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https://issues.apache.org/jira/browse/DISPATCH-1927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17271871#comment-17271871
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ASF GitHub Bot commented on DISPATCH-1927:
------------------------------------------
ChugR commented on pull request #997:
URL: https://github.com/apache/qpid-dispatch/pull/997#issuecomment-766902938
This patch reveals other problems. Letting the test run longer leads to a
nasty crash:
` Core was generated by qdrouterd -c A.conf`
`Program terminated with signal SIGSEGV, Segmentation fault.`
`warning: Unexpected size of section `.reg-xstate/800006' in core file.`
`#0 0x00007f4ed2f7db8d in qd_alloc_init (desc=0x9999999999999999) at
/home/chug/git/qpid-dispatch/src/alloc_pool.c:269`
`269 sys_mutex_lock(init_lock);`
`[Current thread is 1 (Thread 0x7f4ec4863700 (LWP 800006))]`
`(gdb) bt`
`#0 0x00007f4ed2f7db8d in qd_alloc_init (desc=0x9999999999999999) at
/home/chug/git/qpid-dispatch/src/alloc_pool.c:269`
`#1 0x00007f4ed2fccd67 in deactivate_route_connection
(core=0x9999999999999999, conn=0x9999999999999999, cid=0x7f4ed2fccd67
<deactivate_route_connection+101>) at
/home/chug/git/qpid-dispatch/src/router_core/route_control.c:626`
`#2 0x00007f4ed2fbecaa in _receiver_second_attach_CT
(context=0x7f4ed2fbecaa <_receiver_second_attach_CT+155>,
remote_source=0x7f4ec4862140, remote_target=0x7f4ed2fd2a53
<qdr_global_stats_request_CT+532>)
at /home/chug/git/qpid-dispatch/src/router_core/core_client_api.c:423`
`#3 0x00007f4ed2fbf77d in _receiver_detached_CT
(client_context=0x7f4eb40cb8d0, error=0x7f4eb40cb8d0) at
/home/chug/git/qpid-dispatch/src/router_core/core_client_api.c:620`
`#4 0x00007f4ed2fb6e97 in qdr_link_first_attach (conn=0x136b4a0,
dir=(unknown: 32590), source=0x0, target=0x0, name=0x0, terminus_addr=0x0,
no_route=208, initial_delivery=0x7f00d3048140, link_id=0x7f4eb403a050)
at /home/chug/git/qpid-dispatch/src/router_core/connections.c:589`
`#5 0x00007f4ed2fbaee5 in qdr_link_inbound_first_attach_CT (core=0x1,
action=0x0, discard=78) at
/home/chug/git/qpid-dispatch/src/router_core/connections.c:1696`
`#6 0x00007f4ed2fd2d04 in qdr_protocol_adaptor (core=0x7f4ec0247810,
name=0x0, context=0x2, activate=0x7f4eb403a050, first_attach=0x7f4eb005ca90,
second_attach=0x7f4eb005a910, detach=0x0, flow=0x13d7b50, offer=0x0,
drained=0x0,
drain=0x0, push=0x7f4ed2e754e2 <start_thread+226>, deliver=0x0,
get_credit=0x7f4ec4863700, delivery_update=0x7f4ec4863700,
conn_close=0x650f95d19ef944ca, conn_trace=0x7fff8d30d4de)
at /home/chug/git/qpid-dispatch/src/router_core/router_core.c:1030`
`#7 0x00007f4ed2fa57be in remote_sasl_max_encrypt_size
(transport=0x7f4ed2fa57be <remote_sasl_max_encrypt_size+4>) at
/home/chug/git/qpid-dispatch/src/remote_sasl.c:469`
`#8 0x00000000013d7b50 in ?? ()`
`#9 0x0000000000000000 in ?? ()`
`(gdb) `
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> TCP adaptor Assertion `(link->undelivered).head' failed.
> --------------------------------------------------------
>
> Key: DISPATCH-1927
> URL: https://issues.apache.org/jira/browse/DISPATCH-1927
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Protocol Adaptors, Router Node
> Environment: Fedora 31
> Reporter: Charles E. Rolke
> Priority: Major
>
> Test setup:
> * Proton git: branch master @ 5e7d7af8f
> * Dispatch git: branch master @ ec39e5e
> * Debug build
> * Running the configuration described in DISPATCH-1777
> Seven clients run TCP_echo_client continuously against the server:
> * Four run --size 0
> * One runs --size 100
> * One runs --size 100000
> * One runs --size 1000000
> Eventually the router running the tcpConnector fails with the assertion.
> Tail of the router log:
> {code:java}
> Two router setup with a TCP listener on one router and a TCP connector on the
> other router.
> This is the log from the second tcpConnector router
> Here comes a message from core to TCP needing a new connection to egress
> server
> 2021-01-22 09:37:57.979054 -0500 TCP_ADAPTOR (debug) [C1] on_activate
> 2021-01-22 09:37:57.979594 -0500 TCP_ADAPTOR (debug) [C1][L1] qdr_tcp_push
> 2021-01-22 09:37:57.979619 -0500 TCP_ADAPTOR (debug) [C1][L1][D46793]
> qdr_tcp_deliver Delivery event
> 2021-01-22 09:37:57.979641 -0500 TCP_ADAPTOR (debug) [C1][L1][D46793]
> tcp_adaptor initiating egress connection
> 2021-01-22 09:37:57.979671 -0500 TCP_ADAPTOR (info) [C11768] Connecting to:
> 127.0.0.1:9090
> 2021-01-22 09:37:57.979789 -0500 TCP_ADAPTOR (debug) [C11767]
> qdr_tcp_activate: waking raw connection
> 2021-01-22 09:37:57.979974 -0500 TCP_ADAPTOR (info) [C11768]
> PN_RAW_CONNECTION_CONNECTED Egress connected to 127.0.0.1:9090
> 2021-01-22 09:37:57.980003 -0500 TCP_ADAPTOR (info) [C11768] Opening
> server-side core connection 127.0.0.1:9090
> 2021-01-22 09:37:57.980057 -0500 ROUTER_CORE (info) [C11768] Connection
> Opened: dir=out host=127.0.0.1:9090 vhost= encrypted=no auth=no user=
> container_id=TcpAdaptor props=
> Delivery is handed off to new connection/link
> 2021-01-22 09:37:57.980153 -0500 TCP_ADAPTOR (debug) [C1][L1][D46793]
> initial_delivery ownership passed to [C11768][L23564][D46793]
> 2021-01-22 09:37:57.980191 -0500 TCP_ADAPTOR (debug) [C11768]
> PN_RAW_CONNECTION_NEED_WRITE_BUFFERS
> 2021-01-22 09:37:57.980215 -0500 TCP_ADAPTOR (debug) [C11768]
> PN_RAW_CONNECTION_NEED_READ_BUFFERS
> 2021-01-22 09:37:57.980243 -0500 TCP_ADAPTOR (debug) [C11768][L23564] Waiting
> for credit to initiate message
> POOF! link_process_delivery has no deliveries yet.
> This is happening too soon. Probably.
> qdrouterd: /home/chug/git/qpid-dispatch/src/router_core/transfer.c:231:
> qdr_link_process_deliveries: Assertion `(link->undelivered).head' failed.
> from gdb: delivery_id = 46793, link_id = 23564, conn_id = 11768 or:
> [C11768][L23564][D46793] for failed process
> Moments later the rest of the connection/link setup happens
> 2021-01-22 09:37:57.980312 -0500 ROUTER_CORE (info) [C11768][L23564] Link
> attached: dir=out source={foo expire:link} target={<none> expire:link}
> 2021-01-22 09:37:57.980332 -0500 TCP_ADAPTOR (debug) [C11768]
> qdr_tcp_activate: waking raw connection
> 2021-01-22 09:37:57.980356 -0500 TCP_ADAPTOR (debug) [C11767]
> qdr_tcp_activate: waking raw connection
> 2021-01-22 09:37:57.980386 -0500 TCP_ADAPTOR (debug) [C11768]
> PN_RAW_CONNECTION_WAKE
> 2021-01-22 09:37:57.980404 -0500 TCP_ADAPTOR (debug) [C11768][L23564]
> qdr_tcp_second_attach
> 2021-01-22 09:37:57.980430 -0500 TCP_ADAPTOR (debug) [C11768][L23564]
> qdr_tcp_get_credit: NOOP
> 2021-01-22 09:37:57.980453 -0500 TCP_ADAPTOR (debug) [C11768][L23564]
> qdr_tcp_push
> 2021-01-22 09:37:57.980471 -0500 TCP_ADAPTOR (debug) [C11768][L23564][D46793]
> qdr_tcp_deliver Delivery event
> 2021-01-22 09:37:57.980563 -0500 TCP_ADAPTOR (debug) [C11768][L23565] Create
> Link to amqp:/_topo/0/router-b/temp.tsMXbvjL9M01_l8
> 2021-01-22 09:37:57.980591 -0500 TCP_ADAPTOR (debug) [C11768][L23564] Waiting
> for credit to initiate message
> 2021-01-22 09:37:57.980621 -0500 TCP_ADAPTOR (debug) [C11768] Writing 2040
> bytes
> 2021-01-22 09:37:57.980640 -0500 TCP_ADAPTOR (debug) [C11768] Writing 2048
> bytes
> 2021-01-22 09:37:57.980657 -0500 TCP_ADAPTOR (debug) [C11768] Writing 2048
> bytes
> 2021-01-22 09:37:57.980674 -0500 TCP_ADAPTOR (debug) [C11768] Writing 1104
> bytes
> 2021-01-22 09:37:57.980691 -0500 TCP_ADAPTOR (debug) [C11768][L23564]
> qdr_tcp_get_credit: NOOP
> Aborted (core dumped){code}
>
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