ezelkow1 opened a new issue #7092:
URL: https://github.com/apache/trafficserver/issues/7092


   I am very sure this crash was due to having collapsed forwarding enabled, 
its exactly like some we had seen when I was testing my homegrown version of 
this, and was never able to track down so in our own version I had just 
commented out this assert, no idea what the real issue is though since I could 
never track it down
   
   
   [ 0  ] libpthread-2.17.so __libc_waitpid                                     
          ( :undefined            ) 
   [ 1  ] traffic_server     crash_logger_invoke                                
          ( Crash.cc:165          ) 
   [ 2  ] libpthread-2.17.so 0x2ab80bd4c5e0                                     
          ( :undefined            ) 
   [ 3  ] libc-2.17.so       raise                                              
          ( :undefined            ) 
   [ 4  ] libc-2.17.so       __GI_abort                                         
          ( :undefined            ) 
   [ 5  ] libtscore.so.8.1.0 ink_abort                                          
          ( ink_error.cc:99       ) 
   [ 6  ] libtscore.so.8.1.0 _ink_assert                                        
          ( ink_assert.cc:37      ) 
   [ 7  ] traffic_server     
HttpTransact::HandleCacheOpenReadHitFreshness(HttpTransac... ( 
HttpTransact.cc:2320  ) 
   [ 8  ] traffic_server     HttpSM::call_transact_and_set_next_state(void 
(*)(HttpTra... ( HttpSM.cc:7156        ) 
   [ 9  ] traffic_server     HttpSM::handle_api_return()                        
          ( HttpSM.cc:1590        ) 
   [ 10 ] traffic_server     HttpSM::state_api_callout(int, void*)              
          ( HttpSM.cc:1525        ) 
   [ 11 ] traffic_server     HttpSM::set_next_state()                           
          ( HttpSM.cc:7198        ) 
   [ 12 ] traffic_server     HttpSM::call_transact_and_set_next_state(void 
(*)(HttpTra... ( HttpSM.cc:7164        ) 
   [ 13 ] traffic_server     HttpSM::state_cache_open_read(int, void*)          
          ( HttpSM.cc:2499        ) 
   [ 14 ] traffic_server     HttpSM::main_handler(int, void*)                   
          ( HttpSM.cc:2561        ) 
   [ 15 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 16 ] traffic_server     HttpCacheSM::state_cache_open_read(int, void*)     
          ( HttpCacheSM.cc:130    ) 
   [ 17 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 18 ] traffic_server     callcont                                           
          ( P_CacheInternal.h:643 ) 
   [ 19 ] traffic_server     CacheVC::openReadStartEarliest(int, Event*)        
          ( CacheRead.cc:999      ) 
   [ 20 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 21 ] traffic_server     CacheVC::openReadStartEarliest(int, Event*)        
          ( CacheRead.cc:993      ) 
   [ 22 ] traffic_server     CacheVC::openReadStartHead(int, Event*)            
          ( CacheRead.cc:1260     ) 
   [ 23 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 24 ] traffic_server     CacheVC::handleReadDone(int, Event*)               
          ( Cache.cc:2397         ) 
   [ 25 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 26 ] traffic_server     Cache::open_read(Continuation*, ats::CryptoHash 
const*, H... ( CacheRead.cc:162      ) 
   [ 27 ] traffic_server     CacheProcessor::open_read(Continuation*, 
HttpCacheKey con... ( Cache.cc:3326         ) 
   [ 28 ] traffic_server     do_cache_open_read                                 
          ( HttpCacheSM.cc:281    ) 
   [ 29 ] traffic_server     HttpCacheSM::open_read(HttpCacheKey const*, URL*, 
HTTPHdr... ( HttpCacheSM.cc:314    ) 
   [ 30 ] traffic_server     HttpSM::do_cache_lookup_and_read()                 
          ( HttpSM.cc:4509        ) 
   [ 31 ] traffic_server     HttpSM::set_next_state()                           
          ( HttpSM.cc:7334        ) 
   [ 32 ] traffic_server     HttpSM::call_transact_and_set_next_state(void 
(*)(HttpTra... ( HttpSM.cc:7164        ) 
   [ 33 ] traffic_server     HttpSM::state_hostdb_reverse_lookup(int, void*)    
          ( HttpSM.cc:2257        ) 
   [ 34 ] traffic_server     HttpSM::main_handler(int, void*)                   
          ( HttpSM.cc:2561        ) 
   [ 35 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 36 ] traffic_server     reply_to_cont                                      
          ( HostDB.cc:492         ) 
   [ 37 ] traffic_server     HostDBContinuation::dnsEvent(int, HostEnt*)        
          ( HostDB.cc:1502        ) 
   [ 38 ] traffic_server     handleEvent                                        
          ( I_Continuation.h:160  ) 
   [ 39 ] traffic_server     DNSEntry::postEvent(int, Event*)                   
          ( DNS.cc:1413           ) 
   [ 40 ] traffic_server     dns_result                                         
          ( DNS.cc:1363           ) 
   [ 41 ] traffic_server     dns_process                                        
          ( DNS.cc:1760           ) 
   [ 42 ] traffic_server     DNSHandler::recv_dns(int, Event*)                  
          ( DNS.cc:903            ) 
   [ 43 ] traffic_server     DNSHandler::mainEvent(int, Event*)                 
          ( DNS.cc:916            ) 
   [ 44 ] traffic_server     NetHandler::waitForActivity(long)                  
          ( UnixNet.cc:519        ) 
   [ 45 ] traffic_server     EThread::execute_regular()                         
          ( UnixEThread.cc:278    ) 
   [ 46 ] traffic_server     spawn_thread_internal                              
          ( Thread.cc:85          ) 
   [ 47 ] libpthread-2.17.so start_thread                                       
          ( :undefined            ) 


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