- iscsiAuthClientInitKeyBlock = 39
                      -> iscsiAuthClientSetAuthMethodKey(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFCFC)             
                        -> iscsiAuthClientSetKey(0x4D7098, 0x0, 0x1)            
                          -> iscsiAuthClientSetKeyValue(0x4D76F8, 0x0, 0x0)     
        
                          <- iscsiAuthClientSetKeyValue = 270
                        <- iscsiAuthClientSetKey = 886
                      <- iscsiAuthClientSetAuthMethodKey = 26
                    <- iscsiAuthClientSetAuthMethodValid = 498
                  <- iscsiAuthClientSetPassword = 134
                  -> iscsiAuthClientSetIpSec(0x4D7098, 0x1, 0x0)                
                  <- iscsiAuthClientSetIpSec = 63
                  -> iscsiAuthClientSetAuthRemote(0x4D7098, 0x1, 0x0)           
                    -> iscsiAuthClientSetAuthMethodValid(0x4D7098, 0x1, 0x0)    
        
                      -> iscsiAuthClientInitKeyBlock(0x4D76F8, 0x1, 0x0)        
        
                      <- iscsiAuthClientInitKeyBlock = 39
                      -> iscsiAuthClientSetAuthMethodKey(0x4D7098, 0x1, 
0xFFFFFD7FFDEFFD0C)             
                        -> iscsiAuthClientSetKey(0x4D7098, 0x0, 0x1)            
                          -> iscsiAuthClientSetKeyValue(0x4D76F8, 0x0, 0x0)     
        
                          <- iscsiAuthClientSetKeyValue = 270
                        <- iscsiAuthClientSetKey = 886
                      <- iscsiAuthClientSetAuthMethodKey = 26
                    <- iscsiAuthClientSetAuthMethodValid = 498
                  <- iscsiAuthClientSetAuthRemote = 65
                <- sess_set_auth = 621
                    -> util_title(0x49FF60, 0x20, 0x1)          
                      -> queue_prt(0x49FF60, 0x20, 0x4676B8)            
                        -> queue_str(0x49FF60, 0x20, 0x1B)              
                          -> queue_message_set(0x49FF60, 0x20, 0x1B)            
                            <- queue_message_set = 214
                          <- queue_str = 364
                      <- queue_prt = 204
                      <- util_title = 187
                      <- session_alloc = 366
                      -> connection_parameters_default(0x4D1C50, 0x1, 
0xFFFFFF01E9C4C060)               
                      <- connection_parameters_default = 112
                      -> make_login_response(0x4D1C50, 0xFFFFFD7FFDEFFDF0, 0x0) 
        
                      <- make_login_response = 305
                      -> parse_text(0x4D1C50, 0x13B, 0xFFFFFD7FFDEFFDD8)        
        
                        -> queue_prt(0x49FF60, 0x4, 0x467810)           
                          -> queue_str(0x49FF60, 0x4, 0x1B)             
                            -> queue_message_set(0x49FF60, 0x4, 0x1B)           
                              <- queue_message_set = 214
                            <- queue_str = 364
                        <- queue_prt = 204
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                        -> queue_prt(0x49FF60, 0x2, 0x4677F8)           
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                        -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A5963)           
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                        -> parse_digest_vals(0x4D1F50, 0x4A5971, 0x4A597E)      
        
                            -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A5971)               
                            <- add_text = 170
                          <- parse_digest_vals = 205
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                        -> parse_digest_vals(0x4D1F54, 0x4A5983, 0x4A598E)      
        
                            -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A5983)               
                            <- add_text = 170
                          <- parse_digest_vals = 205
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                          <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A5993)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A59A4)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A59B6)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                          <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A59CA)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                          <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A59DD)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                          -> add_text(0xFFFFFD7FFDEFFDD8, 0xFFFFFD7FFDEFFDC0, 
0x4A59F5)         
                          <- add_text = 170
                          -> queue_prt(0x49FF60, 0x2, 0x4677F8)         
                            -> queue_str(0x49FF60, 0x2, 0x1B)           
                              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
                              <- queue_message_set = 214
                            <- queue_str = 364
                          <- queue_prt = 204
                        -> send_named_msg(0x4D1C50, 0x14, 0x4A5A15)             
                          -> queue_alloc(0x4D1C50, 0x14, 0x4A5A15)              
                          <- queue_alloc = 126
                          -> queue_message_set(0x49FBE0, 0x0, 0x14)             
                          <- queue_message_set = 214
                            -> queue_message_get(0x49FB00, 0x9, 
0xFFFFFF01E9C4C060)             
                              <- queue_message_get = 172
                            -> queue_message_free(0x4A4C08, 0x1000000, 0x0)     
        
                                -> queue_free(0x49FB00, 0x0, 0x0)               
                                <- queue_free = 142
                              <- send_named_msg = 97
                              -> connection_parameters_get(0x4D1C50, 0x4A5A15, 
0x0)             
                                -> find_target_node(0x4A5A15, 0x0, 0x1)         
                                <- find_target_node = 175
                                -> check_access(0x49E2A0, 0x0, 0x0)             
                                  -> isns_enabled(0x49E2A0, 0x0, 0x0)           
                                  <- isns_enabled = 97
  -> conn_process(0x4D1C50, 0x1000000, 0x0)             
    -> queue_alloc(0x0, 0x1000000, 0x691ADC00)          
    <- queue_alloc = 126
    -> util_title(0x49FF60, 0x2, 0x0)           
      -> queue_prt(0x49FF60, 0x2, 0x4676B8)             
        -> queue_str(0x49FF60, 0x2, 0x1B)               
          -> queue_message_set(0x49FF60, 0x2, 0x1B)             
          <- queue_message_set = 214
          <- queue_str = 364
        <- queue_prt = 204
    <- util_title = 187
        -> util_title(0x49FF60, 0x2, 0x0)               
          -> queue_prt(0x49FF60, 0x2, 0x4676B8)         
            -> queue_str(0x49FF60, 0x2, 0x1B)           
              -> queue_message_set(0x49FF60, 0x2, 0x1B)         
              <- queue_message_set = 214
          <- queue_str = 364
          <- queue_prt = 204
      <- util_title = 187
        -> conn_state(0x4D1C50, 0x0, 0xFFFFFF01E9FFB000)                
          -> state_to_str(0x0, 0x0, 0x0)                
          <- state_to_str = 91
          -> event_to_str(0x0, 0x0, 0x0)                
          <- event_to_str = 166
          -> state_to_str(0x1, 0x0, 0x0)                
          <- state_to_str = 91
          -> queue_prt(0x49FF60, 0x4, 0x464E60)         
            -> queue_str(0x49FF60, 0x4, 0x1B)           
              -> queue_message_set(0x49FF60, 0x4, 0x1B)         
              <- queue_message_set = 214
          <- queue_str = 364
          <- queue_prt = 204
      <- conn_state = 935
        -> queue_message_get(0x49FE80, 0x1000000, 0x0)          
                -> queue_message_free(0x4A4EA8, 0x1000000, 0x0)         
                <- queue_message_free = 23
            -> queue_message_get(0x49FF60, 0x1000000, 0x0)              
                <- queue_message_get = 172
              -> queue_message_free(0x4A4E78, 0x1000000, 0x0)           
            <- queue_message_free = 23
          -> queue_message_get(0x49FF60, 0x1000000, 0x0)                
                -> sess_from_t10(0x4D6010, 0x1000000, 0x0)              
                  -> queue_message_get(0x49FB70, 0x1000000, 0x0)                
                            -> queue_message_free(0x4A4E48, 0x1000000, 0x0)     
        
                        <- queue_message_free = 23
                      -> queue_message_get(0x49FF60, 0x1000000, 0x0)            
                      -> sess_process(0x4D6010, 0x1000000, 0x0)         
                    -> queue_message_get(0x49FBE0, 0x1000000, 0x0)              
                            -> queue_message_free(0x4A4E18, 0x1000000, 0x0)     
        
                          <- queue_message_free = 23
                        -> queue_message_get(0x49FF60, 0x1000000, 0x0)          
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4DE8, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                            -> queue_message_get(0x49FF60, 0x1000000, 0x0)      
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4DB8, 0x1000000, 0x0)       
        
                        <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4D88, 0x1000000, 0x0)       
        
                        <- queue_message_free = 23
                            -> queue_message_get(0x49FF60, 0x1000000, 0x0)      
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4D58, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                            -> queue_message_get(0x49FF60, 0x1000000, 0x0)      
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4D28, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4CF8, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4CC8, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4C98, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4C68, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4C38, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                            <- queue_message_get = 172
                          -> queue_message_free(0x4A4C08, 0x1000000, 0x0)       
        
                          <- queue_message_free = 23
                          -> queue_message_get(0x49FF60, 0x1000000, 0x0)        
        
                          -> queue_message_set(0x49FB00, 0x0, 0x14)             
                              -> queue_message_free(0x4A4BD8, 0x1, 0x0)         
                            <- queue_message_free = 23
                              -> queue_message_get(0x49FBE0, 0x1000000, 0x0)    
        


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