Hello Andrew,
I just reviewed the core file that you provided. Thread 1 is the thread that
panics
on assertion because sock.pending_send is already set. This is the condition I
prevented
in the PPA, so *shouldn't* be hitting the frame 3
In my test systems I don't hit this condition, dispatch_send isn't called if
pending_send
is set.
(gdb) thread 1
[Switching to thread 1 (Thread 0x7f39a41f5700 (LWP 18780))]
#1 0x00007f39a4dd1859 in __GI_abort () at abort.c:79
79 in abort.c
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007f39a4dd1859 in __GI_abort () at abort.c:79
#2 0x00007f39a4faf985 in isc_assertion_failed (file=<optimized out>,
line=<optimized out>, type=<optimized out>, cond=<optimized out>) at
../../../lib/isc/assertions.c:52
#3 0x00007f39a4feb7e1 in dispatch_send (sock=0x7f39a4a03730) at
../../../../lib/isc/unix/socket.c:3380
#4 process_fd (writeable=<optimized out>, readable=<optimized out>, fd=0,
manager=0x7f39a49fa010) at ../../../../lib/isc/unix/socket.c:4054
#5 process_fds (writefds=<optimized out>, readfds=0x16, maxfd=-1533038191,
manager=0x7f39a49fa010) at ../../../../lib/isc/unix/socket.c:4211
#6 watcher (uap=0x7f39a49fa010) at ../../../../lib/isc/unix/socket.c:4397
[...]
(gdb) frame 3
#3 0x00007f39a4feb7e1 in dispatch_send (sock=0x7f39a4a03730) at
../../../../lib/isc/unix/socket.c:3380
3380 ../../../../lib/isc/unix/socket.c: No such file or directory.
(gdb) info locals
iev = 0x0
ev = <optimized out>
sender = 0x2
iev = <optimized out>
ev = <optimized out>
sender = <optimized out>
(gdb) p sock
$1 = (isc__socket_t *) 0x7f39a4a03730
(gdb) p sock.pending_send
$2 = 1
Can you check your library links, etc?
ubuntu@dhcpd1:~$ ldd /usr/sbin/dhcpd | grep export
libirs-export.so.161 => /lib/x86_64-linux-gnu/libirs-export.so.161
(0x00007f5cb62e5000)
libdns-export.so.1109 => /lib/x86_64-linux-gnu/libdns-export.so.1109
(0x00007f5cb60b0000)
libisc-export.so.1105 => /lib/x86_64-linux-gnu/libisc-export.so.1105
(0x00007f5cb6039000)
libisccfg-export.so.163 =>
/lib/x86_64-linux-gnu/libisccfg-export.so.163 (0x00007f5cb5df5000)
ubuntu@dhcpd1:~$ dpkg -S /lib/x86_64-linux-gnu/libisc-export.so.1105
libisc-export1105:amd64: /lib/x86_64-linux-gnu/libisc-export.so.1105
ubuntu@dhcpd1:~$ apt-cache policy libisc-export1105 | grep -i ppa
Installed: 1:9.11.16+dfsg-3~ppa1
Candidate: 1:9.11.16+dfsg-3~ppa1
*** 1:9.11.16+dfsg-3~ppa1 500
500 http://ppa.launchpad.net/niedbalski/1872188-dbg/ubuntu focal/main
amd64 Packages
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https://bugs.launchpad.net/bugs/1872118
Title:
DHCP Cluster crashes after a few hours
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