2017-12-07 22:11 GMT+01:00 Aurelien Jarno <aurel...@aurel32.net>: > On 2017-12-07 18:33, Julien Aubin wrote: > > Hi, > > > > Ldd with file /etc/ld.so.nohwcap : > > julien@pccorei7-4770:~$ ldd $(which glxgears) > > linux-vdso.so.1 (0x00007ffcc49c5000) > > libGLEW.so.2.0 => /usr/lib/x86_64-linux-gnu/libGLEW.so.2.0 > > (0x00007f9327cc6000) > > libGLU.so.1 => /usr/lib/x86_64-linux-gnu/libGLU.so.1 > > (0x00007f9327a57000) > > libGL.so.1 => /usr/lib/x86_64-linux-gnu/libGL.so.1 > > (0x00007f93277b3000) > > libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f93274af000) > > libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 > > (0x00007f932716f000) > > libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 > > (0x00007f9326f5d000) > > libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f9326bbe000) > > libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 > > (0x00007f932683c000) > > libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 > > (0x00007f9326625000) > > libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 > (0x00007f9326421000) > > libGLX.so.0 => /usr/lib/x86_64-linux-gnu/libGLX.so.0 > > (0x00007f93261f1000) > > libGLdispatch.so.0 => /usr/lib/x86_64-linux-gnu/ > libGLdispatch.so.0 > > (0x00007f9325f23000) > > /lib64/ld-linux-x86-64.so.2 (0x00007f9328161000) > > libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 > > (0x00007f9325cfb000) > > libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 > > (0x00007f9325af7000) > > libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 > > (0x00007f93258f1000) > > libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 > > (0x00007f93256db000) > > librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 > (0x00007f93254d3000) > > libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 > > (0x00007f93252b6000) > > > > Ldd without file /etc/ld.so.nohwcap : > > julien@pccorei7-4770:~$ ldd $(which glxgears) > > linux-vdso.so.1 (0x00007ffce55b0000) > > libGLEW.so.2.0 => /usr/lib/x86_64-linux-gnu/libGLEW.so.2.0 > > (0x00007f90c7a69000) > > libGLU.so.1 => /usr/lib/x86_64-linux-gnu/libGLU.so.1 > > (0x00007f90c77fa000) > > libGL.so.1 => /usr/lib/x86_64-linux-gnu/libGL.so.1 > > (0x00007f90c7556000) > > libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f90c7252000) > > libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 > > (0x00007f90c6f12000) > > libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 > > (0x00007f90c6d00000) > > libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f90c6961000) > > libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 > > (0x00007f90c65df000) > > libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 > > (0x00007f90c63c8000) > > libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 > (0x00007f90c61c4000) > > libGLX.so.0 => /usr/lib/x86_64-linux-gnu/libGLX.so.0 > > (0x00007f90c5f94000) > > libGLdispatch.so.0 => /usr/lib/x86_64-linux-gnu/ > libGLdispatch.so.0 > > (0x00007f90c5cc6000) > > /lib64/ld-linux-x86-64.so.2 (0x00007f90c7f04000) > > libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 > > (0x00007f90c5a9e000) > > libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 > > (0x00007f90c589a000) > > libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 > > (0x00007f90c5694000) > > libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 > > (0x00007f90c547e000) > > librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 > (0x00007f90c5276000) > > libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 > > (0x00007f90c5059000) > > > > I remark the addresses of libraries are not the same but it is probably > due > > to ASLR. > > It's normal that the addresses are not the same, that said, I was > expecting the path to be different. The only thing that > /etc/ld.so.nohwcap is supposed to change the libraries that are loaded. > That said, there is are path for optimized libraries on amd64, so I am > not really surprised. I still don't understand the bug... >
@Andreas and/or Luca : could you please try as well the same thing as I did, I mean : 1/ Create file /etc/ld.so.nohwcap 2/ Launch glxgears 3/ Remove the file 4/ Launch glxgears And then communicate the results ? > > Aurelien > > -- > Aurelien Jarno GPG: 4096R/1DDD8C9B > aurel...@aurel32.net http://www.aurel32.net >
