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https://issues.apache.org/jira/browse/DISPATCH-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171925#comment-16171925
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Alan Conway commented on DISPATCH-814:
--------------------------------------
I can reproduce this easily with qpid-dispatch-0.8.0-3.fc26.src.rpm on fedora
26, script and stack trace below. I have not been able to reproduce it on
master, and the 0.8 stack trace refers to functions that don't exist on master
anyore (qd_server_pause) so I suspect it may be fixed already on master, unless
someone has reproduced it there.
{code}
#!/bin/sh
pkill qdrouterd
while true; do
qdrouterd&
sleep .1
qdstat -c
kill %%
wait
done
{code}
{code}
Thread 5 (Thread 0x7fd029774700 (LWP 4435)):
#0 __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1 0x00007fd0388c3e23 in __GI___pthread_mutex_lock (mutex=0x5587cdfc8480) at
../nptl/pthread_mutex_lock.c:80
#2 0x00007fd038d55659 in sys_mutex_lock () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#3 0x00007fd038d6cb84 in thread_run () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#4 0x00007fd0388c136d in start_thread (arg=0x7fd029774700) at
pthread_create.c:456
#5 0x00007fd037b82bbf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97
Thread 4 (Thread 0x7fd029fc5700 (LWP 4434)):
#0 0x00007fd0388c8836 in futex_wait (private=<optimized out>,
expected=<optimized out>, futex_word=0x5587cdfc62e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:61
#1 futex_wait_simple (private=<optimized out>, expected=<optimized out>,
futex_word=0x5587cdfc62e0) at ../sysdeps/nptl/futex-internal.h:135
#2 __condvar_acquire_lock (private=<optimized out>, cond=0x5587cdfc62c0) at
pthread_cond_common.c:281
#3 __pthread_cond_broadcast (cond=0x5587cdfc62c0) at
pthread_cond_broadcast.c:48
#4 0x00007fd038d557d9 in sys_cond_signal_all () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#5 0x00007fd038d6c391 in qd_server_pause () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#6 0x00005587cc5fe8ef in server_signal_handler ()
#7 0x00007fd038d6c7d8 in thread_run () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#8 0x00007fd0388c136d in start_thread (arg=0x7fd029fc5700) at
pthread_create.c:456
#9 0x00007fd037b82bbf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97
Thread 3 (Thread 0x7fd02a816700 (LWP 4433)):
#0 0x00007fd0388c790b in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5587cdfc62e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5587cdfc8480,
cond=0x5587cdfc62c0) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5587cdfc62c0, mutex=0x5587cdfc8480) at
pthread_cond_wait.c:655
#3 0x00007fd038d55759 in sys_cond_wait () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#4 0x00007fd038d6c9bb in thread_run () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#5 0x00007fd0388c136d in start_thread (arg=0x7fd02a816700) at
pthread_create.c:456
#6 0x00007fd037b82bbf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97
Thread 2 (Thread 0x7fd02b482700 (LWP 4430)):
#0 0x00007fd0388c790b in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5587cded00ec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x5587cdfc8d80,
cond=0x5587cded00c0) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x5587cded00c0, mutex=0x5587cdfc8d80) at
pthread_cond_wait.c:655
#3 0x00007fd038d55759 in sys_cond_wait () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#4 0x00007fd038d63345 in router_core_thread () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#5 0x00007fd0388c136d in start_thread (arg=0x7fd02b482700) at
pthread_create.c:456
#6 0x00007fd037b82bbf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97
Thread 1 (Thread 0x7fd0391841c0 (LWP 4428)):
#0 0x00007fd0388c8836 in futex_wait (private=<optimized out>,
expected=<optimized out>, futex_word=0x5587cdfc62e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:61
#1 futex_wait_simple (private=<optimized out>, expected=<optimized out>,
futex_word=0x5587cdfc62e0) at ../sysdeps/nptl/futex-internal.h:135
#2 __condvar_acquire_lock (private=<optimized out>, cond=0x5587cdfc62c0) at
pthread_cond_common.c:281
#3 __pthread_cond_broadcast (cond=0x5587cdfc62c0) at
pthread_cond_broadcast.c:48
#4 0x00007fd038d557d9 in sys_cond_signal_all () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#5 0x00007fd038d6c348 in qd_server_signal () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#6 <signal handler called>
#7 0x00007fd0388c8662 in futex_wait (private=<optimized out>, expected=5,
futex_word=0x5587cdfc62d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:61
#8 futex_wait_simple (private=<optimized out>, expected=5,
futex_word=0x5587cdfc62d4) at ../sysdeps/nptl/futex-internal.h:135
#9 __condvar_quiesce_and_switch_g1 (private=<optimized out>,
g1index=<synthetic pointer>, wseq=<optimized out>, cond=0x5587cdfc62c0) at
pthread_cond_common.c:413
#10 __pthread_cond_broadcast (cond=0x5587cdfc62c0) at
pthread_cond_broadcast.c:73
#11 0x00007fd038d557d9 in sys_cond_signal_all () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#12 0x00007fd038d6c348 in qd_server_signal () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#13 <signal handler called>
#14 0x00007fd0388c7909 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5587cdfc62ec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#15 __pthread_cond_wait_common (abstime=0x0, mutex=0x5587cdfc8480,
cond=0x5587cdfc62c0) at pthread_cond_wait.c:502
#16 __pthread_cond_wait (cond=0x5587cdfc62c0, mutex=0x5587cdfc8480) at
pthread_cond_wait.c:655
#17 0x00007fd038d55759 in sys_cond_wait () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#18 0x00007fd038d6c9bb in thread_run () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#19 0x00007fd038d6d380 in qd_server_run () from
/usr/lib/qpid-dispatch/libqpid-dispatch.so
#20 0x00005587cc5fea1b in main_process ()
#21 0x00005587cc5fe713 in main ()
{code}
> Killing qdrouterd process takes a long time
> -------------------------------------------
>
> Key: DISPATCH-814
> URL: https://issues.apache.org/jira/browse/DISPATCH-814
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Routing Engine
> Environment: This test runs in fedora 26 container.
> Reporter: Irina Boverman
>
> Often killing router fails to complete:
> ++ ps -C qdrouterd -o pid=
> + pid=' 1455'
> + kill 1455
> + set +e
> + wait 1455
> Build timed out (after 30 minutes). Marking the build as failed.
> Build was aborted
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