[pve-devel] [PATCH pve-manager] qemu: bump max cores to 256 by socket

[Fiona Ebner]

Am 16.01.24 um 15:08 schrieb DERUMIER, Alexandre:
> 
>>> Is the QEMU error message understandable? If yes, I don't see much
>>> value
> 
> Well, indeed, the message is pretty clear.
> maybe just add documentation about limit for q35 && i440fx ?
> 
> (I have a customer with a new epyc v4, asking me about this, and I had
> no idea that they was a different limit between q35 && i440fx)
> 

Sure, we can mention that the limit depends on the machine version in
the CPU section and/or machine version section. Note it's not only type,
but version, e.g. q35-8.0 has 288 as a limit:
https://github.com/qemu/qemu/blob/master/hw/i386/pc_q35.c#L419