Article ID: 000074832 Content Type: Troubleshooting Last Reviewed: 08/21/2012

assertion "m_state == STATE_DEBUG" failed: file "nios2oci.cpp", line 158

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

You may see this error message when trying to connect to the Nios® II CPU through the JTAG interface, using the Nios II EDS (Embedded Development System) tools, or from the Nios II Command Shell.

This error message may be due to the GDB server having trouble communicating with the JTAG interface on the Nios II CPU in your design. 

In most cases this is caused by your design not meeting timing, but may also be due to addressing issues within your SOPC Builder system.  In these cases, the workaround is to ensure your design meets timing, and that there are no addressing conflicts in your Nios II system design.

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Intel® Programmable Devices