# Grc - libGL error: failed to load driver: i965

**URL:** <https://www.ruby-forum.com/t/grc-libgl-error-failed-to-load-driver-i965/241981>\
**Category:** GNU Radio\
**Created:** [May 18, 2015, 3:07pm UTC](https://www.ruby-forum.com/t/grc-libgl-error-failed-to-load-driver-i965/241981 "2015-05-18T15:07:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Detlef\_R](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/58f4c7/32.png) [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Post date:** [May 18, 2015, 3:07pm UTC](https://www.ruby-forum.com/t/grc-libgl-error-failed-to-load-driver-i965/241981/1 "2015-05-18T15:07:17Z")

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**Author:** ![andreas\_l](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/7bcc69/32.png) [@andreas\_l](https://www.ruby-forum.com/u/andreas_l)\
**Post date:** [May 25, 2015, 12:26pm UTC](https://www.ruby-forum.com/t/grc-libgl-error-failed-to-load-driver-i965/241981/2 "2015-05-25T12:26:22Z")

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I think i solved the problem with the slow windows a little. The reason  
was the armsoc driver of the X Server. This driver was configured in the  
xorg.conf. There was another file named xorg.conf.mali which contains  
parameter to use the mali driver.

I renamed the both xorg files so the file with the mali driver could be  
load instead of the armsoc driver. The reaction of all windows /  
textboxes / sliders are better. This problem was not only with the  
gnuradio guis instead it was a general problem.

The libgl error is always present.

Am 18.05.2015 um 15:06 schrieb Andreas L.: