On 05/06 03:20, Kai Krakow wrote: > Am Sat, 6 May 2017 14:42:59 +0200 > schrieb tu...@posteo.de: > > > On 05/06 02:16, Kai Krakow wrote: > > > Am Sat, 6 May 2017 12:55:24 +0200 > > > schrieb tu...@posteo.de: > > > > > > > On 05/06 12:28, Kai Krakow wrote: > > [...] > > [...] > > > > [...] > > > > [...] > > [...] > > > > [...] > > [...] > > > > [...] > > [...] > > > > [...] > > [...] > > > > [...] > > > > [...] > > [...] > > [...] > > [...] > > [...] > > > > > > > > Hi, > > > > > > > > ...it runs now at least for root (called as user it crashes > > > > still). > > > > > > > > I did the following: > > > > > > > > > > > > mv /usr/lib64/libGL.so /usr/lib64/off.libGL.so > > > > > > > > for all libGL.so* in /usr/lib64/libGL.so* > > > > > > You shouldn't shuffle those files around. They are controlled by the > > > package manager. > > > > > > I think it's a bug of the software that it overwrites ld paths. > > > With a Gentoo standard configuration and eselect opengl switched to > > > nvidia, every software should find and load the nvidia opengl stuff > > > first. > > > > > > Could you show the output of > > > > > > # lddtree $(which FreeCAD) > > > > > > E.g., lddtree $(which kwin_x11) shows a line for me: > > > > > > libGL.so.1 => /usr/lib64/opengl/nvidia/lib/libGL.so.1 > > > > > > which clearly says it's linking libGL.so.1 from nvidia first. > > > > > > If a libGL line is missing for FreeCAD, it is dynamically loaded by > > > the application itself. Then it's a FreeCAD bug that should be > > > fixed. > > > > > > If it's loading from /usr/lib64/libGL* for you, then some paths and > > > configs are borked in your system. > > > > > > > > > > Addtionally I added 06nvidia to /etc/ld.so.config.d/. with this > > > > contents: > > > > /usr/lib64/opengl/nvidia/lib > > > > and did a ldconfig afterwards and reboot to release any > > > > filehandle. > > > > > > I wonder why these paths are missing for you... My ld.so.conf has > > > nvidia paths right in the beginning (first two lines). It's > > > actually made from /etc/env.d/000opengl. There's nothing nvidia > > > specific in the .d directory. > > > > > > > > > > One question remains: > > > > It works for root but not for any other user. > > > > I (as user) am in the video group. > > > > > > > > I checked the directory/file permissions of opencascade and they > > > > seem to be ok. > > > > > > I don't think that modern kernels and desktop managers still use the > > > video group. It should be handled by ACLs. Please have a look at the > > > ACLs of the device nodes. > > > > > > It all depends on your login manager and pam configuration. You > > > should check that if things don't work right. If you're using > > > systemd, you are using systemd-logind, otherwise you're probably > > > using consolekit. > > > > > > If you're not using either of those, the system would fall back to > > > standard unix group permissions. But I'm not sure if this works > > > correctly if you didn't configure the whole chain to work that way. > > > > > > > > > > I straced FreeCAD...but...I fear not to see anything suspicious > > > > because the output contains a lot of noise (much more as normally > > > > seen in such traces)... > > > > > > You can use call filters to limit that to what you want to see. > > > Also, there's ltrace which could be interesting. > > > > > > > > > > The eselects show: > > [...] > > > > Available OpenGL implementations: > > > > [1] nvidia * > > > > [2] xorg-x11 > > [...] > > > > i915 (Intel 915, 945) > > > > i965 (Intel GMA 965, G/Q3x, G/Q4x, HD) > > > > r300 (Radeon R300-R500) > > > > r600 (Radeon R600-R700, Evergreen, Northern Islands) > > > > sw (Software renderer) > > > > [1] classic > > > > [2] gallium * > > > > > > > > Why is nvidia not listed with the second command? > > > > > > Afaik, it does not provide mesa drivers. That's probably why it > > > cannot find an "swrast" driver/visual then. Directly using nvidia > > > OpenGL fixes that, which is what you did now. > > > > > > I think the bug with FreeCAD is, that it cannot properly handle > > > multiple opengl implementations which it tries to do itself. It > > > should be left to the system to correctly load the correct opengl > > > implementation. > > > > > > I guess FreeCAD looks up visuals by loading libGL from /usr/lib, > > > then it loads libGL again using means provided by the system, which > > > ends up loading the nvidia implementation. But that does not > > > provide swrast. I can only guess why they did that. But I could > > > also be totally wrong. > > > > > > > > > -- > > > Regards, > > > Kai > > > > > > Replies to list-only preferred. > > > > > > > > > > > > > Hi Kai, > > > > NO PANIC! :) the renaming of libGL and friends was for > > testing/experimenting purposes only! :) > > > > After renaming those back to normal and doing a ldconfig > > these were back for root and user: > > > > libGL error: No matching fbConfigs or visuals found > > libGL error: failed to load driver: swrast > > *** Abort *** an exception was raised, but no catch was found. > > ... The exception is:SIGSEGV 'segmentation violation' > > detected. Address 0 > > > > I checked for the 000opengl file in /etc/env.d on my installation and > > it is there...so I removed my file under /etc/ld.config.d/. > > > > lddtree /usr/bin/FreeCAD gives me: > > > > FreeCAD => /usr/bin/FreeCAD (interpreter => /lib64/ld-linux-x86-64.so.2) > [...snip...] > > libGL.so.1 => /usr/lib64/libGL.so.1 > [...snap...] > > So it's loading the wrong lib... > > Let's find out why... Is there /etc/env/000opengl? > > Did you run env-update and logged out and in again? (or rebooted) > > If all yes, you should in /etc/ld.so.conf that the very first lines > (after the comments) are for the nvidia opengl implementation. > > > Next: ACL > > > > What? ;) > > Access control lists... > > It's fine grained controls than posix access controls > (user,group,others,owner,group-owner etc). > > If you "ls -l" the dev directory, you should notice a "+" behind some > permissions. This actually tells you that there are ACLs. The input > devices you're using should show that: > > $ ls -al /dev/input/event* > crw-rw----+ 1 root input 13, 69 6. Mai 13:28 /dev/input/event5 > > $ getfacl /dev/input/event5 > getfacl: Removing leading '/' from absolute path names > # file: dev/input/event5 > # owner: root > # group: input > user::rw- > user:kakra:rw- > group::rw- > mask::rw- > other::--- > > So you see, additionally to root:input=rwrw it also gave my user > explicit rw permissions. This is handled by the login manager which > gives users exact permissions to only the devices attached to that seat > instead of generic access for everything, no matter how the user logged > in. E.g., why would you need access to those devices if logged in by > SSH? Even if you have local login permissions, why should those be > valid when logged in by remote? > > This problem is fixed by ACLs. > > Other essential devices should show similar ACLs for you. > > BTW: I'm in the video group, too. I think this is required for nvidia > drivers. So I don't believe that is the problem for you and we are on > the wrong path here. You should check that /dev/nvidia* belongs to the > video group, tho. Otherwise check that NVreg_DeviceFileGID matches your > video group id in /etc/modprobe.d/nvidia.conf. > > Does glxgears work for you? > > > > Sorry Kai...you hit the blank spot of my knowledge of Linux here. > > Please give me some hints... > > I hope I did. > > > > To summarize: > > I am using good 'ole openrc. Consolekit is installed. > > My login manager is slim. > > It's systemd and sddm here... > > I ditched consolekit long time ago so I cannot really help you here by > comparing with my local configuration. > > > > ltrace: > > I will take a look, what I may find with that one. > > strace: It is difficult to filter unimportant things > > as long I dont know the reason (the important thing) > > for the problem... ;) :) > > But I will take a deeper look... > > You could enable coredumps and feed that to gdb to get a backtrace. But > I believe you need to enable debug symbols in portage and > recompile stuff to have debug info. Even if incomplete, it could be > helpful to identify the offender. Maybe it can be fixed by preloading > older .so files. > > > -- > Regards, > Kai > > Replies to list-only preferred. > >
Hi Kai, It's there -rw-r--r-- 1 root root 141 May 6 10:37 /etc/env.d/000opengl and its contents is: # Configuration file for eselect # This file has been automatically generated. LDPATH="/usr/lib64/opengl/nvidia/lib" OPENGL_PROFILE="nvidia" Contents of ld.so.conf: # ld.so.conf autogenerated by env-update; make all changes to # contents of /etc/env.d directory /usr/lib64/opengl/nvidia/lib /lib64 /usr/lib64 /usr/local/lib64 /lib /usr/lib /usr/local/lib include ld.so.conf.d/*.conf /usr/lib64/OpenCL/vendors/nvidia /usr/lib/llvm/4/lib64 /usr/lib64/itcl4.0.3/ /usr/lib64/itk4.0.1/ /usr/lib64/qt4 /opt/nvidia-cg-toolkit/lib64 /usr/games/lib64 /usr/games/lib /opt/cuda/lib64 /opt/cuda/lib /opt/cuda/nvvm/lib64 /usr/lib64/fltk /usr/lib64/libgig/ No, no ACLs here: ls -l /dev/input/* (excerpt) crw-rw---- 1 root input 13, 64 May 6 12:11 /dev/input/event0 crw-rw---- 1 root input 13, 65 May 6 12:11 /dev/input/event1 crw-rw---- 1 root video 195, 0 May 6 12:11 /dev/nvidia0 crw-rw---- 1 root video 195, 1 May 6 12:11 /dev/nvidia1 crw-rw---- 1 root video 195, 255 May 6 12:11 /dev/nvidiactl crw-rw-rw- 1 root root 195, 254 May 6 12:11 /dev/nvidia-modeset crw-rw-rw- 1 root root 246, 0 May 6 12:20 /dev/nvidia-uvm crw-rw-rw- 1 root root 246, 1 May 6 12:20 /dev/nvidia-uvm-tools I have two nvidia-cards in my PC. One (the slower,older) is for everytyhing except rendering, the newer and faster one is for rendering except anything else. The above shows both permissions: root:root and root:portage... Video-group settings are ok it seems: NVreg_DeviceFileGID=27 27(video) (as user) glxgears -info: Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. GL_RENDERER = GeForce GT 430/PCIe/SSE2 <<<===== this is the older, slower graphics card! 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GL_EXT_import_sync_object GL_NV_robustness_video_memory_purge GL_IBM_rasterpos_clip GL_IBM_texture_mirrored_repeat GL_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error GL_KHR_robust_buffer_access_behavior GL_KHR_robustness GL_KTX_buffer_region GL_NV_alpha_to_coverage_dither_control GL_NV_bindless_multi_draw_indirect GL_NV_bindless_multi_draw_indirect_count GL_NV_blend_equation_advanced GL_NV_blend_square GL_NV_command_list GL_NV_compute_program5 GL_NV_conditional_render GL_NV_copy_depth_to_color GL_NV_copy_image GL_NV_depth_buffer_float GL_NV_depth_clamp GL_NV_draw_texture GL_NV_ES1_1_compatibility GL_NV_ES3_1_compatibility GL_NV_explicit_multisample GL_NV_fence GL_NV_float_buffer GL_NV_fog_distance GL_NV_fragment_program GL_NV_fragment_program_option GL_NV_fragment_program2 GL_NV_framebuffer_multisample_coverage GL_NV_geometry_shader4 GL_NV_gpu_program4 GL_NV_internalformat_sample_query GL_NV_gpu_program4_1 GL_NV_gpu_program5 GL_NV_gpu_program5_mem_extended GL_NV_gpu_program_fp64 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GL_NV_vertex_program2_option GL_NV_vertex_program3 GL_NVX_conditional_render GL_NVX_gpu_memory_info GL_NV_shader_threaXIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0" after 52 requests (52 known processed) with 0 events remaining. d_group GL_KHR_blend_equation_advanced GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow GL_SUN_slice_accum VisualID 39, 0x27 The framerate is bound to the refreshrate of my monitor (60Hz) but mains is 50Hz).... Cheers Meino