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Hi Paul, Linux node3.cluster 3.10.0-327.13.1.el7.x86_64 #1 SMP Thu Mar 31 16:04:38 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux I connect to the cluster via Bitvise SSH Client and Xming Server. I know that our cluster does not have hardware GPU. Thank you! Mahmoud On Wed, Apr 26, 2017 at 9:11 AM, paul mccarthy <[log in to unmask]> wrote: > Hi Mahmoud, > > What operating system are you using? > > How are you calling FSLeyes? (e.g. is this running locally, over SSH/X11, > in VNC, etc..) > > Paul > > On 26 April 2017 at 14:00, Mahmoud <[log in to unmask]> wrote: > >> We ran into similar problem: >> >> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line >> 70: non-double matrix element >> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line >> 70: non-double matrix element >> Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line >> 78: saw unknown, expected number >> Fontconfig warning: "/etc/fonts/conf.d/65-0-lohit-bengali.conf", line >> 32: unknown element "langset" >> Fontconfig warning: "/etc/fonts/conf.d/69-gnu-free-sans.conf", line 24: >> unknown element "langset" >> >> (fsleyes:23163): Gtk-WARNING **: GModule (/usr/lib64/gtk-2.0/2.10.0/immodules/im-ibus.so) >> initialization check failed: GLib version too old (micro mismatch) >> >> (fsleyes:23163): Gtk-WARNING **: Loading IM context type 'ibus' failed >> >> (fsleyes:23163): Gtk-WARNING **: GModule (/usr/lib64/gtk-2.0/2.10.0/immodules/im-ibus.so) >> initialization check failed: GLib version too old (micro mismatch) >> >> (fsleyes:23163): Gtk-WARNING **: Loading IM context type 'ibus' failed >> libGL error: unable to load driver: swrast_dri.so >> libGL error: failed to load driver: swrast >> >> (fsleyes:23163): Gtk-WARNING **: GModule (/usr/lib64/gtk-2.0/2.10.0/immodules/im-ibus.so) >> initialization check failed: GLib version too old (micro mismatch) >> >> (fsleyes:23163): Gtk-WARNING **: Loading IM context type 'ibus' failed >> WARNING __init__.py 596: create - GLContext callback >> function raised RuntimeError: OpenGL 1.4 or newer is required (detected >> version: 1.2 >> Traceback (most recent call last): >> File "fsleyes/gl/__init__.py", line 590, in create >> File "fsleyes/main.py", line 371, in realCallback >> File "fsleyes/gl/__init__.py", line 315, in bootstrap >> RuntimeError: OpenGL 1.4 or newer is required (detected version: 1.2 >> >> On Wed, Apr 26, 2017 at 8:27 AM, paul mccarthy <[log in to unmask]> >> wrote: >> >>> Hi Maarten, >>> >>> FSLeyes requires OpenGL (it will work with a software GL driver), and >>> also requires FreeGLUT - this will be available via your package manager. >>> >>> Furthermore, if you are using FSLeyes over an SSH/XQuartz session, you >>> will need to configure XQuartz to allow GLX - details are here: >>> >>> https://users.fmrib.ox.ac.uk/~paulmc/fsleyes_userdoc/trouble >>> shooting.html#running-fsleyes-over-ssh-x11-connections >>> >>> Cheers, >>> >>> Paul >>> >>> On 26 April 2017 at 13:24, Maarten Mennes <[log in to unmask]> >>> wrote: >>> >>>> Hello, >>>> >>>> Many thanks for fsl 5.0.10 and the long awaited fsleyes! However, in an >>>> attempt to make fsleyes run on our local cluster we are running into a >>>> fatal error. See the screenshot below. The swrast libraries are installed >>>> though. Are there any special requirements regarding graphics cards or >>>> drivers that fsleyes needs? Does it need hardware openGL rendering? >>>> >>>> [image: Inline image 1] >>>> >>>> Trying to run fsleyes in a session that support VirtualGL equally >>>> results in a freeze: >>>> >>>> WARNING __init__.py 596: create - GLContext >>>> callback function raised NullFunctionError: Attempt to call an undefined >>>> function glutInit, check for bool(glutInit) before calling >>>> >>>> Traceback (most recent call last): >>>> >>>> File "fsleyes/gl/__init__.py", line 590, in create >>>> >>>> File "fsleyes/main.py", line 371, in realCallback >>>> >>>> File "fsleyes/gl/__init__.py", line 377, in bootstrap >>>> >>>> File "site-packages/OpenGL/GLUT/special.py", line 333, in glutInit >>>> >>>> File "site-packages/OpenGL/platform/baseplatform.py", line 407, in >>>> __call__ >>>> >>>> NullFunctionError: Attempt to call an undefined function glutInit, >>>> check for bool(glutInit) before calling >>>> >>>> ^C >>>> >>>> >>>> Thanks, >>>> >>>> Maarten >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> Maarten Mennes, Ph.D. >>>> Senior Researcher >>>> Donders Institute for Brain, Cognition and Behaviour >>>> Radboud University Nijmegen >>>> Nijmegen >>>> The Netherlands >>>> >>>> Google Scholar Author Link >>>> <http://scholar.google.com/citations?user=pLlSTVgAAAAJ&hl=en> >>>> >>> >>> >> >