Chris, I don't use KDE, so I will need a little of your help.
Could you do on a running system: ps uax | grep $(pidof -c /usr/sbin/mysqld) and is there a difference between: pidof /usr/sbin/mysqld and pidof -c /usr/sbin/mysqld ? Cheers, -- Ondřej Surý <ond...@sury.org> Knot DNS (https://www.knot-dns.cz/) – a high-performance DNS server Knot Resolver (https://www.knot-resolver.cz/) – secure, privacy-aware, fast DNS(SEC) resolver Vše pro chleba (https://vseprochleba.cz) – Mouky ze mlýna a potřeby pro pečení chleba všeho druhu On Thu, May 4, 2017, at 03:17, chris wrote: > Package: mariadb-server-10.1 > Version: 10.1.22-4 > Severity: important > > Dear Maintainer, > > Upgrade from 1 month old version failed. > > Installation says: > > There is a MySQL server running, but we failed in our attempts to stop > it. > Stop it yourself and try again! > > and fails. > > When looking at: > /var/lib/dpkg/info/mariadb-server-10.1.prerm > one can see: > invoke-rc.d mysql stop > pidof -c /usr/sbin/mysqld > > Executing those lines myself, I get: > # invoke-rc.d mysql stop; pidof -c /usr/sbin/mysqld > 3174 > > Similarly: > # systemctl stop mariadb.service; pidof -c /usr/sbin/mysqld > 3174 > > However I could stop the sever as a plain user: > $ akonadictl stop > > Verify it is stopped: > # pidof -c /usr/sbin/mysqld > > Then the upgrade worked flawlessly: > # apt-get upgrade > > A very verbose description can be found there: > https://lists.debian.org/debian-kde/2017/05/msg00000.html > > > Best, > Chris > > > > -- System Information: > Debian Release: 9.0 > APT prefers unstable > APT policy: (500, 'unstable'), (500, 'testing') > Architecture: amd64 > (x86_64) > > Kernel: Linux 4.9.0-2-amd64 (SMP w/4 CPU cores) > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: > LC_ALL set to en_US.UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages mariadb-server-10.1 depends on: > ii adduser 3.115 > ii debconf [debconf-2.0] 1.5.60 > ii galera-3 25.3.20-1 > ii gawk 1:4.1.4+dfsg-1 > ii init-system-helpers 1.48 > ii iproute2 4.9.0-1 > ii libaio1 0.3.110-3 > ii libc6 2.24-10 > ii libdbi-perl 1.636-1+b1 > ii libpam0g 1.1.8-3.5 > ii libstdc++6 6.3.0-16 > ii lsb-base 9.20161125 > ii lsof 4.89+dfsg-0.1 > ii mariadb-client-10.1 10.1.22-4 > ii mariadb-common 10.1.22-4 > ii mariadb-server-core-10.1 10.1.22-4 > ii passwd 1:4.4-4 > ii perl 5.24.1-2 > ii psmisc 22.21-2.1+b2 > ii rsync 3.1.2-2 > ii socat 1.7.3.1-2+b1 > ii zlib1g 1:1.2.8.dfsg-5 > > Versions of packages mariadb-server-10.1 recommends: > ii libhtml-template-perl 2.95-2 > > Versions of packages mariadb-server-10.1 suggests: > ii bsd-mailx [mailx] 8.1.2-0.20160123cvs-4 > pn mariadb-test <none> > pn netcat-openbsd <none> > pn tinyca <none> > > -- debconf information: > mariadb-server-10.1/postrm_remove_databases: false > mariadb-server-10.1/nis_warning: > mariadb-server-10.1/old_data_directory_saved: >