Error: "X Error of failed request: BadValue"

Description

When running some Intel® FPGA OpenCL™ Examples(Video_downscaling, sobel_filter), you may encounter runtime errors like "X Error of failed request: BadValue". The whole message would be like as following:

[bin]$ ./host

Input video file: video.yuv

# frames: 100X Error of failed request:  BadValue (integer parameter out of range for operation) 

Major opcode of failed request:  150 (GLX) 

Minor opcode of failed request:  3 (X_GLXCreateContext) 

Value in failed request:  0x0 

Serial number of failed request:  77 

Current serial number in output stream:  78

Resolution

Such error occurs when you are running the examples on a remote machine with an NVIDIA® display card and a third party driver is installed.

Reinstall the original display card driver, or run the examples on a local machine instead.