Are you using per thread or global session pools?  If you are using global, it 
might be worth a try to switch to per thread 
(https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/files/records.config.en.html?highlight=records.config#proxy-config-http-server-session-sharing-pool
 
<https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/files/records.config.en.html?highlight=records.config#proxy-config-http-server-session-sharing-pool>).

You can try turning off keep alive as referenced in the issue, but I have a 
feeling it won’t help.

If you can run an ASAN in production with the proxy.config.proxy_binary_opts 
set to "-M -f -F” that would really help to tracking this issue down.  There is 
some overhead with running ASAN and I don’t know if your servers can handle it 
(https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/files/records.config.en.html?highlight=records.config#proxy-config-proxy-binary-opts
 
<https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/files/records.config.en.html?highlight=records.config#proxy-config-proxy-binary-opts>).

-Bryan


> On May 24, 2021, at 4:12 PM, Mark Moseley <[email protected]> wrote:
> 
> I've been chasing an issue for a while now. This is 8.1.1 running on Ubuntu 
> Focal. I'm seeing this same crash (Fatal: HttpSM.cc:2533: failed assertion 
> `magic == HTTP_SM_MAGIC_ALIVE`) across different nodes that are handling 
> unrelated traffic, but also ones that don't mention HTTP_SM_MAGIC_ALIVE.
> 
> Background:
> ATS is doing reverse proxy caching in front of web hosting backends, so a 
> completely random assortment of backend domains and a random assortment of 
> file types. Customer domains resolve to a group of 3-node clusters. I'm 
> seeing the same crash across different clusters, so it wouldn't be related to 
> the same backend origin domain(s). Backends are derived via remap+tslua, 
> doing DNS lookups. These boxes constantly run at 200-400 reqs/seq all day, 
> but I'm only seeing this crash anywhere from "once every couple days" to a 
> couple of times a day on a given node (so the other millions of requests per 
> day are processed just fine). ATS sits behind a front-end nginx instance (so 
> nginx->ats is all localhost; origins are remote but on the same LAN). 
> 
> It sounds similar to https://github.com/apache/trafficserver/issues/4921 
> <https://github.com/apache/trafficserver/issues/4921> but that ticket also 
> says that it was fixed for the OP in 8.1, so that could be a red herring.
> 
> Any patches/settings I can use to mitigate this? Would turning off keepalives 
> help as a bandaid? (Outbound keepalives to the origins would hurt a bit; 
> inbound would probably be fine due to nginx->ats being on localhost).
> 
> I'm also fine upgrading to 9.x but I ran into the issue where the connection 
> count grows without bound, despite the connections not really being open 
> (https://github.com/apache/trafficserver/issues/7471 
> <https://github.com/apache/trafficserver/issues/7471>)
> 
> I don't have any core files handy and these boxes have anywhere from 
> 64gb-224gb ATS RAM cache, so I imagine a core would be horrifyingly large. 
> The error is always similar to this (most of these are from the same box but 
> that's just out of convenience; I'm seeing the same variety of segfaults 
> across all of my boxes):
> 
> May 24 07:05:14 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 24 07:05:14 cache0302 traffic_server[30820]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 24 07:05:14 cache0302 traffic_manager[21310]: [May 24 07:05:14.660] 
> traffic_crashlo NOTE: crashlog started, target=30820, debug=false 
> syslog=true, uid=114 euid=0
> May 24 07:05:14 cache0302 traffic_crashlog[30822]: traffic_crashlo NOTE: 
> crashlog started, target=30820, debug=false syslog=true, uid=114 euid=0
> May 24 07:05:14 cache0302 traffic_crashlog[30822]: traffic_crashlo NOTE: 
> logging to 0x14e10a33ad20
> May 24 07:05:14 cache0302 traffic_manager[21310]: [May 24 07:05:14.660] 
> traffic_crashlo NOTE: logging to 0x14e10a33ad20
> May 24 07:05:17 cache0302 traffic_manager[21310]: [May 24 07:05:17.094] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-24-070514.log
> May 24 07:05:17 cache0302 traffic_crashlog[30822]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-24-070514.log
> May 24 07:05:17 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 24 07:05:17 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x15ff15ac4ef0]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x675351928980]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x675350a20fb7]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x675350a22921]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x6753535bdb08]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x6753535ba7d5]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x15ff15b3cd0b]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x15ff15d70d32]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x15ff15d72329]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x15ff15d6324c]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x15ff15d64d72]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x15ff15db0f92]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x15ff15db2233]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x15ff15db091a]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x67535191d6db]
> May 24 07:05:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x675350b0371f]
> 
> Sometimes I get this one:
> 
> May 22 21:30:01 cache0102 traffic_manager[6292]: Fatal: HttpSM.cc:5854: 
> failed assertion `server_session == nullptr`
> May 22 21:30:01 cache0102 traffic_server[16246]: Fatal: HttpSM.cc:5854: 
> failed assertion `server_session == nullptr`
> May 22 21:30:01 cache0102 traffic_manager[6292]: [May 22 21:30:01.658] 
> traffic_crashlo NOTE: crashlog started, target=16246, debug=false 
> syslog=true, uid=114 euid=0
> May 22 21:30:01 cache0102 traffic_crashlog[16260]: traffic_crashlo NOTE: 
> crashlog started, target=16246, debug=false syslog=true, uid=114 euid=0
> May 22 21:30:01 cache0102 traffic_crashlog[16260]: traffic_crashlo NOTE: 
> logging to 0x18473c4cb6e0
> May 22 21:30:01 cache0102 traffic_manager[6292]: [May 22 21:30:01.659] 
> traffic_crashlo NOTE: logging to 0x18473c4cb6e0
> May 22 21:30:04 cache0102 traffic_manager[6292]: [May 22 21:30:04.197] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-213001.log
> May 22 21:30:04 cache0102 traffic_crashlog[16260]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-213001.log
> May 22 21:30:04 cache0102 traffic_manager[6292]: traffic_server: received 
> signal 6 (Aborted)
> May 22 21:30:04 cache0102 traffic_manager[6292]: traffic_server - STACK TRACE:
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x10b76b432ef0]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x62a740d4b980]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x62a73fe43fb7]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x62a73fe45921]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x62a7429e0b08]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x62a7429dd7d5]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN6HttpSM17get_http_scheduleEiPv+0x0)[0x10b76b4a2250]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN6HttpSM22state_http_server_openEiPv+0x2e2)[0x10b76b4af562]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x110)[0x10b76b4aade0]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN12CheckConnect14handle_connectEiP5Event+0x649)[0x10b76b6dc8e9]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(+0x36cd32)[0x10b76b6ded32]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_Z15write_to_net_ioP10NetHandlerP18UnixNetVConnectionP7EThread+0xd30)[0x10b76b6e77c0]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN10NetHandler18process_ready_listEv+0x27f)[0x10b76b6cec0f]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN10NetHandler15waitForActivityEl+0x295)[0x10b76b6ceef5]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x729)[0x10b76b720409]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x10b76b71e91a]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x62a740d406db]
> May 22 21:30:04 cache0102 traffic_manager[6292]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x62a73ff2671f]
> 
> 
> I also see:
> 
> May 24 02:05:18 cache0302 traffic_manager[21310]: [May 24 02:05:18.715] 
> traffic_crashlo NOTE: crashlog started, target=28956, debug=false 
> syslog=true, uid=114 euid=0
> May 24 02:05:18 cache0302 traffic_manager[21310]: [May 24 02:05:18.715] 
> traffic_crashlo NOTE: logging to 0x1a09c40167a0
> May 24 02:05:18 cache0302 traffic_crashlog[28962]: traffic_crashlo NOTE: 
> crashlog started, target=28956, debug=false syslog=true, uid=114 euid=0
> May 24 02:05:18 cache0302 traffic_crashlog[28962]: traffic_crashlo NOTE: 
> logging to 0x1a09c40167a0
> May 24 02:05:21 cache0302 traffic_manager[21310]: [May 24 02:05:21.582] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-24-020518.log
> May 24 02:05:21 cache0302 traffic_crashlog[28962]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-24-020518.log
> May 24 02:05:21 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 11 (Segmentation fault)
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> traffic_servertraffic_server - STACK TRACE:
> May 24 02:05:21 cache0302 traffic_manager[21310]:  - STACK TRACE:
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x14d500a4fef0]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x733afa434980]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM21setup_server_transferEv+0x620)[0x14d500abe110]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7OpenDir11close_writeEP7CacheVC+0x1b8)[0x14d500c20d18]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM17handle_api_returnEv+0x225)[0x14d500ac4095]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7CacheVC17openWriteCloseDirEiP5Event+0xab)[0x14d500c4ae9b]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM17state_api_calloutEiPv+0x604)[0x14d500ac4a24]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN11HttpCacheSM8end_bothEv+0xa2)[0x14d500ace812]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM14set_next_stateEv+0xe37)[0x14d500acbf47]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM9kill_thisEv+0x83)[0x14d500ac7463]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM32call_transact_and_set_next_stateEPFvPN12HttpTransact5StateEE+0x4f)[0x14d500ab4bbf]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x17f)[0x14d500ac7e4f]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM17handle_api_returnEv+0xba)[0x14d500ac3f2a]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x14d500cfbd32]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM17state_api_calloutEiPv+0x604)[0x14d500ac4a24]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x14d500cfd329]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM33state_read_server_response_headerEiPv+0x46d)[0x14d500ac594d]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x14d500cee24c]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x110)[0x14d500ac7de0]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x14d500cefd72]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection19readSignalAndUpdateEi+0x52)[0x14d500d00242]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x14d500d3bf92]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN17SSLNetVConnection11net_read_ioEP10NetHandlerP7EThread+0x17b5)[0x14d500cc8ec5]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x14d500d3d233]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler18process_ready_listEv+0x264)[0x14d500cebbf4]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x14d500d3b91a]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler15waitForActivityEl+0x295)[0x14d500cebef5]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x733afa4296db]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x729)[0x14d500d3d409]
> May 24 02:05:21 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x733af960f71f]
> 
> 
> Sometimes it takes a day or two to crash, but sometimes it's much more rapid. 
> Here's a bunch from the span of a couple of hours:
> 
> May 22 22:34:33 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 22:34:33 cache0302 traffic_server[22524]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 22:34:33 cache0302 traffic_manager[21310]: [May 22 22:34:33.988] 
> traffic_crashlo NOTE: crashlog started, target=22524, debug=false 
> syslog=true, uid=114 euid=0
> May 22 22:34:33 cache0302 traffic_crashlog[22527]: traffic_crashlo NOTE: 
> crashlog started, target=22524, debug=false syslog=true, uid=114 euid=0
> May 22 22:34:33 cache0302 traffic_manager[21310]: [May 22 22:34:33.989] 
> traffic_crashlo NOTE: logging to 0x10ba7153b000
> May 22 22:34:33 cache0302 traffic_crashlog[22527]: traffic_crashlo NOTE: 
> logging to 0x10ba7153b000
> May 22 22:34:36 cache0302 traffic_manager[21310]: [May 22 22:34:36.755] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-223433.log
> May 22 22:34:36 cache0302 traffic_crashlog[22527]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-223433.log
> May 22 22:34:36 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 22 22:34:36 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1bedf9b81ef0]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x75b896f0f980]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x75b896007fb7]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x75b896009921]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x75b898ba4b08]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x75b898ba17d5]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x1bedf9bf9d0b]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x1bedf9e2dd32]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x1bedf9e2f329]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x418)[0x1bedf9e21f18]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1bedf9e6df92]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1bedf9e6f233]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1bedf9e6d91a]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x75b896f046db]
> May 22 22:34:36 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x75b8960ea71f]
> May 22 22:34:46 cache0302 traffic_server[8819]: NOTE: --- traffic_server 
> Starting ---
> May 22 22:34:46 cache0302 traffic_server[8819]: NOTE: traffic_server Version: 
> Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on Apr  9 
> 2021 at 15:49:55)
> May 22 22:41:09 cache0302 traffic_manager[21310]: [May 22 22:41:09.044] 
> traffic_crashlo NOTE: crashlog started, target=8819, debug=false syslog=true, 
> uid=114 euid=0
> May 22 22:41:09 cache0302 traffic_manager[21310]: [May 22 22:41:09.044] 
> traffic_crashlo NOTE: logging to 0x13fb55f0e020
> May 22 22:41:09 cache0302 traffic_crashlog[8825]: traffic_crashlo NOTE: 
> crashlog started, target=8819, debug=false syslog=true, uid=114 euid=0
> May 22 22:41:09 cache0302 traffic_crashlog[8825]: traffic_crashlo NOTE: 
> logging to 0x13fb55f0e020
> May 22 22:41:10 cache0302 traffic_manager[21310]: [May 22 22:41:10.463] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-224109.log
> May 22 22:41:10 cache0302 traffic_crashlog[8825]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-224109.log
> May 22 22:41:10 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 11 (Segmentation fault)
> May 22 22:41:10 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x191e98ab9ef0]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x67dee0e2f980]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel19finish_all_internalEP18HttpTunnelProducerb+0x177)[0x191e98b88567]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM21tunnel_handler_serverEiP18HttpTunnelProducer+0x60c)[0x191e98b1888c]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel16producer_handlerEiP18HttpTunnelProducer+0x58d)[0x191e98b84ffd]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x14a)[0x191e98b85b5a]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36d222)[0x191e98d66222]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x56f)[0x191e98d672cf]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x492)[0x191e98d59f92]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x191e98da5f92]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x191e98da7233]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x191e98da591a]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x67dee0e246db]
> May 22 22:41:10 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x67dee000a71f]
> May 22 22:41:14 cache0302 traffic_server[11594]: NOTE: --- traffic_server 
> Starting ---
> May 22 22:41:14 cache0302 traffic_server[11594]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 22 23:04:37 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 23:04:37 cache0302 traffic_server[11594]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 23:04:37 cache0302 traffic_manager[21310]: [May 22 23:04:37.520] 
> traffic_crashlo NOTE: crashlog started, target=11594, debug=false 
> syslog=true, uid=114 euid=0
> May 22 23:04:37 cache0302 traffic_crashlog[11600]: traffic_crashlo NOTE: 
> crashlog started, target=11594, debug=false syslog=true, uid=114 euid=0
> May 22 23:04:37 cache0302 traffic_crashlog[11600]: traffic_crashlo NOTE: 
> logging to 0x1decbe248a90
> May 22 23:04:37 cache0302 traffic_manager[21310]: [May 22 23:04:37.520] 
> traffic_crashlo NOTE: logging to 0x1decbe248a90
> May 22 23:04:38 cache0302 traffic_manager[21310]: [May 22 23:04:38.880] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-230437.log
> May 22 23:04:38 cache0302 traffic_crashlog[11600]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-230437.log
> May 22 23:04:38 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 22 23:04:38 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1867ffb06ef0]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x747f2bd26980]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x747f2ae1efb7]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x747f2ae20921]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x747f2d9bbb08]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x747f2d9b87d5]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x1867ffb7ed0b]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x1867ffdb2d32]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x1867ffdb4329]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x1867ffda524c]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x1867ffda6d72]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1867ffdf2f92]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1867ffdf4233]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1867ffdf291a]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x747f2bd1b6db]
> May 22 23:04:38 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x747f2af0171f]
> May 22 23:04:43 cache0302 traffic_server[23705]: NOTE: --- traffic_server 
> Starting ---
> May 22 23:04:43 cache0302 traffic_server[23705]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 22 23:29:41 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:5854: 
> failed assertion `server_session == nullptr`
> May 22 23:29:41 cache0302 traffic_server[23705]: Fatal: HttpSM.cc:5854: 
> failed assertion `server_session == nullptr`
> May 22 23:29:41 cache0302 traffic_manager[21310]: [May 22 23:29:41.142] 
> traffic_crashlo NOTE: crashlog started, target=23705, debug=false 
> syslog=true, uid=114 euid=0
> May 22 23:29:41 cache0302 traffic_crashlog[23707]: traffic_crashlo NOTE: 
> crashlog started, target=23705, debug=false syslog=true, uid=114 euid=0
> May 22 23:29:41 cache0302 traffic_crashlog[23707]: traffic_crashlo NOTE: 
> logging to 0x19db57d47390
> May 22 23:29:41 cache0302 traffic_manager[21310]: [May 22 23:29:41.142] 
> traffic_crashlo NOTE: logging to 0x19db57d47390
> May 22 23:29:42 cache0302 traffic_manager[21310]: [May 22 23:29:42.544] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-232941.log
> May 22 23:29:42 cache0302 traffic_crashlog[23707]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-232941.log
> May 22 23:29:42 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 22 23:29:42 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x147b5d156ef0]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x71f05ed35980]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x71f05de2dfb7]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x71f05de2f921]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x71f0609cab08]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x71f0609c77d5]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM17get_http_scheduleEiPv+0x0)[0x147b5d1c6250]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM22state_http_server_openEiPv+0x2e2)[0x147b5d1d3562]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x110)[0x147b5d1cede0]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN12CheckConnect14handle_connectEiP5Event+0x649)[0x147b5d4008e9]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x147b5d402d32]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z15write_to_net_ioP10NetHandlerP18UnixNetVConnectionP7EThread+0xd30)[0x147b5d40b7c0]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler18process_ready_listEv+0x27f)[0x147b5d3f2c0f]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler15waitForActivityEl+0x295)[0x147b5d3f2ef5]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x729)[0x147b5d444409]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x147b5d44291a]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x71f05ed2a6db]
> May 22 23:29:42 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x71f05df1071f]
> May 22 23:29:46 cache0302 traffic_server[2493]: NOTE: --- traffic_server 
> Starting ---
> May 22 23:29:46 cache0302 traffic_server[2493]: NOTE: traffic_server Version: 
> Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on Apr  9 
> 2021 at 15:49:55)
> May 22 23:43:15 cache0302 traffic_manager[21310]: [May 22 23:43:15.997] 
> traffic_crashlo NOTE: crashlog started, target=2493, debug=false syslog=true, 
> uid=114 euid=0
> May 22 23:43:15 cache0302 traffic_crashlog[2495]: traffic_crashlo NOTE: 
> crashlog started, target=2493, debug=false syslog=true, uid=114 euid=0
> May 22 23:43:15 cache0302 traffic_manager[21310]: [May 22 23:43:15.997] 
> traffic_crashlo NOTE: logging to 0x16dba7520110
> May 22 23:43:15 cache0302 traffic_crashlog[2495]: traffic_crashlo NOTE: 
> logging to 0x16dba7520110
> May 22 23:43:17 cache0302 traffic_manager[21310]: [May 22 23:43:17.331] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-234315.log
> May 22 23:43:17 cache0302 traffic_crashlog[2495]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-234315.log
> May 22 23:43:17 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 11 (Segmentation fault)
> May 22 23:43:17 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1e354ceb6ef0]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x6ac17bd5b980]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel19finish_all_internalEP18HttpTunnelProducerb+0x177)[0x1e354cf85567]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM21tunnel_handler_serverEiP18HttpTunnelProducer+0x60c)[0x1e354cf1588c]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel16producer_handlerEiP18HttpTunnelProducer+0x58d)[0x1e354cf81ffd]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x14a)[0x1e354cf82b5a]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36d222)[0x1e354d163222]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x56f)[0x1e354d1642cf]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x492)[0x1e354d156f92]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1e354d1a2f92]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1e354d1a4233]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1e354d1a291a]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x6ac17bd506db]
> May 22 23:43:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x6ac17af3671f]
> May 22 23:43:21 cache0302 traffic_server[9064]: NOTE: --- traffic_server 
> Starting ---
> May 22 23:43:21 cache0302 traffic_server[9064]: NOTE: traffic_server Version: 
> Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on Apr  9 
> 2021 at 15:49:55)
> May 22 23:51:29 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 23:51:29 cache0302 traffic_server[9064]: Fatal: HttpSM.cc:2533: failed 
> assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 22 23:51:29 cache0302 traffic_manager[21310]: [May 22 23:51:29.199] 
> traffic_crashlo NOTE: crashlog started, target=9064, debug=false syslog=true, 
> uid=114 euid=0
> May 22 23:51:29 cache0302 traffic_crashlog[9066]: traffic_crashlo NOTE: 
> crashlog started, target=9064, debug=false syslog=true, uid=114 euid=0
> May 22 23:51:29 cache0302 traffic_crashlog[9066]: traffic_crashlo NOTE: 
> logging to 0x153045b30140
> May 22 23:51:29 cache0302 traffic_manager[21310]: [May 22 23:51:29.199] 
> traffic_crashlo NOTE: logging to 0x153045b30140
> May 22 23:51:30 cache0302 traffic_manager[21310]: [May 22 23:51:30.396] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-22-235129.log
> May 22 23:51:30 cache0302 traffic_crashlog[9066]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-22-235129.log
> May 22 23:51:30 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 22 23:51:30 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1cfb65150ef0]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x76d5135c1980]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x76d5126b9fb7]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x76d5126bb921]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x76d515256b08]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x76d5152537d5]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x1cfb651c8d0b]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x1cfb653fcd32]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x1cfb653fe329]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x1cfb653ef24c]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x1cfb653f0d72]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1cfb6543cf92]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1cfb6543e233]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1cfb6543c91a]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x76d5135b66db]
> May 22 23:51:30 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x76d51279c71f]
> May 22 23:51:33 cache0302 traffic_server[12951]: NOTE: --- traffic_server 
> Starting ---
> May 22 23:51:33 cache0302 traffic_server[12951]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 23 00:08:16 cache0302 traffic_manager[21310]: [May 23 00:08:16.507] 
> traffic_crashlo NOTE: crashlog started, target=12951, debug=false 
> syslog=true, uid=114 euid=0
> May 23 00:08:16 cache0302 traffic_manager[21310]: [May 23 00:08:16.507] 
> traffic_crashlo NOTE: logging to 0x19c404cfdad0
> May 23 00:08:16 cache0302 traffic_crashlog[12953]: traffic_crashlo NOTE: 
> crashlog started, target=12951, debug=false syslog=true, uid=114 euid=0
> May 23 00:08:16 cache0302 traffic_crashlog[12953]: traffic_crashlo NOTE: 
> logging to 0x19c404cfdad0
> May 23 00:08:17 cache0302 traffic_manager[21310]: [May 23 00:08:17.776] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-23-000816.log
> May 23 00:08:17 cache0302 traffic_crashlog[12953]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-23-000816.log
> May 23 00:08:17 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 11 (Segmentation fault)
> May 23 00:08:17 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x19c0a1524ef0]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x6d52207fd980]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7OpenDir11close_writeEP7CacheVC+0x1b8)[0x19c0a16f5d18]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7CacheVC17openWriteCloseDirEiP5Event+0xab)[0x19c0a171fe9b]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN11HttpCacheSM8end_bothEv+0xa2)[0x19c0a15a3812]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM9kill_thisEv+0x83)[0x19c0a159c463]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x17f)[0x19c0a159ce4f]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x19c0a17d0d32]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x19c0a17d2329]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x19c0a17c324c]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x19c0a17c4d72]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x19c0a1810f92]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x19c0a1812233]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x19c0a181091a]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x6d52207f26db]
> May 23 00:08:17 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x6d521f9d871f]
> May 23 00:08:21 cache0302 traffic_server[20789]: NOTE: --- traffic_server 
> Starting ---
> May 23 00:08:21 cache0302 traffic_server[20789]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 23 00:14:46 cache0302 traffic_manager[21310]: [May 23 00:14:46.669] 
> traffic_crashlo NOTE: crashlog started, target=20789, debug=false 
> syslog=true, uid=114 euid=0
> May 23 00:14:46 cache0302 traffic_crashlog[20796]: traffic_crashlo NOTE: 
> crashlog started, target=20789, debug=false syslog=true, uid=114 euid=0
> May 23 00:14:46 cache0302 traffic_manager[21310]: [May 23 00:14:46.669] 
> traffic_crashlo NOTE: logging to 0x14f170d7b660
> May 23 00:14:46 cache0302 traffic_crashlog[20796]: traffic_crashlo NOTE: 
> logging to 0x14f170d7b660
> May 23 00:14:47 cache0302 traffic_manager[21310]: [May 23 00:14:47.825] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-23-001446.log
> May 23 00:14:47 cache0302 traffic_crashlog[20796]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-23-001446.log
> May 23 00:14:47 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 11 (Segmentation fault)
> May 23 00:14:47 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x18c9c6353ef0]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x69e99706b980]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel19finish_all_internalEP18HttpTunnelProducerb+0x177)[0x18c9c6422567]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM21tunnel_handler_serverEiP18HttpTunnelProducer+0x60c)[0x18c9c63b288c]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel16producer_handlerEiP18HttpTunnelProducer+0x58d)[0x18c9c641effd]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x14a)[0x18c9c641fb5a]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36d222)[0x18c9c6600222]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x56f)[0x18c9c66012cf]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x492)[0x18c9c65f3f92]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x18c9c663ff92]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x18c9c6641233]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x18c9c663f91a]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x69e9970606db]
> May 23 00:14:47 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x69e99624671f]
> May 23 00:14:51 cache0302 traffic_server[23441]: NOTE: --- traffic_server 
> Starting ---
> May 23 00:14:51 cache0302 traffic_server[23441]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 23 00:18:52 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 23 00:18:52 cache0302 traffic_server[23441]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 23 00:18:52 cache0302 traffic_manager[21310]: [May 23 00:18:52.120] 
> traffic_crashlo NOTE: crashlog started, target=23441, debug=false 
> syslog=true, uid=114 euid=0
> May 23 00:18:52 cache0302 traffic_manager[21310]: [May 23 00:18:52.120] 
> traffic_crashlo NOTE: logging to 0x12c5d40cced0
> May 23 00:18:52 cache0302 traffic_crashlog[23443]: traffic_crashlo NOTE: 
> crashlog started, target=23441, debug=false syslog=true, uid=114 euid=0
> May 23 00:18:52 cache0302 traffic_crashlog[23443]: traffic_crashlo NOTE: 
> logging to 0x12c5d40cced0
> May 23 00:18:53 cache0302 traffic_manager[21310]: [May 23 00:18:53.113] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-23-001852.log
> May 23 00:18:53 cache0302 traffic_crashlog[23443]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-23-001852.log
> May 23 00:18:53 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 23 00:18:53 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1b7f44513ef0]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x7244e5c04980]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7244e4cfcfb7]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7244e4cfe921]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x7244e7899b08]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x7244e78967d5]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x1b7f4458bd0b]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x1b7f447bfd32]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x1b7f447c1329]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x418)[0x1b7f447b3f18]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1b7f447fff92]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1b7f44801233]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1b7f447ff91a]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x7244e5bf96db]
> May 23 00:18:53 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7244e4ddf71f]
> May 23 00:18:56 cache0302 traffic_server[26362]: NOTE: --- traffic_server 
> Starting ---
> May 23 00:18:56 cache0302 traffic_server[26362]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)
> May 23 00:24:24 cache0302 traffic_manager[21310]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 23 00:24:24 cache0302 traffic_server[26362]: Fatal: HttpSM.cc:2533: 
> failed assertion `magic == HTTP_SM_MAGIC_ALIVE`
> May 23 00:24:24 cache0302 traffic_manager[21310]: [May 23 00:24:24.239] 
> traffic_crashlo NOTE: crashlog started, target=26362, debug=false 
> syslog=true, uid=114 euid=0
> May 23 00:24:24 cache0302 traffic_manager[21310]: [May 23 00:24:24.240] 
> traffic_crashlo NOTE: logging to 0x190a947ba530
> May 23 00:24:24 cache0302 traffic_crashlog[26365]: traffic_crashlo NOTE: 
> crashlog started, target=26362, debug=false syslog=true, uid=114 euid=0
> May 23 00:24:24 cache0302 traffic_crashlog[26365]: traffic_crashlo NOTE: 
> logging to 0x190a947ba530
> May 23 00:24:25 cache0302 traffic_manager[21310]: [May 23 00:24:25.274] 
> traffic_crashlo ERROR: wrote crash log to 
> /var/log/trafficserver/crash-2021-05-23-002424.log
> May 23 00:24:25 cache0302 traffic_crashlog[26365]: traffic_crashlo ERROR: 
> wrote crash log to /var/log/trafficserver/crash-2021-05-23-002424.log
> May 23 00:24:25 cache0302 traffic_manager[21310]: traffic_server: received 
> signal 6 (Aborted)
> May 23 00:24:25 cache0302 traffic_manager[21310]: traffic_server - STACK 
> TRACE:
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_Z19crash_logger_invokeiP9siginfo_tPv+0xa0)[0x1cf361726ef0]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)[0x6d01e9b4d980]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x6d01e8c45fb7]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x6d01e8c47921]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x52b08)[0x6d01eb7e2b08]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/lib/trafficserver/libtscore.so.8(+0x4f7d5)[0x6d01eb7df7d5]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN6HttpSM12main_handlerEiPv+0x3b)[0x1cf36179ed0b]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x36cd32)[0x1cf3619d2d32]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x5c9)[0x1cf3619d4329]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN10NetHandler19manage_active_queueEb+0x4ac)[0x1cf3619c524c]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN13InactivityCop16check_inactivityEiP5Event+0x272)[0x1cf3619c6d72]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread13process_eventEP5Eventi+0x92)[0x1cf361a12f92]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(_ZN7EThread15execute_regularEv+0x553)[0x1cf361a14233]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /usr/bin/traffic_server(+0x3ac91a)[0x1cf361a1291a]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x6d01e9b426db]
> May 23 00:24:25 cache0302 traffic_manager[21310]: 
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x6d01e8d2871f]
> May 23 00:24:28 cache0302 traffic_server[28956]: NOTE: --- traffic_server 
> Starting ---
> May 23 00:24:28 cache0302 traffic_server[28956]: NOTE: traffic_server 
> Version: Apache Traffic Server - traffic_server - 8.1.1 - (build # 040915 on 
> Apr  9 2021 at 15:49:55)

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