69434: Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel

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    Last update: 20-04-2022


    The Backup Console displays an error in the backup activity: The SnapAPI kernel module is not loaded for the kernel 4.18.0-305.10.2.2.lve.el7h.x86_64 that is running in this system. Install the module for this kernel version, and then retry the backup.

    Affected environment

    CloudLinux 7-series (most typically this is CloudLinux release 7.9 (Boris Yegorov) using a so-called "hybrid kernel".


    Bug in CloudLinux. The DKMS version "dkms-2.8.4-1.el7.noarch",  which is currently provided out-of-the-box as part of CloudLinux 7.9 , does not pull the required versions of gcc + kernel-devel modules, which are required to build kernel modules such as snapapi for the hybrid kernel. 

    For example, the hybrid kernel requires GCC version 8.2.1, while CloudLinux 7 currently only provides GCC version 4.8.5


    Acronis Cyber Protect Cloud: the issue was fixed in C22.01. Please use the latest version of Agent.


    For Acronis Cyber Protect 15 and for older versions of Acronis Cyber Protect Cloud:

    1. Validate the DKMS version used on your CloudLinux host via: rpm -qa | grep dkms
    2. If it is "dkms-2.8.4-1.el7.noarch" or some other, different from "dkms-2.8.4-1.el7h.noarch" , then uninstall the current DKMS version via "rpm -e [dkms version]", for example "rpm -e dkms-2.8.4-1.el7.noarch"
    3. Update DKMS version to "dkms-2.8.4-1.el7h.noarch" by taking it from https://blog.cloudlinux.com/beta-dkms-package-for-cloudlinux-os-7-hybrid-updated-1
    4. Run Acronis Agent for Linux installation once again.

    Future permanent solution

    CloudLinux team will update the DKMS version in the mainstream releases for hybrid kernels as confirmed with their development team.

    More information