Hi Bryce,
Thanks a lot for your support, it looks this issue only happen in specific
situation when reload unbound, after doing a full restart for all unbound
service, we've not see the issue in last few days.
Below is core dump [1] info during the issue(there are 4 threads and the first
one was hanging the resets were woking well), hope that helpful if people met
the same issue.
Understood, putting the new version into PPA is ok for us, Thanks again.
[1] coredump of unbound service
(gdb) thread 1
[Switching to thread 1 (Thread 0x7f724cb9f0c0 (LWP 79697))]
#0 __GI___libc_read (nbytes=4, buf=0x7ffc256a5ec0, fd=13) at
../sysdeps/unix/sysv/linux/read.c:26
26 in ../sysdeps/unix/sysv/linux/read.c
(gdb) bt
#0 __GI___libc_read (nbytes=4, buf=0x7ffc256a5ec0, fd=13) at
../sysdeps/unix/sysv/linux/read.c:26
#1 __GI___libc_read (fd=fd@entry=13, buf=buf@entry=0x7ffc256a5ec0,
nbytes=nbytes@entry=4) at ../sysdeps/unix/sysv/linux/read.c:24
#2 0x000055cba8f56933 in read (__nbytes=<optimized out>, __buf=<optimized
out>, __fd=<optimized out>, __fd=<optimized out>, __buf=<optimized out>,
__nbytes=<optimized out>)
at /usr/include/x86_64-linux-gnu/bits/unistd.h:38
#3 tube_read_msg.constprop.0.isra.0 (buf=0x7ffc256a5ec8, len=0x7ffc256a5ec0,
nonblock=0, tube=<optimized out>, tube=<optimized out>) at util/tube.c:355
#4 0x000055cba8e89fe7 in server_stats_obtain (reset=0, s=0x7ffc256a5ef0,
who=0x55cbab8a37e0, worker=0x55cbad466190) at daemon/stats.c:382
#5 do_stats (ssl=0x7ffc256a8cb0, worker=0x55cbad466190, reset=0) at
daemon/remote.c:1106
#6 0x000055cba8f66e67 in handle_req.isra.0 (rc=rc@entry=0x55cba90c4130,
res=res@entry=0x7ffc256a8cb0, s=<optimized out>, s=<optimized out>) at
daemon/remote.c:3204
#7 0x000055cba8e8e814 in remote_control_callback (c=0x55cbae07aa00,
arg=0x55cbac7dafc0, err=<optimized out>, rep=<optimized out>) at
daemon/remote.c:3286
#8 0x00007f724dcb6f58 in event_persist_closure (ev=<optimized out>,
base=0x55cbaafcbda0) at
/build/libevent-aonuXH/libevent-2.1.12-stable/event.c:1623
#9 event_process_active_single_queue (base=base@entry=0x55cbaafcbda0,
activeq=0x55cbabf16fc0, max_to_process=max_to_process@entry=2147483647,
endtime=endtime@entry=0x0)
at /build/libevent-aonuXH/libevent-2.1.12-stable/event.c:1682
#10 0x00007f724dcb88a7 in event_process_active (base=0x55cbaafcbda0) at
/build/libevent-aonuXH/libevent-2.1.12-stable/event.c:1783
#11 event_base_loop (base=0x55cbaafcbda0, flags=flags@entry=0) at
/build/libevent-aonuXH/libevent-2.1.12-stable/event.c:2006
#12 0x00007f724dcb8afb in event_base_dispatch (event_base=<optimized out>) at
/build/libevent-aonuXH/libevent-2.1.12-stable/event.c:1817
#13 0x000055cba8f56c2d in ub_event_base_dispatch (base=<optimized out>) at
util/ub_event.c:280
#14 comm_base_dispatch.isra.0 (b=<optimized out>, b=<optimized out>) at
util/netevent.c:246
#15 0x000055cba8e87146 in worker_work (worker=<optimized out>) at
daemon/worker.c:1949
#16 daemon_fork (daemon=<optimized out>) at daemon/daemon.c:701
#17 0x000055cba8e93c60 in run_daemon (cfgfile=0x55cba8f6adc9
"/etc/unbound/unbound.conf", cmdline_verbose=0, debug_mode=1, need_pidfile=0)
at daemon/unbound.c:707
#18 0x000055cba8e811f5 in main (argc=<optimized out>, argv=0x7ffc256a91b8) at
daemon/unbound.c:808
(gdb)
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https://bugs.launchpad.net/bugs/2080494
Title:
Hang in Unbound 1.13.1
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