[dpdk-dev] Error while inserting module /build/kmod/igb_uio.ko

[Chris Wright]

* Daniel, Christopher (Chris.Daniel at flukenetworks.com) wrote:
> All,
> 
> I have the following configuration on my machine
> 
> Linux localhost.localdomain 3.12.6 #4 SMP Fri Dec 27 14:26:57 EST 2013 x86_64 x86_64 x86_64 GNU/Linux : Centos
> 
> 
> 1)      Downloaded the latest version of DPK ( 1.7);
> 
> 
> 2)      Executing the quick start instructions ( running gcc 4.7.x)
> 
> 
> 
> 3)      Having an issue with
> 
> 
> 
>       # insmod build/kmod/igb_uio.ko
> 
> I am getting
> 
> insmod: error inserting './build/kmod/igb_uio.ko': -1 Unknown symbol in module
> 
> dmesg:
> igb_uio: Unknown symbol __fentry__ (err 0)

seems like you have built module w/ CONFIG_FTRACE and built kernel
w/out.  did you manually set RTE_KERNELDIR when you built (if so, is it
pointing to the right location?)

thanks,
-chris