Running

[Altera_Forum]

Hi folks,  

I have a problem when running hello_world.c NIOS II 9.1 associated with a project created with SOPC Builder and particularly when performing I reports a problem... " Downloading Elf Process failed "   can anybody help me? thanks in advance!     In window " Console " appears:   Using cable "USB-Blaster [USB-0]", device 1, instance 0x00 Processor is already paused Initializing CPU cache (if present) OK  Downloading 00800000 ( 0%) Downloaded 54KB in 0.9s (60.0KB/s)  Verifying 00800000 ( 0%) Verify failed between address 0x800000 and 0x80D51F Leaving target processor paused

[Altera_Forum]

you didn't tell what target platform you use. 

 i assume that you have external memory at adr 0x00800000 if yes you use external memory, have you tried to run from internal memory ? do you have timing violations ? do you use SDRam ? if yes, what about the sdram clock phase shift ?