<div dir="auto">I’m a newbie in the Mesa library.I developed the JavaFX application using the Mesa 17.2.4 with DRI on the 32bit Linux environment.But, my program is died by the SIGSEGV after about six hours running.I used the GDB for debugging this problem.And, I found a position of the SIGSEGV problem. It is the copy_array_to_vbo_array function in mesa/src/mesa/drivers/dri/i965/brw_draw_upload.cIn the copy_array_to_vbo_array function, the memcpy function is called with source and destination address.A destination address is got from the intel_upload_space function in mesa/src/mesa/drivers/dri/i965/intel_upload.cBut, the intel_upload_space function returns a null, therefore a destination address is zero and so my program is gone into fault by the SIGSEGV. I have a question about the intel_upload_space function in mesa/src/mesa/drivers/dri/i965/intel_upload.cIn what cases can this function return a null?And also, if this function returns a null, then how can I handle this abnormal operation to run my application?please let me know if you have a workaround for this issue. Thank you. Best regards,Myungjin, Kim</div>