I had looked at https://wiki.debian.org/HowToGetABacktrace but I might be missing something obvious.
https://packages.debian.org/search?keywords=mariadb-server-core-10.3 shows mariadb-server-core-10.3-dbgsym to be only available for sid, but I am on buster. # apt update Hit:4 http://deb.debian.org/debian-debug buster-debug InRelease Get:9 http://deb.debian.org/debian-debug buster-proposed-updates-debug InRelease [40.2 kB] Get:12 http://deb.debian.org/debian-debug buster-proposed-updates-debug/main amd64 Packages [59.9 kB] # apt install mariadb-server-core-10.3-dbgsym Reading package lists... Done Building dependency tree Reading state information... Done Package mariadb-server-core-10.3-dbgsym is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'mariadb-server-core-10.3-dbgsym' has no installation candidate # apt-cache search mariadb-server-core dbg # find-dbgsym-packages /usr/sbin/mysqld W: No dbg package for source 'libgpg-error' W: Cannot find debug package for /lib/x86_64-linux-gnu/libgpg-error.so.0 (0b8984cf2f0dd4f4901e9100cdb9410d7ebe7930) W: No dbg package for source 'systemd' W: Cannot find debug package for /lib/x86_64-linux-gnu/libsystemd.so.0 (6793bb7adf4f0ec3b4e32e8fa455f8f404670c9a) W: No dbg package for source 'libgcrypt20' W: Cannot find debug package for /lib/x86_64-linux-gnu/libgcrypt.so.20 (c698702313bfded270bf0c7c106b38c66aa46982) W: No dbg package for source 'snappy' W: Cannot find debug package for /usr/lib/x86_64-linux-gnu/libsnappy.so.1 (5cace6e4a1b7e4056635f7c863aca22a16c8269e) W: No dbg package for source 'mariadb-10.3' W: Cannot find debug package for /usr/sbin/mysqld (9236e06e9ef547c2834e1485de16215016ee3a78) W: No dbg package for source 'libaio' W: Cannot find debug package for /usr/lib/x86_64-linux-gnu/libaio.so.1 (9a169b1c42a22a3575cdda12b7bed7d99e72221c) W: No dbg package for source 'xz-utils' W: Cannot find debug package for /lib/x86_64-linux-gnu/liblzma.so.5 (a465b446328312ea341abff3436660ef4103479a) libgcc1-dbg liblz4-1-dbg libpcre3-dbg libstdc++6-8-dbg zlib1g-dbg
