Hello, I have a openvpn server on RHEL10 and I would like to use ovpn-dco on it. Currently, I don't have a working kernel on it. 2025-09-24 10:27:17 us=861227 Note: Kernel support for ovpn-dco missing, disabling data channel offload. This is the only working binaries. openvpn-2.7_beta1-1.el10_0.alma_altarch.x86_64_v2 openvpn-auth-oauth2-1.26.0-1.x86_64 [root@openvpn-lab ~]# If I install openvpn-2.6, the openvpn server wouldn't start because of this error. symbol lookup error: /usr/sbin/openvpn: undefined symbol: EVP_MD_CTX_get_size_ex, version OPENSSL_3.4.0. The kernel module seem ok as the system at least boot. Its just that openvpn don't work after the system is up. So, only way seem to figure out how to get openvpn 2.7 module booting on RHEL10 Kallsyms_lookup_name+0x4/0xd0 kernel BUG at arch/x86/kernel/cet.c:102! Oops: invalid opcode: 0000 [#1] PREMPT SMP NOPTI Tainted: [0]=OOT_MODULE, [E]=UNSIGNED_MODULE This is how I installed the dco that is breaking the boot process. https://community.openvpn.net/Pages/OpenVPN%20software%20repos OpenVPN software repos – community wiki<https://community.openvpn.net/Pages/OpenVPN%20software%20repos> Introduction This page contains instructions for using OpenVPN project's own software repositories. For OpenVPN 3 Linux, see the dedicated OpenVPN 3 Linux page. The OpenVPN project provides the latest OpenVPN releases (and development snapshots) as packages for major Linux distributions. This allow you to use more up-to-date version of OpenVPN than what is typically available in your ... community.openvpn.net yum copr enable @OpenVPN/openvpn-beta yum install kmod-ovpn That is, after that, the system wouldn't boot. Have anyone found a way to run dco on RHEL10. This is a openVPN server, so I didn't bother trying openVPN 3 Any pointer would be appreaciated. Regards, William