[GEM-dev] [pd-gem:bugs] #235 gemwin: cant render on remote monitor

"IOhannes m zmölnig" zmoelnig at users.sf.net
Thu Sep 18 17:38:05 CEST 2014

ok, i tried with the following setup:

 - client: nVidia Geforce 7800 GTX (with `nouveau` drivers)
 - server: Intel HD 4000 (with `i915` driver)

i then run the following:

client$ ssh -X server
server$ cd .../Gem
server$ pd -path abstractions:.
   -> [create :0( -> [gemglxwindow]

this opens a window on the server, and (most of the times) immediately *crashes* with the following writte to the console:

libGL error: failed to authenticate magic 49
libGL error: failed to load driver: nouveau
GLEW version 1.10.0
error: Xwin: GLXBadContext

error: Xwin: GLXBadContext

error: Xwin: 0

error: Xwin: GLXBadContext

[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
pd: ../../src/xcb_io.c:274: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Pd: signal 6

i get the same crash with `[gemwin]`.

all works fine when using Gem-0.93, so it's indeed a regression,


** [bugs:#235] gemwin: cant render on remote monitor**

**Status:** open
**OS:** linux
**Release:** unknown
**Labels:** gemglxwindow 
**Created:** Sat Sep 13, 2014 10:30 AM UTC by kubriel
**Last Updated:** Sun Sep 14, 2014 07:26 AM UTC
**Owner:** nobody

usually i was using xforwarding to display patch on my laptop, but running pd and gem rendering on big machine.
i used [create :0( for this.
looks like [gemglxwindow] does not take name of the screen..

"[gemglxwindow]: unable to switch to current window (do you have one?), cannot render!"

yes, i have one. 


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