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Altera_Forum
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17 years ago

Linux : Unexpected error code 89

Hi! (I'm using Centos 5) I'm trying to download my hardware configuration in my board but when I run the programmer there's a message from Quartus that said that an error with code 89 occurs. W...
Altera_Forum's avatar
Altera_Forum
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16 years ago

The likely cause of this error report is with Linux and how it grants permissions to the USB device. A further symptom of this problem is that you can successfully access the JTAG interface as root, but not as a non-root user.

The Quartus® II software uses the built-in USB drivers (usbfs) on your Linux distro to access the USB-Blaster download cable. By default, root is the only user allowed to use usbfs. You must change the permission on the ports before you can use the USB-Blaster download cable to program devices with the Quartus II software. Please review the USB Blaster User Guide:

Go to page 13 of the USB-Blaster Download Cable User Guide on Altera.com

altera.com/literature/ug/ug_usb_blstr.pdf#page=13