https://bugzilla.kernel.org/show_bug.cgi?id=219009 --- Comment #16 from blake (blake@xxxxxxxxxx) --- At least for me, I haven't noticed any performance hit. These systems are all headless though. On Sat, Aug 31, 2024, at 6:51 AM, bugzilla-daemon@xxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=219009 > > --- Comment #14 from h4ck3r (michal.litwinczuk@xxxxx) --- > (In reply to blake from comment #13) > > I recently experienced this. I built a proxmox cluster with 7950x. Every > > node that I tested on would hard reset with no logs when a VM was doing > > nested virtualization. > > > > Our CI testing uses VMs, and putting the CI in a VM itself makes it pretty > > easy to reproduce, just takes some time. > > > > Setting kvm_amd.vls=0 seems to have resolved the issue, we had zero node > > resets today and I was trying to force them. > > > > Kernel is Proxmox's 6.8.12-1-pve. > > > > Thanks, > > Blake > > Disabling vls does help with crashes, but has too much performance penalty. > In my case it would lock gpu utilization at 40% max. (proxmox win10/11 hyperv > enabled) > > -- > You may reply to this email to add a comment. > > You are receiving this mail because: > You are on the CC list for the bug. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.