New Proxmox host crashes without logs when running 2 or more VM with Q35.

To identify the cause, if not is a known issue or regression or hardware issue, it is needed to check the crash dump.
I never did on proxmox for now but on Debian in the past (proxmox use different kernel packages), from a fast search seems difficult to find specific howto for proxmox, from this seems proxmox don't have dbg packages of kernel and need to be built:
E

Thread 'Where to get -dbg kernel?'

Do I have to build it myself?

Code: 
# apt-cache search proxmox-kernel
proxmox-kernel-6.5 - Latest Proxmox Kernel Image
proxmox-kernel-6.5.11-8-pve-signed - Proxmox Kernel Image (signed)
proxmox-kernel-helper - Function for various kernel maintenance tasks.

All I found was this [1]:
Code: 
Debug kernel and modules
------------------------

In order to build a -dbgsym package containing an unstripped copy of the kernel
image and modules, enable the 'pkg.proxmox-kernel.debug' build profile (e.g. by
exporting DEB_BUILD_PROFILES='pkg.proxmox-kernel.debug'). The resulting package can
be used...
Probably someone can give more information.
 
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