Quartus 20.1.1 on Ubuntu 20.04

[Scott Baker]

I just installed the Intel Quartus FPGA software version 20.1.1 on Ubuntu 20.04

Mainly I just need to use the programmer.

Quartus recognizes my USB blaster, but when I try to program a device it tells me:

"Unable to scan device chain, check hardware setup"

With I little googling I found this advice:

• create an udev rules files in :/etc/udev/rules.d/altera-usb-blaster.rules

• And add following configuration : ATTR{idVendor}=="09fb", ATTR{idProduct}=="6001", MODE="666" 

So I did that, but I still get the same error message.

Has anyone on this list faced this problem? and if so, what was the fix?

Thanks,

Scott

[Chris Goodwin]

Sometimes when using Quartus from Windows 10, I've had to run it as the admin user.  I know running things as root under Linux is contraindicated every which way, but ... maybe try that?  

The other thing to check is, make sure the target device has standby power.  With CPLD/FPGA devices on server boards, I've had to have the entire system powered up but in a DC off state.  I'd check this part first, in fact.  

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Chris Goodwin

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[Scott Baker]

Hi Chris,

I restarted the udevadm with "sudo udevadm control --reload"

It can talk to the jtag bus now :) 

Thanks,

Scott