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pschiffe / docker-pdns

Docker images for PowerDNS
MIT License
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`pschiffe/pdns-admin` requires CPU with `x86_64-v2` support unlike the rest. #122

Closed GamePlayer-8 closed 9 months ago

GamePlayer-8 commented 10 months ago

Good afternoon,

There's an issue with docker-compose-pgsql.yml Docker compose file, where in pschiffe/pdns-admin image, glibc requires a CPU with x86_64-v2 instructions while the rest of containers can run on x86_64-v1.

pschiffe commented 10 months ago

Hello, thanks for the report. Is this happening in some virtual environment, or physical HW? Could you post output of cat /proc/cpuinfo | grep 'model name' | head -1 command?

GamePlayer-8 commented 10 months ago

Output: model name : Common KVM processor

It's happening in QEMU with KVM accel enabled.

GamePlayer-8 commented 10 months ago

Log of that Docker container:

Fatal glibc error: CPU does not support x86-64-v2
pschiffe commented 10 months ago

I see. In that case, I think the best option would be to pass the host CPU configuration to the VM. You can change this even after the VM was created, you just need to reboot it to pick up the changes:

Screenshot from 2024-01-12 20-50-12

Thanks to this you also get better performance inside of the VM. For more information why is this needed, follow this link: https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level

I understand that the images are not consistent in this requirement, but they all benefit from it if available. Moreover, most of the CPUs today should meet this requirement without a problem.