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Posted to issues@trafficserver.apache.org by GitBox <gi...@apache.org> on 2021/09/20 19:46:55 UTC
[GitHub] [trafficserver] randall edited a comment on issue #8329: Crash while using next hop strategy
randall edited a comment on issue #8329:
URL: https://github.com/apache/trafficserver/issues/8329#issuecomment-923241999
We build with llvm 12, so maybe a difference in how gcc/llvm handles things.
Full stack of crashed thread:
```
#0 0x00007febf7b221d9 in waitpid () from /lib64/libpthread.so.0
#1 0x00005639c1c44504 in crash_logger_invoke(int, siginfo_t*, void*) (signo=11, info=0x7febeff05b70, ctx=0x7febeff05a40)
at traffic_server/Crash.cc:168
#2 <signal handler called>
#3 __tree_min<std::__tree_node_base<void *> *> (__x=0x600) at /opt/ats/include/c++/v1/__tree:147
#4 __tree_next_iter<std::__tree_end_node<std::__tree_node_base<void *> *> *, std::__tree_node_base<void *> *> (
__x=0x7febf5789fb0) at /opt/ats/include/c++/v1/__tree:183
#5 operator++ (this=<optimized out>) at /opt/ats/include/c++/v1/__tree:842
#6 operator++ (this=<optimized out>) at /opt/ats/include/c++/v1/map:804
#7 operator++ (this=<optimized out>) at /opt/ats/include/c++/v1/map:809
#8 ATSConsistentHash::lookup(char const*, std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::__value_type<unsigned long, ATSConsistentHashNode*>, std::__1::__tree_node<std::__1::__value_type<unsigned long, ATSConsistentHashNode*>, void*>*, long> >*, bool*, ATSHash64*) (this=0x7febf5789f98, url=0x0, i=0x7feb4fd33f68, w=<optimized out>, h=<optimized out>)
at ConsistentHash.cc:109
#9 0x00005639c1d48e3f in chash_lookup (ring=..., hash_key=298391872744178962, iter=0x7feb4fd33f68,
wrapped=0x7febeff068bf, hash=0x7febeff068c0, hash_init=<optimized out>, mapWrapped=<optimized out>,
sm_id=<optimized out>) at NextHopConsistentHash.cc:48
#10 NextHopConsistentHash::findNextHop(tsapi_httptxn*, void*, long) (this=0x7febf59ff018, txnp=0x7feb4fd33500,
ih=<optimized out>, now=0) at NextHopConsistentHash.cc:337
#11 0x00005639c1d14617 in nextParent(HttpTransact::State*) (s=0x7feb4fd33600) at HttpTransact.cc:249
#12 0x00005639c1cf87be in find_server_and_update_current_info(HttpTransact::State*) (s=0x7feb4fd33600)
at HttpTransact.cc:584
#13 0x00005639c1d06f0a in HttpTransact::handle_response_from_parent(HttpTransact::State*) (s=0x7feb4fd33600)
at HttpTransact.cc:3665
#14 0x00005639c1cfbdc5 in HttpTransact::HandleResponse(HttpTransact::State*) (s=0x7feb4fd33600) at HttpTransact.cc:3462
#15 0x00005639c1cd3491 in call_transact_and_set_next_state (this=0x7feb4fd33500, f=<optimized out>) at HttpSM.cc:7391
#16 HttpSM::handle_server_setup_error(int, void*) (this=0x7feb4fd33500, event=<optimized out>, data=<optimized out>)
at HttpSM.cc:5790
#17 0x00005639c1cd2e90 in HttpSM::state_read_server_response_header(int, void*) (this=0x7feb4fd33500, event=104,
data=0x7febe9742e60) at HttpSM.cc:2063
#18 0x00005639c1cc199c in HttpSM::main_handler(int, void*) (this=0x7feb4fd33500, event=104, data=0x7febe9742e60)
at HttpSM.cc:2715
#19 0x00005639c1ec9883 in handleEvent (this=<optimized out>, event=104, data=0x7feb4fd33f68)
at /usr/src/debug/ats-trafficserver-9.1.1/iocore/eventsystem/I_Continuation.h:219
#20 read_signal_and_update(int, UnixNetVConnection*) (event=104, vc=0x7febe9742c80) at UnixNetVConnection.cc:83
#21 0x00005639c1ec8574 in read_signal_done (event=104, nh=0x7febf5211d50, vc=0x7febe9742c80) at UnixNetVConnection.cc:150
#22 read_from_net (nh=<optimized out>, vc=<optimized out>, thread=<optimized out>) at UnixNetVConnection.cc:292
#23 UnixNetVConnection::net_read_io(NetHandler*, EThread*) (this=<optimized out>, nh=0x7febf5211d50,
lthread=<optimized out>) at UnixNetVConnection.cc:921
#24 0x00005639c1eb9793 in NetHandler::process_ready_list() (this=0x7febf5211d50) at UnixNet.cc:415
#25 0x00005639c1eb9e6e in NetHandler::waitForActivity(long) (this=<optimized out>, timeout=<optimized out>)
at UnixNet.cc:552
#26 0x00005639c1eb9f3d in non-virtual thunk to NetHandler::waitForActivity(long) ()
#27 0x00005639c1ee9dff in EThread::execute_regular() (this=0x7febf520dbc0) at UnixEThread.cc:303
#28 0x00005639c1eea079 in EThread::execute() (this=0x7febf520dbc0) at UnixEThread.cc:364
#29 0x00005639c1ee8556 in spawn_thread_internal(void*) (a=0x7febf62519e0) at Thread.cc:92
#30 0x00007febf7b1aea5 in start_thread () from /lib64/libpthread.so.0
#31 0x00007febf731b8dd in clone () from /lib64/libc.so.6
```
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