Thanks again, Andy! On the debian error board, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012789 Jeff Epler responded that this may be an OpenGL issue.
Indeed, I went looking and I cannot run glxgears on my system, so I think it would be fair to say that OpenGL is a dependency beyond the 'package dependencies,' and that without it I can't run the plain vanilla, prettier interface of LinuxCNC. Jeff was awesome in also pointing out that there's an alternative interface based on Tcl . One has to take an ini file (as of this writing, located at ~/linuxcnc/configs/sim.axis ) and modify it for DISAPLY = tklinuxcnc see http://linuxcnc.org/docs/2.7/html/gui/tklinuxcnc.html for instructions. It be very indeed olde fashioned like, but rears its head from the swamp to mine eyes like a fine strapping beasty. Which is to say that on these SBC based computers, with nary a graphics card, just a wee Mali Arm based chip answering to another Arm based cpu, on preempt-rt kernel, seeing even this beasty looks very welcome to me. There are other threads regarding getting OpenGL *ES* working on the mali chip (it should support it) but so far I haven't been able to activate that enough to enable glxgears, which means LinuxCNC would be "right-out." Might I humbly recommend someone in authority consider adding a more fulsome error message somewhere so that when LinuxCNC becomes available in Debian Bookworm, those with SBCs (because there will be more of us trying this then) will see more quickly that it's our teeny graphics chip which are the issue, and that we have workaround to have an atari-nintendo-blue-screen-of-our-dreams for getting LinuxCNC up and running? Thanks again to everyone helping here. I'm going to copy part of this to the debian error board. Vector Hasting On Tue, 14 Jun 2022 at 15:52, andy pugh <bodge...@gmail.com> wrote: > On Tue, 14 Jun 2022 at 23:14, Vector Hasting <vectorhast...@gmail.com> > wrote: > > > I searched the debian repository and nothing by the name of libtiffcl4 > exists: > > I assume that it is a part of something else. > > I do have something close on my Buster installation: > > andypugh@buster:~/linuxcnc-dev/src$ sudo find / -name libtifftcl* > /usr/lib/tcltk/x86_64-linux-gnu/Img1.4.8/libtifftcl3.9.7.so > > andypugh@buster:~/linuxcnc-dev/src$ uname -a > Linux buster 4.19.195-rtai-amd64 #5 SMP PREEMPT Sun Jul 11 19:13:27 > BST 2021 x86_64 GNU/Linux > > And it seems to be part of libtk-img > > andypugh@buster:~/linuxcnc-dev/src$ sudo apt-file list libtk-img > ... > libtk-img: /usr/lib/tcltk/x86_64-linux-gnu/Img1.4.8/libtifftcl3.9.7.so > > I seem to have version 1.4.8 > > andypugh@buster:~/linuxcnc-dev/src$ apt list libtk-img > Listing... Done > libtk-img/oldstable,now 1:1.4.8+dfsg-1+deb10u1 amd64 [installed] > > libtk-img is shown as a LinuxCNC dependency, but it might well be that > the minimum version stated for Buster is too old (or new) > > > https://github.com/LinuxCNC/linuxcnc/blob/master/debian/control.main-pkg.in#L23 > > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
