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https://issues.apache.org/jira/browse/TS-2705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967900#comment-13967900
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Alan M. Carroll commented on TS-2705:
-------------------------------------
I think it very likely this is TS-2564 in action. I am not seeing these crashes
on my 5.0 test machine which would be consistent as I never ran 4.2.0 on that
particular box. The best option would be to try to patch your 5.0 with the
patch on that bug, although it's designed for 4.2.1. If it patches cleanly it
should be OK. We will be porting this to 5.0 before release but not in the
immediately future as it will be rolled in to some other cache work scheduled
for 5.0.
> master Crashes frequently
> --------------------------
>
> Key: TS-2705
> URL: https://issues.apache.org/jira/browse/TS-2705
> Project: Traffic Server
> Issue Type: Bug
> Components: Cache, Core, Lua
> Reporter: Faysal Banna
>
> Hi Guys
> I enabled ts_lua plugin and did experiment on my local computer all worked
> fine
> when i moved to the big machine hosting traffic i noticed that the ATS
> crashes most often (each 5 minutes almost ).
> i don't know the cause of it and can not confirm if its from the ts_lua stuff
> plugins enabled are ts_lua, cacheurl, header_rewrite, collapsed_connection
> anyhow here is the code i get in traffic.out
> {code}
> /lib/x86_64-linux-gnu/libpthread.so.0(+0xfbb0)[0x2b16fe4fcbb0]
> /usr/local/bin/traffic_server(HttpSM::tunnel_handler_ua(int,
> HttpTunnelConsumer*)+0x31d)[0x51b30d]
> /usr/local/bin/traffic_server(HttpTunnel::consumer_handler(int,
> HttpTunnelConsumer*)+0x74)[0x56b704]
> /usr/local/bin/traffic_server(HttpTunnel::main_handler(int,
> void*)+0x108)[0x56d048]
> /usr/local/bin/traffic_server(write_to_net_io(NetHandler*,
> UnixNetVConnection*, EThread*)+0xf67)[0x68c4f7]
> /usr/local/bin/traffic_server(NetHandler::mainNetEvent(int,
> Event*)+0x286)[0x681576]
> /usr/local/bin/traffic_server(EThread::execute()+0x9a3)[0x6af5a3]
> /usr/local/bin/traffic_server[0x6ae19a]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x7f6e)[0x2b16fe4f4f6e]
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x2b16ff2269cd]
> NOTE: Traffic Server received Sig 11: Segmentation fault
> /usr/local/bin/traffic_server - STACK TRACE:
> /lib/x86_64-linux-gnu/libpthread.so.0(+0xfbb0)[0x2ab35816abb0]
> /usr/local/bin/traffic_server(mime_field_value_get(MIMEField*,
> int*)+0x0)[0x5c7fd0]
> /usr/local/bin/traffic_server(HttpTransact::build_response(HttpTransact::State*,
> HTTPHdr*, HTTPHdr*, HTTPVersion, HTTPStatus, char const*)+0x112)[0x54f892]
> /usr/local/bin/traffic_server(HttpTransact::build_response_from_cache(HttpTransact::State*,
> HTTPWarningCode)+0x1e1)[0x55d7c1]
> /usr/local/bin/traffic_server(HttpTransact::HandleCacheOpenReadHit(HttpTransact::State*)+0x147)[0x55ee67]
> /usr/local/bin/traffic_server(HttpSM::call_transact_and_set_next_state(void
> (*)(HttpTransact::State*))+0x56)[0x523466]
> /usr/local/bin/traffic_server(HttpSM::state_api_callout(int,
> void*)+0x2c8)[0x52d7a8]
> /usr/local/bin/traffic_server(HttpSM::state_api_callback(int,
> void*)+0x82)[0x531f92]
> /usr/local/bin/traffic_server(TSHttpTxnReenable+0x244)[0x4bea94]
> /usr/local/libexec/trafficserver/collapsed_connection.so(+0x3d05)[0x2ab361bc4d05]
> /usr/local/bin/traffic_server(HttpSM::state_api_callout(int,
> void*)+0x104)[0x52d5e4]
> /usr/local/bin/traffic_server(HttpSM::set_next_state()+0x5ab)[0x53263b]
> /usr/local/bin/traffic_server(HttpSM::state_api_callout(int,
> void*)+0x2c8)[0x52d7a8]
> /usr/local/bin/traffic_server(HttpSM::set_next_state()+0x5ab)[0x53263b]
> /usr/local/bin/traffic_server(HttpSM::state_cache_open_read(int,
> void*)+0x156)[0x52eda6]
> /usr/local/bin/traffic_server(HttpSM::main_handler(int, void*)+0xbd)[0x52e2fd]
> /usr/local/bin/traffic_server(HttpCacheSM::state_cache_open_read(int,
> void*)+0x1c2)[0x510912]
> /usr/local/bin/traffic_server(CacheVC::callcont(int)+0x5b)[0x5f508b]
> /usr/local/bin/traffic_server(CacheVC::openReadStartHead(int,
> Event*)+0xfba)[0x65cb3a]
> /usr/local/bin/traffic_server(CacheVC::handleReadDone(int,
> Event*)+0x1c8)[0x63ab78]
> /usr/local/bin/traffic_server(AIOCallbackInternal::io_complete(int,
> void*)+0x33)[0x5f3f83]
> /usr/local/bin/traffic_server(EThread::process_event(Event*,
> int)+0x150)[0x6b5de0]
> /usr/local/bin/traffic_server(EThread::execute()+0x6f3)[0x6b6873]
> /usr/local/bin/traffic_server[0x6b571a]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x7f6e)[0x2ab358162f6e]
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x2ab358e949cd]
> {code}
> much regards
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