[ https://issues.apache.org/jira/browse/TS-4126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Luca Bruno resolved TS-4126. ---------------------------- Resolution: Duplicate I've realized this has been fixed. Thanks. > Crash with high concurrency and low max_connections_active_in > ------------------------------------------------------------- > > Key: TS-4126 > URL: https://issues.apache.org/jira/browse/TS-4126 > Project: Traffic Server > Issue Type: Bug > Components: HTTP > Reporter: Luca Bruno > > ATS 6.0.0 reproducible crash with high concurrency (thousands of connections) > and low proxy.config.net.max_connections_active_in. > {noformat} > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7ffff1062700 (LWP 51041)] > NetHandler::_close_vc (this=0x7ffff2076b90, vc=0x7fff40053c20, > now=1452601469419678969, handle_event=@0x7ffff105da3c: 0, > closed=@0x7ffff105da38: 0, total_idle_time=<optimized out>, > total_idle_count=@0x7ffff105da44: 1) at UnixNet.cc:678 > 678 UnixNet.cc: No such file or directory. > (gdb) bt > #0 NetHandler::_close_vc (this=0x7ffff2076b90, vc=0x7fff40053c20, > now=1452601469419678969, handle_event=@0x7ffff105da3c: 0, > closed=@0x7ffff105da38: 0, total_idle_time=<optimized out>, > total_idle_count=@0x7ffff105da44: 1) at UnixNet.cc:678 > #1 0x0000555555891383 in NetHandler::manage_active_queue > (this=0x7ffff2076b90) at UnixNet.cc:590 > #2 0x000055555589143a in NetHandler::add_to_active_queue > (this=0x7ffff2076b90, vc=0x7fffe4048f40) at UnixNet.cc:720 > #3 0x00005555556dd82d in HttpClientSession::new_transaction > (this=0x7fffcc0ac1d0) at HttpClientSession.cc:124 > #4 0x0000555555666d67 in ProxyClientSession::state_api_callout > (this=0x7fffcc0ac1d0, event=<optimized out>) at ProxyClientSession.cc:123 > #5 0x00005555556de75b in HttpClientSession::new_connection > (this=0x7fffcc0ac1d0, new_vc=<optimized out>, iobuf=<optimized out>, > reader=<optimized out>, backdoor=<optimized out>) > at HttpClientSession.cc:220 > #6 0x00005555556d860d in HttpSessionAccept::accept (this=<optimized out>, > netvc=0x7fffe4048f40, iobuf=<optimized out>, reader=0x7fffa4021a68) at > HttpSessionAccept.cc:74 > #7 0x00005555556668ab in ProtocolProbeTrampoline::ioCompletionEvent > (this=0x7fffb002d8d0, event=1, edata=0x7ffff1062a30) at > ProtocolProbeSessionAccept.cc:123 > #8 0x000055555589bf19 in handleEvent (data=0x7fffe4049060, event=<optimized > out>, this=<optimized out>) at ../../iocore/eventsystem/I_Continuation.h:146 > #9 read_signal_and_update (event=<optimized out>, vc=0x7fffe4048f40) at > UnixNetVConnection.cc:145 > #10 0x00005555558a080c in read_from_net (nh=0x7ffff2076b90, > vc=0x7fffe4048f40, thread=0x7ffff2073010) at UnixNetVConnection.cc:377 > #11 0x000055555588f33a in NetHandler::mainNetEvent (this=0x7ffff2076b90, > event=1, e=0x7ffff1062a30) at UnixNet.cc:516 > #12 0x00005555558c352b in handleEvent (data=0x5555562b5820, event=5, > this=0x7ffff2076b90) at I_Continuation.h:146 > #13 EThread::process_event (this=this@entry=0x7ffff2073010, e=0x5555562b5820, > calling_code=calling_code@entry=5) at UnixEThread.cc:128 > #14 0x00005555558c4e26 in EThread::execute (this=0x7ffff2073010) at > UnixEThread.cc:252 > #15 0x00005555558c2eae in spawn_thread_internal (a=0x55555620cf90) at > Thread.cc:86 > #16 0x00007ffff60510a4 in start_thread (arg=0x7ffff1062700) at > pthread_create.c:309 > #17 0x00007ffff4ff904d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 > {noformat} > To reproduce: > 1. Set proxy.config.net.max_connections_active_in to 100 > 2. ab -c 20000 -n 100000 http://sameurlhere -- This message was sent by Atlassian JIRA (v6.3.4#6332)