Veeam has warned customers that its Software Appliance virtual machines (VMs) can intermittently fail to boot on hosts with certain AMD EPYC processors. The company says the issue affects Software Appliance version 13.1 and later.
The Linux-based VMs run Veeam Backup & Replication without requiring administrators to install dependencies or configure the software manually. During early boot, the Linux kernel runs health and cryptographic checks in FIPS mode, including a jitterentropy health test. Veeam says the test can fail on some AMD EPYC processors, including AMD EPYC 7262, 7302, and 7F72, causing a kernel panic that stops the boot process. The failure can happen after a reboot, including one following a kernel update.
Veeam recommends redeploying the appliance to a Linux host with a different processor. If that is not possible, it advises administrators to disable automatic updates, install updates manually, and monitor the VM as it reboots. If a kernel panic occurs, Veeam says to power off the VM and then power it on again; restarting the guest operating system does not recover it. The company says that after a successful boot, no further errors are expected and Veeam Backup & Replication operation is not affected.
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