On Mon, Jun 28, 2021 at 9:02 AM davide via Xenomai <xenomai@xenomai.org> wrote:
> > (sorry if I'm down-quoting, but I cannot write below here..) > I > agree with you, it's just I don't know how to debug this.. > > I'm looking > at /var/log/Xorg.0.log differences between the non-working situation Vs > a standard debian64bit working one: > first difference is -> working: > > [ > 5.854] (II) xfree86: Adding drm device (/dev/dri/card1) > [ 5.862] (II) > xfree86: Adding drm device (/dev/dri/card0) > > while those lines aren't > present in the NOT-working, and there is: > > [ 5.307] (EE) open > /dev/dri/card0: No such file or directory > > does that tells anything? > > Il > 28.06.2021 14:17 Greg Gallagher ha scritto: > > > On Mon, Jun 28, 2021 at > 8:12 AM davide via Xenomai wrote: > > > >> kernel comes from here: > >> > https://github.com/thanhtam-h/rpi4-xeno3 [1] > >> > >> One thing: even if > desktop isn't extended to the second screen, and > >> xrandr sees only a > 'default' screen > >> if I give: > >> > >> cat /dev/random > > >> /dev/fb1 > > >> the second screen gets filled.. > >> it sounds odd to me, because > >> > that means framebuffer is open and working. > >> So, what's going on > here? > >> > >> Il 28.06.2021 13:33 Greg Gallagher ha scritto: > >> > >> > > It's possible the > >> drivers aren't working in the kernel without ipipe, > you'll want to > >> confirm that first. If you didn't compile the kernel > yourself you'll > >> want to find the sources so you can debug.. > >> > > Greg > >> > >> Con Tiscali Mobile Smart 70 hai 70 GB in 4G, minuti > illimitati e 100 SMS a soli 7,99EUR al mese http://tisca.li/Smart70 > [2] > > > > This doesn't sound like a xenomai or ipipe issue, you'll have > to do some further debug and see if this issue is being caused by the > ipipe or xenomai. Right now what you have described doesn't sound like > an issue with the real-time core. > > Greg > > > > Con Tiscali Mobile Smart 70 hai 70 GB in 4G, minuti illimitati e 100 SMS a > soli 7,99€ al mese http://tisca.li/Smart70 > > Ok, you may be missing a driver or certain modules aren’t loaded yet. You could see if you can log an issue on the GitHub project you referenced. But this doesn’t look to be a xenomai or ipipe issue so this list probably won’t be able to help too much. Greg
