Thanks so far!
``` $ ldd /usr/lib/x86_64-linux-gnu/libmysqlclient.so.20 linux-vdso.so.1 => (0x00007ffdb0fc4000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007ff76e52c000) libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007ff76e312000) libssl.so.1.0.0 => /lib/x86_64-linux-gnu/libssl.so.1.0.0 (0x00007ff76e0a9000) libcrypto.so.1.0.0 => /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007ff76dc64000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ff76da47000) libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007ff76d6c5000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007ff76d3bc000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007ff76d1a6000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff76cddc000) /lib64/ld-linux-x86-64.so.2 (0x00007ff76ece7000) ```
In failure mode 1, I see only 1 process stuck in libmysqlclient, in failure mode 2 only 3. Could that explain Kamailio to be deadlocked completely (on either TLS or UDP level) even though there are more workers available?