Hi, Derick,

On Jun 07, Derick Turner via discuss wrote:
> Hi all,
> 
> Patching one of our spare servers this morning and ran into a couple of 
> issues.  The first was a complaint in the service status:
...
> Thread pointer: 0x0
> stack_bottom = 0x0 thread_stack 0x30000
> /usr/sbin/mariadbd(my_print_stacktrace+0x30)[0x5a41189db560]
> /usr/sbin/mariadbd(handle_fatal_signal+0x2a1)[0x5a4118574ae1]
> /lib/x86_64-linux-gnu/libc.so.6(+0x45330)[0x7650bf845330]
> /usr/sbin/mariadbd(+0x636615)[0x5a41180bb615]
> /usr/sbin/mariadbd(+0x1043036)[0x5a4118ac8036]
> /usr/sbin/mariadbd(+0xec468d)[0x5a411894968d]
> /usr/sbin/mariadbd(+0x622c5a)[0x5a41180a7c5a]
> /usr/sbin/mariadbd(+0xd9b926)[0x5a4118820926]
> /usr/sbin/mariadbd(_Z24ha_initialize_handlertonPv+0x8c)[0x5a411857717c]
> /usr/sbin/mariadbd(+0x8165b3)[0x5a411829b5b3]
> /usr/sbin/mariadbd(+0x8167a7)[0x5a411829b7a7]
> /usr/sbin/mariadbd(_Z11plugin_initPiPPci+0xbfc)[0x5a41182a1e3c]
> /usr/sbin/mariadbd(+0x6bbd65)[0x5a4118140d65]
> /usr/sbin/mariadbd(_Z11mysqld_mainiPPc+0xf79)[0x5a4118144f79]
> /lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca)[0x7650bf82a1ca]
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b)[0x7650bf82a28b]
> /usr/sbin/mariadbd(_start+0x25)[0x5a411811e865]
> Writing a core file...
> Working directory at /var/lib/mysql
> 
> Is there anything I'm missing before I raise this as a bug?

yes, please install dbgsym packages to get a better stack trace.
or load the core dump (that was written above) in gdb and run
`thread apply all bt`. Someone will ask you do it after you raise a bug
anyway, so you can as well be prepared.

Regards,
Sergei
Chief Architect, MariaDB Server
and secur...@mariadb.org
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