AMD & NVMe at DigitalOcean

Lee · February 2021

https://www.digitalocean.com/blog/premium-droplets-intel-cascade-lake-amd-epyc-rome

Nice to see, I upgraded a couple of droplets already. A bit of true DO style in making such a simple thing a bit more complex than it needs to be but still a welcome improvement. DO really has been a solid provider for me, used them since March 2013 so coming up for 8 years and one minor issue in all that time.

elliotc · February 2021

Hourly base ryzen, I like it.

corbpie · February 2021

@elliotc said:
Hourly base ryzen, I like it.

Epyc

seenu · February 2021

F.... they are charging extra for it.

Wolveix · February 2021

Tried out a Ryzen based node today, encountered random VM crashes (using Proxmox on the droplet). I can only assume that this is an issue with the new droplet configuration, considering that this exact same setup works just fine on the normal droplets, as well as with other providers.

By VM crashes, I mean a VM will just randomly hang at some point, requiring qm stop to stop it and manually start it again.

seriesn · February 2021

@Wolveix said:
Tried out a Ryzen based node today, encountered random VM crashes (using Proxmox on the droplet). I can only assume that this is an issue with the new droplet configuration, considering that this exact same setup works just fine on the normal droplets, as well as with other providers.

By VM crashes, I mean a VM will just randomly hang at some point, requiring qm stop to stop it and manually start it again.

Check out the kernel.
5.4 has weird issue with proxmox and ryzen. https://github.com/fabianishere/pve-edge-kernel

Wolveix · February 2021

@seriesn said: Check out the kernel.
5.4 has weird issue with proxmox and ryzen. https://github.com/fabianishere/pve-edge-kernel

Well shit, it was indeed using 5.4.98! Just updated, seems pretty stable so far! Thank you!

Edit: Seems I spoke too soon Same issue.

seriesn · February 2021

@Wolveix said:

@seriesn said: Check out the kernel.
5.4 has weird issue with proxmox and ryzen. https://github.com/fabianishere/pve-edge-kernel

Well shit, it was indeed using 5.4.98! Just updated, seems pretty stable so far! Thank you!

Edit: Seems I spoke too soon Same issue.

I have only seen issues with the 5.4 series. 5.10 or hasn't been much drama. Anything in the log?

Wolveix · February 2021

@seriesn said: I have only seen issues with the 5.4 series. 5.10 or hasn't been much drama. Anything in the log?

I was using 5.11. The only thing that stood out was:

SMP vm created on host with unstable TSC; guest TSC will not be reliable

I ended up just recreating the server using an Intel CPU. From what I could gather from a few searches, it seems like an issue that would need to be addressed on the host node.

seriesn · February 2021

@Wolveix said:

@seriesn said: I have only seen issues with the 5.4 series. 5.10 or hasn't been much drama. Anything in the log?

I was using 5.11. The only thing that stood out was:
SMP vm created on host with unstable TSC; guest TSC will not be reliable
I ended up just recreating the server using an Intel CPU. From what I could gather from a few searches, it seems like an issue that would need to be addressed on the host node.

Check if KVM clock is enabled?

cat /sys/devices/system/clocksource/clocksource0/current_clocksource

Not_Oles · February 2021

@seriesn @Wolveix

https://github.com/fabianishere/pve-edge-kernel

I didn't even know about the edge kernel repository!

Running 5.4.98-1-pve on bare metal AX101 for several days since recent dist-upgrade. No issues so far. Both LXC and KVM seem okay. FWIW.

AMD & NVMe at DigitalOcean

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AMD & NVMe at DigitalOcean

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