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Posted to dev@qpid.apache.org by "Cliff Jansen (JIRA)" <ji...@apache.org> on 2018/05/13 01:03:00 UTC
[jira] [Commented] (PROTON-1770) [cpp] win_iocp fix for seg fault
in reconnect test
[ https://issues.apache.org/jira/browse/PROTON-1770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16473323#comment-16473323 ]
Cliff Jansen commented on PROTON-1770:
--------------------------------------
Just a reminder note. Epoll version consists of many commits:
0774a4c 103cdd5 0666719 b6b3dd6 233855f
> [cpp] win_iocp fix for seg fault in reconnect test
> --------------------------------------------------
>
> Key: PROTON-1770
> URL: https://issues.apache.org/jira/browse/PROTON-1770
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding, proton-c
> Affects Versions: proton-c-0.20.0
> Reporter: Alan Conway
> Assignee: Cliff Jansen
> Priority: Major
> Labels: windows
> Fix For: proton-c-0.23.0
>
>
> See [https://issues.jboss.org/browse/ENTMQCL-600] for details and reproducer code, summary:
>
> Using the to be attached reproducer and broker configuration:
> Running amqsender
> ./amqsender <broker1> <broker2> <username> <password> <address> <frequency in microseconds>
> e.g.
> ./amqsender testbox111:5672 testbox111:5673 anon anon Q1 1
> You can reproduce the coredump with just one broker
> 1. keep slave down
> 2. start master broker
> 3. run amqsender with a very low frequency
> 4. kill master broker
> This should reproduce the coredump.
> The reproducer has events implemented for on_transport_close yet we see:
> {code}
> .
> .
> .
> [0x7fffec0169b0]:(PN_TRANSPORT, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_TRANSPORT, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_CONNECTION_WAKE, pn_connection<0x7fffec000b90>)
> AMQSender::on_connection_wake pn_connection<0x7fffec000b90>
> [0x7fffec0169b0]:(PN_TRANSPORT_TAIL_CLOSED, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_TRANSPORT_ERROR, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_TRANSPORT_HEAD_CLOSED, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_TRANSPORT_CLOSED, pn_transport<0x7fffec0169b0>)
> [0x7fffec0169b0]:(PN_CONNECTION_INIT, pn_connection<0x7fffec000b90>)
> Thread 1 "amqsender" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff72bcdd0 in pthread_mutex_lock () from /lib64/libpthread.so.0
> Missing separate debuginfos, use: dnf debuginfo-install cyrus-sasl-gssapi-2.1.26-26.2.fc24.x86_64 cyrus-sasl-lib-2.1.26-26.2.fc24.x86_64 cyrus-sasl-md5-2.1.26-26.2.fc24.x86_64 cyrus-sasl-plain-2.1.26-26.2.fc24.x86_64 cyrus-sasl-scram-2.1.26-26.2.fc24.x86_64 keyutils-libs-1.5.9-8.fc24.x86_64 krb5-libs-1.14.4-7.fc25.x86_64 libcom_err-1.43.3-1.fc25.x86_64 libcrypt-nss-2.24-4.fc25.x86_64 libdb-5.3.28-16.fc25.x86_64 libgcc-6.3.1-1.fc25.x86_64 libselinux-2.5-13.fc25.x86_64 libstdc++-6.3.1-1.fc25.x86_64 nss-softokn-freebl-3.28.3-1.1.fc25.x86_64 openssl-libs-1.0.2k-1.fc25.x86_64 pcre-8.40-5.fc25.x86_64 zlib-1.2.8-10.fc24.x86_64
> (gdb) bt
> #0 0x00007ffff72bcdd0 in pthread_mutex_lock () from /lib64/libpthread.so.0
> #1 0x00007ffff76dc4fa in lock (m=0x1a0) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/src/proactor/epoll.c:112
> #2 0x00007ffff76dcc09 in wake (ctx=0x7fffec2b8ac0) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/src/proactor/epoll.c:436
> #3 0x00007ffff76def0e in pn_connection_wake (c=0x7fffec000b90) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/src/proactor/epoll.c:1302
> #4 0x00007ffff7b81b82 in proton::container::impl::connection_work_queue::add (this=0x7fffec001d30, f=...) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/bindings/cpp/src/proactor_container_impl.cpp:118
> #5 0x00007ffff7bacde5 in proton::work_queue::add (this=0x7fffec001cd8, f=...) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/bindings/cpp/src/work_queue.cpp:43
> #6 0x000000000040536f in AMQSender::send (this=this@entry=0x7fffffffd960, strMsg="7578") at ../attachments/AMQSender.cpp:42
> #7 0x000000000040328f in main (argc=<optimized out>, argv=0x7fffffffdbd8) at ../attachments/amqsend.cpp:20
> (gdb) frame 2
> #2 0x00007ffff76dcc09 in wake (ctx=0x7fffec2b8ac0) at /home/rkieley/LocalProjects/src/rh/rh-qpid-proton/proton-c/src/proactor/epoll.c:436
> 436 lock(&p->eventfd_mutex);
> (gdb) print p
> $3 = (pn_proactor_t *) 0x0
> (gdb)
> {code}
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