rmmod openvswitch first and then try insmod. Worked for me.
From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of abc xyz Sent: Thursday, March 24, 2016 12:53 PM To: discuss@openvswitch.org Subject: [ovs-discuss] Inserting module openvswitch.ko Hi, I made some changes vport.c in datapath module on my OVS. I came across that you need to run insmod with path to .ko file for changes to take effect. When inserting the openvswitch.ko module, I keep getting the error “insmod: error:could not insert module datapath/linux/openvswitch.ko: -1 File exists”. If I try “rmmod bridge” before trying insmod as per a previous thread, I get “rmmod: error: module bridge is in use by: br_netfilter”. The steps I followed after changing the code are: ./boot.sh ./configure --with-linux=/lib/modules/3.19.0-25-generic/build make make install insmod datapath/linux/openvswitch.ko “insmod: ERROR: could not insert module datapath/linux/openvswitch.ko: -1 File exists”. Please advice on how to proceed. Thanks.
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