On Thu, 2 Apr 2020 10:35:49 +0300 Pekka Paalanen <ppaala...@gmail.com> wrote:
> On Wed, 1 Apr 2020 17:09:59 +0200 > Lennart Poettering <mzxre...@0pointer.de> wrote: > > > On Mi, 01.04.20 11:34, Pekka Paalanen (ppaala...@gmail.com) wrote: > > > > > > > Is there a way to order a service in such a way, that it’s guaranteed > > > > > that > > > > > udev rules to devices were applied? > > > > > > > > > > A small script applying permissions and ownership manually in > > > > > `ExecStartPre=` seems to work around the (graphics) issue. > > > > > > > > > > If it cannot be solved with ordering, what would you suggest? > > > > > > > > > > [1]: https://gitlab.freedesktop.org/wayland/weston/issues/382 > > > > > [2]: > > > > > https://gitlab.freedesktop.org/wayland/weston/-/blob/master/libweston/backend-drm/kms.c#L741 > > > > > > > > > > > > > Ideally Weston would just wait for devices assigned to the seat it > > > > shall run on to appear to make this all safe. > > > > > > Hi, > > > > > > there is an issue open about something like that: > > > https://gitlab.freedesktop.org/wayland/weston/-/issues/173 > > > > > > If I understand it right, waiting for CanGraphical allows Weston's > > > DRM-backend to wait for any DRM device to appear on the seat, so that > > > you don't need to hardcode in advance which DRM device to depend on. > > > > I don't think you need to wait for CanGraphical. I mean, the value of > > that field just reflects whether at least one DRM or other graphical > > device was discovered associated with the seat. > > Hi, > > what other graphical devices than DRM devices? Or is that for the > sysadmin to decide somehow? Actually, seems like using CanGraphical was your idea: https://gitlab.gnome.org/GNOME/gdm/issues/103 I guess things have changed in 7 years. > What is CanGraphical useful for then? I've never really read about it, > I only saw the GNOME Mutter MR and assumed it was a good idea. Thanks, pq
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