This issue is seen on a fresh installation when we tried to install the Openvswitch and its kernel module on a node Also the issue was not seen on kernel version 4.4.0-124-generic. But for kernel version 4.4.0-125 and onwards, we face this issue.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1773165 Title: openvswitch-datapath-dkms kernel module is not getting loaded Status in linux package in Ubuntu: Incomplete Bug description: Distributor ID: Ubuntu Description: Ubuntu 16.04.4 LTS Release: 16.04 Codename: xenial Kernel version: 4.4.0-127-generic OVS version: 2.7.0 # Issue description openvswitch-datapath-dkms kernelmodule is not getting loaded # Error from dmesg [10863.380564] openvswitch: module verification failed: signature and/or required key missing - tainting kernel [10863.381804] openvswitch: exports duplicate symbol dst_cache_destroy (owned by kernel) [10863.517173] openvswitch: exports duplicate symbol dst_cache_destroy (owned by kernel) [10878.094250] openvswitch: exports duplicate symbol dst_cache_destroy (owned by kernel) #Error from syslog May 24 08:37:06 dev65 kernel: [76508.361496] openvswitch: exports duplicate symbol dst_cache_destroy (owned by kernel) May 24 08:37:06 dev65 openvswitch-switch[18336]: modprobe: ERROR: could not insert 'openvswitch': Exec format error May 24 08:37:06 dev65 openvswitch-switch[18336]: * Inserting openvswitch module #installation logs: Selecting previously unselected package openvswitch-datapath-dkms. (Reading database ... 84707 files and directories currently installed.) Preparing to unpack openvswitch-datapath-dkms_2.7.0-1_all.deb ... Unpacking openvswitch-datapath-dkms (2.7.0-1) ... Setting up openvswitch-datapath-dkms (2.7.0-1) ... Creating symlink /var/lib/dkms/openvswitch/2.7.0/source -> /usr/src/openvswitch-2.7.0 DKMS: add completed. Kernel preparation unnecessary for this kernel. Skipping... Building module: cleaning build area....(bad exit status: 2) ./configure --with-linux='/lib/modules/4.4.0-127-generic/build' && make -C datapath/linux...................... cleaning build area....(bad exit status: 2) DKMS: build completed. openvswitch: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ vport-geneve.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ vport-gre.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ vport-lisp.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ vport-stt.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ vport-vxlan.ko: Running module version sanity check. - Original module - Installation - Installing to /lib/modules/4.4.0-127-generic/updates/dkms/ depmod.... DKMS: install completed. #Dpkg status dpkg -l | grep openvswitch ii openvswitch-common 2.7.0-1 amd64 Open vSwitch common components ii openvswitch-datapath-dkms 2.7.0-1 all Open vSwitch datapath module source - DKMS version ii openvswitch-switch 2.7.0-1 amd64 Open vSwitch switch implementations ii python-openvswitch 2.6.1-0ubuntu5.2~cloud0 all Python bindings for Open vSwitch #lsmod status No modules are listing for openvswitch-datapath-dkms #modprobe error modprobe openvswitch modprobe: ERROR: could not insert 'openvswitch': Exec format error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773165/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
