Karthik created QPID-8512:
-----------------------------
Summary: QPID threads hang on shutdown
Key: QPID-8512
URL: https://issues.apache.org/jira/browse/QPID-8512
Project: Qpid
Issue Type: Bug
Components: C++ Client
Environment: SuSE Linux Enterprise Server (SLES), Service Pack 2 (SP2)
Reporter: Karthik
QPID Threads in the client hang on shutdown. This issue seems to specifically
occur in SLES 12 SP2 (SuSE Linux Service Pack 2). It was working fine on SLES
15 SP1 and older versions like SLES11, 12 etc.
QPID Client/Broker Version: 0.8
On debugging into the QPID code, observed that the hang occurs in this function
and in the ::epoll_wait call.
{{}}
{{*qpid/sys/epoll/EpollPoller.cpp*{{}}}}
{{{{Poller::Event Poller::wait(Duration timeout) {}}}}
{{{{ .}}}}{{..}}
{{ *int rc = ::epoll_wait(impl->epollFd, &epe, 1, timeoutMs);*}}
{{ ...}}
{{}}}
Thread backtrace on shutdown which hang:
{{Thread }}{{8}} {{(Thread }}{{0x7fffe27fc700}} {{(LWP }}{{29944}}{{)):}}
{{#}}{{0}} {{0x00007ffff2dff126}} {{in epoll_pwait () from
/lib64/libc.so.}}{{6}}
{{#}}{{1}} {{0x00007ffff5abc461}} {{in qpid::sys::Poller::wait
(}}{{this}}{{=}}{{0x6eb230}}{{, timeout=...) at
qpid/sys/epoll/EpollPoller.cpp:}}{{568}}
{{#}}{{2}} {{0x00007ffff5abcf31}} {{in qpid::sys::Poller::run
(}}{{this}}{{=}}{{0x6eb230}}{{) at qpid/sys/epoll/EpollPoller.cpp:}}{{518}}
{{#}}{{3}} {{0x00007ffff5ab3caa}} {{in qpid::sys::(anonymous
namespace)::runRunnable (p=}}{{0x6}}{{) at qpid/sys/posix/Thread.cpp:}}{{35}}
{{#}}{{4}} {{0x00007ffff77b44f9}} {{in start_thread () from
/lib64/libpthread.so.}}{{0}}
{{#}}{{5}} {{0x00007ffff2dfefbf}} {{in clone () from /lib64/libc.so.}}{{6}}
{{Thread }}{{3}} {{(Thread }}{{0x7ffff1681700}} {{(LWP }}{{29939}}{{)):}}
{{#}}{{0}} {{0x00007ffff2dff126}} {{in epoll_pwait () from
/lib64/libc.so.}}{{6}}
{{#}}{{1}} {{0x00007ffff5abc461}} {{in qpid::sys::Poller::wait
(}}{{this}}{{=}}{{0x6eb230}}{{, timeout=...) at
qpid/sys/epoll/EpollPoller.cpp:}}{{568}}
{{#}}{{2}} {{0x00007ffff5abcf31}} {{in qpid::sys::Poller::run
(}}{{this}}{{=}}{{0x6eb230}}{{) at qpid/sys/epoll/EpollPoller.cpp:}}{{518}}
{{#}}{{3}} {{0x00007ffff5ab3caa}} {{in qpid::sys::(anonymous
namespace)::runRunnable (p=}}{{0x6}}{{) at qpid/sys/posix/Thread.cpp:}}{{35}}
{{#}}{{4}} {{0x00007ffff77b44f9}} {{in start_thread () from
/lib64/libpthread.so.}}{{0}}
{{#}}{{5}} {{0x00007ffff2dfefbf}} {{in clone () from /lib64/libc.so.}}{{6}}
{{Thread }}{{1}} {{(Thread }}{{0x7ffff7fb97c0}} {{(LWP }}{{29842}}{{)):}}
{{#}}{{0}} {{0x00007ffff77b58bd}} {{in pthread_join () from
/lib64/libpthread.so.}}{{0}}
{{#}}{{1}} {{0x00007ffff5ab3db3}} {{in qpid::sys::Thread::join
(}}{{this}}{{=<optimized out>) at qpid/sys/posix/Thread.cpp:}}{{70}}
{{#}}{{2}} {{0x00007ffff5716b09}} {{in qpid::client::(anonymous
namespace)::IOThread::~IOThread (}}{{this}}{{=}}{{0x7ffff597b6a0}}
{{<qpid::client::(anonymous namespace)::theIO()::io>, __in_chrg=<optimized
out>) at qpid/client/ConnectionImpl.cpp:}}{{140}}
{{#}}{{3}} {{0x00007ffff2d3f138}} {{in __run_exit_handlers () from
/lib64/libc.so.}}{{6}}
{{#}}{{4}} {{0x00007ffff2d3f18a}} {{in exit () from /lib64/libc.so.}}{{6}}
{{#}}{{5}} {{0x00007ffff2d27351}} {{in __libc_start_main () from
/lib64/libc.so.}}{{6}}
{{#}}{{6}} {{0x000000000040f179}} {{in _start () at
../sysdeps/x86_64/elf/start.S:}}{{113}}
{{}}
{{}}
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