Re: [Xen-devel] [PATCH] tools/hotplug: update systemd dependency to use service instead of socket

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Dec 02, 2014 at 03:44:55PM +0000, Ian Campbell wrote:
> On Tue, 2014-12-02 at 16:39 +0100, Olaf Hering wrote:
> > Since commit 4542ae340d75bd6319e3fcd94e6c9336e210aeef ("tools/hotplug:
> > systemd xenstored dependencies") all service files use the .socket unit
> > as startup dependency. While this happens to work for boot it fails for
> > shutdown because a .socket does not seem to enforce ordering. When
> > xendomains.service runs during shutdown then systemd will stop
> > xenstored.service at the same time.
> > 
> > Change all "xenstored.socket" to "xenstored.service" to let systemd know
> > that xenstored has to be shutdown after everything else.
> > 
> > Reported-by: Mark Pryor <tlviewer@xxxxxxxxx>
> > Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
> > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> 
> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> > Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> > ---
> > 
> > This should go into 4.5 to fix xendomains.service.
> 
> CCing Konrad...

CC-ing Michael.

Michael, since Fedora is using systemd, did you observe this bug as well?
(I think I did, but I might have blamed it on my wacky setup).

> 
> > 
> >  tools/hotplug/Linux/systemd/xen-init-dom0.service.in              | 4 ++--
> >  tools/hotplug/Linux/systemd/xen-qemu-dom0-disk-backend.service.in | 4 ++--
> >  tools/hotplug/Linux/systemd/xenconsoled.service.in                | 4 ++--
> >  tools/hotplug/Linux/systemd/xendomains.service.in                 | 4 ++--
> >  4 files changed, 8 insertions(+), 8 deletions(-)
> > 
> > diff --git a/tools/hotplug/Linux/systemd/xen-init-dom0.service.in 
> > b/tools/hotplug/Linux/systemd/xen-init-dom0.service.in
> > index 4d4cb23..3befadc 100644
> > --- a/tools/hotplug/Linux/systemd/xen-init-dom0.service.in
> > +++ b/tools/hotplug/Linux/systemd/xen-init-dom0.service.in
> > @@ -1,7 +1,7 @@
> >  [Unit]
> >  Description=xen-init-dom0, initialise Dom0 configuration (xenstore nodes, 
> > JSON configuration stub)
> > -Requires=xenstored.socket proc-xen.mount
> > -After=xenstored.socket proc-xen.mount
> > +Requires=xenstored.service proc-xen.mount
> > +After=xenstored.service proc-xen.mount
> >  ConditionPathExists=/proc/xen/capabilities
> >  
> >  [Service]
> > diff --git 
> > a/tools/hotplug/Linux/systemd/xen-qemu-dom0-disk-backend.service.in 
> > b/tools/hotplug/Linux/systemd/xen-qemu-dom0-disk-backend.service.in
> > index 6b9c96e..0a5807a 100644
> > --- a/tools/hotplug/Linux/systemd/xen-qemu-dom0-disk-backend.service.in
> > +++ b/tools/hotplug/Linux/systemd/xen-qemu-dom0-disk-backend.service.in
> > @@ -1,7 +1,7 @@
> >  [Unit]
> >  Description=qemu for xen dom0 disk backend
> > -Requires=proc-xen.mount xenstored.socket
> > -After=proc-xen.mount xenstored.socket xenconsoled.service
> > +Requires=proc-xen.mount xenstored.service
> > +After=proc-xen.mount xenstored.service xenconsoled.service
> >  Before=xendomains.service libvirtd.service libvirt-guests.service
> >  RefuseManualStop=true
> >  ConditionPathExists=/proc/xen/capabilities
> > diff --git a/tools/hotplug/Linux/systemd/xenconsoled.service.in 
> > b/tools/hotplug/Linux/systemd/xenconsoled.service.in
> > index 2c5d99f..cb44cd6 100644
> > --- a/tools/hotplug/Linux/systemd/xenconsoled.service.in
> > +++ b/tools/hotplug/Linux/systemd/xenconsoled.service.in
> > @@ -1,7 +1,7 @@
> >  [Unit]
> >  Description=Xenconsoled - handles logging from guest consoles and 
> > hypervisor
> > -Requires=proc-xen.mount xenstored.socket
> > -After=proc-xen.mount xenstored.socket
> > +Requires=proc-xen.mount xenstored.service
> > +After=proc-xen.mount xenstored.service
> >  ConditionPathExists=/proc/xen/capabilities
> >  
> >  [Service]
> > diff --git a/tools/hotplug/Linux/systemd/xendomains.service.in 
> > b/tools/hotplug/Linux/systemd/xendomains.service.in
> > index 757278f..9962671 100644
> > --- a/tools/hotplug/Linux/systemd/xendomains.service.in
> > +++ b/tools/hotplug/Linux/systemd/xendomains.service.in
> > @@ -1,7 +1,7 @@
> >  [Unit]
> >  Description=Xendomains - start and stop guests on boot and shutdown
> > -Requires=proc-xen.mount xenstored.socket
> > -After=proc-xen.mount xenstored.socket xenconsoled.service 
> > xen-init-dom0.service
> > +Requires=proc-xen.mount xenstored.service
> > +After=proc-xen.mount xenstored.service xenconsoled.service 
> > xen-init-dom0.service
> >  ConditionPathExists=/proc/xen/capabilities
> >  
> >  [Service]
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> 
> 

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