If you mount a backup image that has a corrupted file system, you may not be able to unmount it. Kernel Panic occurs when performing backup in a situation where unmounting is not possible.
This is caused by a conflict between the snapshot driver and image unmount.
Download the cumulative patch from the following.
Prerequisites for patching
This patch can only be applied to the following versions.
Please upgrade to AIP2018Update (126.96.36.19940) before applying the patch.
This cumulative patch also includes a fix for AIP2018 in [File system may be corrupted after image restore on AIP2016 / 2018 Linux].
Applying this cumulative patch resolves both issues.
Patch installation instructions
1) Download the patch and save it to any location, then unzip it.
2) Grant execute permission to the file.
# chmod + x AIP2018Update_Cumulative_patch1910.bin
3) Run this bin file on the terminal.
-ActiveImage Protector 2018 Linux