You have been subscribed to a public bug:
On a stock/default installation of Ubuntu 20.04.6LTS with Ubuntu Pro
activated, running pro enable fips on a system with an AMD EPYC 7262
results in a kernel panic during boot. Issue not reproducible on Intel
processors.
Kernel panic - not syncing: random: Failed to reset DRBG
(drbg_nopr_sha512): -2
Will include full screenshot of kernel panic as an attachment to this
report.
How the system was built:
Hardware: HPE Proliant DL385Gen10 with an EPYC 7262 processor, running VMware
ESXi 7.0u3.
Using the latest ISO ubuntu-20.04.6-live-server-amd64.iso to install a stock
installation (choose the defaults all the way through the setup) of Ubuntu in a
VMware ESXi 7.0u3 virtual machine.
Once the setup is completed and the system reboots into the newly installed
system, I run apt-get update, apt-get upgrade, apt-get dist-upgrade, to apply
all updates and reboot.
Then, I run: pro enable fips, press Y to confirm the installation, and reboot
once it says to reboot to apply FIPS settings.
System boots into kernel panic.
Editing grub entry for the same kernel to change fips=1 to fips=0 bypasses the
kernel panic and allows the system to boot normally.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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linux-image-5.4.0-1024-fips - boots to kernel panic on AMD EPYC 7262 CPU -
drbg_nopr_sha512
https://bugs.launchpad.net/bugs/2045322
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