Hello Khem,

On Sat, May 16, 2020 at 12:00 PM Khem Raj <[email protected]> wrote:
> On Wed, May 6, 2020 at 1:58 PM Otavio Salvador
> <[email protected]> wrote:
> >
> > Hello all,
> >
> > Adding Khem on Cc.
> >
> > On Wed, May 6, 2020 at 5:42 PM Andrey Zhizhikin <[email protected]> wrote:
> > > On Wed, May 6, 2020 at 10:29 PM Tom Hochstein <[email protected]> 
> > > wrote:
> > > >
> > > > We are no longer able to disable weston service with standard 
> > > > `systemctl disable [email protected]`.
> > >
> > > I've faced similar issues a while back, and also found out that weston
> > > has been actually started twice: once from udev, and once from
> > > systemd. At that time, I removed the udev locally on the EVK and
> > > didn't look further into it.
> > >
> > > > On boot the service is started again. It seems likely this started with 
> > > > the introduction of a starting udev rule:
> > > >
> > > > https://github.com/openembedded/openembedded-core/commit/aa3bced2e1de2f4ba507aa014835b06edccc138a#diff-d92aa97566c1bd0dd1eb817bb4511cda
> > > >
> > > > Is this behaving correctly? Can the rule be made to honor the service 
> > > > disablement?
> > >
> > > Or the other way around: can the systemd service be disabled? Or in
> > > general: is it possible to leave only one of those mechanisms, and
> > > which one is the correct one?
> >
> > Why the udev support was added and why this cannot be done in the service?
> >
>
> udev service integrates well when you have weston but for some reason
> no drm on machine so it only launches
> when system detects graphics/drm
>
> if you need to manually control it then disable the udev rule and it
> will show up disabled always and then can be managed
> manually.

I understand the use case you are intending to cover however:

- we now have two overlapping mechanisms to start the weston service
- we have more than a way to control the weston service

it is confusing and I don't foresee a easy way to disable the udev
service. How do you think it should be done?



--
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9 9981-7854          Mobile: +1 (347) 903-9750
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