On Thu, Jul 06, 2017 at 02:17:41PM +0200, Christian Ehrhardt wrote: > On Thu, Jul 6, 2017 at 12:34 PM, Christian Ehrhardt < > [email protected]> wrote: > > To get there was complex, but the TL;DR to get into bad state is > > "invoke-rc.d libvirtd start" > > > > I checked and it does eventually nothing more "active" than: > $ systemctl start libvirtd.service > > But calling that manually didn't trigger anything. > > But doing so via invoke-rc.d still does trigger it on Ubuntu, yet this > simplified form does not trigger it on Debian. > (remember the remove/install loop triggered on both distributions, I > checked once more for sanity - it still does) > > So I went and checked what I considered the non active part of the calls > from invoke-rc.d in Ubuntu (since it felt closer to the root cause). > Turns out it was instead the daemon-reload. > > $ systemctl daemon-reload
That was the original cause for the failing autopkgtest as well: [email protected] See your original mail caatjj0kvf_5vf6rwctsyanyjh7ynk0pppmqm2z5s-nv9eba...@mail.gmail.com Cheers, -- Guido > > And that is true on both Distributions. > Summarizing he interim knowledge. > > 1. libvirtd has a bad status where it's service does not properly track > tasks somehow > 2. if restarted from this status it looses libvirt-lxc containers > 3. the following sequence seems to be the minimal one to demonstrate (short > enough to fit in the bug itself now) > > $ systemctl restart libvirtd; systemctl status -n 0 --no-pager libvirtd; > systemctl show libvirtd | grep ExecStart; systemctl daemon-reload; > systemctl status -n 0 --no-pager libvirtd; systemctl show libvirtd | grep > ExecStart > # output starting with good case > libvirtd.service - Virtualization daemon > Loaded: loaded (/lib/systemd/system/libvirtd.service; enabled; vendor > preset: enabled) > Active: active (running) since Thu 2017-07-06 08:12:34 EDT; 6ms ago > Docs: man:libvirtd(8) > http://libvirt.org > Main PID: 18229 (libvirtd) > Tasks: 17 (limit: 4915) > <<<< good case, also has pid=<number> in ExecStart > CGroup: /system.slice/libvirtd.service > ├─18229 /usr/sbin/libvirtd > └─18247 /usr/sbin/dnsmasq --version > ExecStart={ path=/usr/sbin/libvirtd ; argv[]=/usr/sbin/libvirtd > $libvirtd_opts ; ignore_errors=no ; start_time=[Thu 2017-07-06 08:12:34 > EDT] ; stop_time=[n/a] ; pid=18229 ; code=(null) ; status=0/0 } > # here is the daemon-reload > # after this is bad case: > libvirtd.service - Virtualization daemon > Loaded: loaded (/lib/systemd/system/libvirtd.service; enabled; vendor > preset: enabled) > Active: active (running) since Thu 2017-07-06 08:12:34 EDT; 143ms ago > Docs: man:libvirtd(8) > http://libvirt.org > Main PID: 18229 (libvirtd) > CGroup: /system.slice/libvirtd.service > └─18229 /usr/sbin/libvirtd > ExecStart={ path=/usr/sbin/libvirtd ; argv[]=/usr/sbin/libvirtd > $libvirtd_opts ; ignore_errors=no ; start_time=[n/a] ; stop_time=[n/a] ; > pid=0 ; code=(null) ; status=0/0 } > _______________________________________________ > Pkg-libvirt-maintainers mailing list > [email protected] > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-libvirt-maintainers

