<div dir="ltr"><div><div><div>Hi Daniel,<br><br></div>I've an interesting update... if I try use gdm as a display manager with wayland I also get "libGL error: failed to authenticate magic 1", but if I use lightdm as a display manager I am able to properly use openGL acceleration.<br></div>So this seems to have with some kind of initialization that lightdm does, that gdm doesn't. Maybe an issue with wayland?</div><div><br></div><div>This way it doesn't look like a mesa issue, but rather some sort of initialization or configuration, thus compiling mesa is likely not to solve this issue.</div><div><br></div>Luis<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Nov 3, 2017 at 8:49 AM, Luís Mendes <span dir="ltr"><<a href="mailto:luis.p.mendes@gmail.com" target="_blank">luis.p.mendes@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>Hi Daniel,<br><br></div>Ok, so the permissions of /dev/dri look good.<br></div>So the error "failed to export dumb buffer: Permission denied" has nothing to do with card permissions, so it must have to do with the app you are using for testing that requires permissions to write files, it seems, otherwise it seems to be working.</div><div>kmscube probably wants to write a file to the folder where it is installed (/usr/bin?) but needs root permission to do so. You can try to run it as a super user, or check the comman-line options of kmscube to see you can set a working directory.<br></div><div><br></div>If you X running, I think the best way to check if mesa is working is to use glxinfo, glxgears and glxheads test apps. it is normally contained in mesa-utils package, but on gentoo is a bit different for sure, you should however be able to find them by those names. They are easier to use as they integrate well with the Xorg environment.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Luís<br></div></font></span><span class=""><br><div><br><br><div><br><div><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Nov 2, 2017 at 9:59 PM, Daniel Kasak <span dir="ltr"><<a href="mailto:d.j.kasak.dk@gmail.com" target="_blank">d.j.kasak.dk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Luis. I'm @ work at the moment ( so can't test ), but looking at it from here, it appears I don't have any permission issues:<br><br>dkasak@raptor /dev/dri $ ls -l<br>total 0<br>drwxr-xr-x 2 root root 100 Jul 13 00:01 by-path<br>crw-rw----+ 1 root video 226, 0 Jul 13 00:01 card0<br>crw-rw----+ 1 root video 226, 1 Nov 1 21:29 card1<br>crw-rw----+ 1 root video 226, 128 Jul 13 00:01 renderD128<br>dkasak@raptor /dev/dri $ groups dkasak<br>wheel video cron dkasak<br>dkasak@raptor /dev/dri $<br><div><br></div><div>It's the same permissions as I have on all my other Gentoo boxes which don't have issues ... ie I've done this many times before. On my work laptop, for example:</div><div><br></div><div><div>dkasak@gandalf /dev/dri $ ls -l</div><div>total 0</div><div>drwxr-xr-x 2 root root 80 Nov 2 17:09 by-path</div><div>crw-rw----+ 1 root video 226, 0 Nov 3 08:41 card0</div><div>crw-rw----+ 1 root video 226, 128 Nov 2 17:09 renderD128</div><div>dkasak@gandalf /dev/dri $</div></div><div><br></div><div>Also, I *can* get 3D acceleration under Wayland. That's why I thought xf86-video-armada might be implicated. I've been building mesa from git every week or so for the past 2 months. I haven't tried 17.2.4, but I might as well give it a go ... if I start building now, it will be ready by the time I get home ;)</div><div><br>Dan</div></div><div class="m_-7826735296302870288gmail-HOEnZb"><div class="m_-7826735296302870288gmail-h5"><div class="gmail_extra"><br></div></div></div></blockquote></div></div></div></div></div></div></div></div></span></div>
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