Yeah, I've got a DB9 port in the mail.. So I'm off to xen.org to do some reporting later on.

Oh it's one of those cheap-ass mobos from AliExpress.

Setting dom0_max_vcpu=1-1 seems to allow boot. Now for benchmarking with one dom0 cpu.

Only got an image of the boot (pardon the dirty screen. ), I don't have a serial port on this motherboard yet.

Did some testing.. Booting with nosmp allows it (the installer) to start.. So I don't know what's going on here..

But as of now I'm treating this as a classic PEBCAK.

Alt did not work either.. "Other people" include bug #283.

Strangest thing, I don't see these performance hits when using Proxmox.

Another problem I'm seeing is that I have a 50% chance of actually booting xcp. Every other boot I dont get to the splash screen. Probably should do a clean install of this server, but 8.X installer doesn't work either. Seen some other people having the same problem..

Perf mode as in performance mode for the CPU? Enabled, yes. Did some pinning of 4 cpus in dom0 and I got better numbers.. I'll guess I'll have to do some digging in turning off power management as well..

It's one of those dirt cheap motherboards from China, so I'll have som guess work to do.

Ah. Then the question is why I’m running into a huge performance hit when running more than one cpu in a guest. Running a loop where I create and remove a alpine docker container runs fine (.7s per execution) on one cpu but can take up to 45s when adding CPUs.

Hi,

I’m a bit confused, flabbergasted to be frank, checking the HCL at Citrix I can’t find 26xx v2? V3 is there but not v2..

So am I using the HCL wrong or are they unsupported (which could explain bad performance in xcp-ng)?