Hi Antti, the current mechanism for scanning the PCIe devices is based on how 
this project started. Initially the program was using a bare-metal environment 
then progressed to the Linux userspace model. In the 1.4 release that was just 
placed on the Intel IBL site we now have a script that unbinds the selected 
devices and binds them to the igb-uio driver then the Intel DPDK will probe 
only the devices on the igb-uio. The black-list function can still be used 
since multiple Intel DPDK's can be run.

In the 1.2.x release you can also modify the configuration file in 
/config/defconfig_x86_64-default-linuxapp-gcc (if using 64bit gcc) and change 
the CONFIG_RTE_LIBRTE_IGB_PMD=y line to CONFIG_RTE_LIBRTE_IGB_PMD=n this will 
stop the 1GbE devices from being scanned and unbound by the Intel DPDK 
preventing you from losing connectivity over the 1GbE ports.

Walt
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