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Hi, I have just installed Funtoo, including X, with the Debian kernel as per the manual and then built a tailored Gentoo 4.14 kernel. Then I emerged LXDE and a number of applications. All seems to be running fine (I have updated world and performed a number of consistency checks, all good). However when I try to run an OpenGL application it segfaults. I have tried sci-chem/chimera-bin (two versions), sci-chem/avogadro, sci-chem/pymol and glxgears. Same result. They all emerge just fine but they segfault immediately when I run them. No problems with Libreoffice, Firefox, Gimp, Inkscape, etc. Just OpenGL. I have followed the Intel section of the Gentoo wiki to make sure everything is fine and rebooted. No joy. This is a Lenovo Ideapad S10-3s $ lspci 00:00.0 Host bridge: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx DMI Bridge 00:02.0 VGA compatible controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller 00:02.1 Display controller: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller $ cat /proc/cpuinfo model name : Intel(R) Atom(TM) CPU N455 @ 1.66GHz $ glxinfo name of display: :0.0 display: :0 screen: 0 direct rendering: Yes server glx vendor string: SGI server glx version string: 1.4 server glx extensions: $ eselect opengl list Available OpenGL implementations:  xorg-x11 * $ lspci -nnk | grep -i vga -A3 | grep 'in use' Kernel driver in use: i915 I am a member of the video group, etc. Any ideas? I wonder, shouldn't Intel be the OpenGL vendor and Mesa the implementation?