[Bug 1703506] Re: SMT not supported by QEMU on AMD Ryzen CPU

Found the same problem using Gnome boxes, as I understand it uses QEMU. Error I see in gnome boxes when I'm trying to install windows 10 vm: SYSTEM THREAD EXCEPTION NOT HANDLED Fresh install of Ubuntu 22.04 CPU: AMD Ryzen 7 1700 The solution posted by asd fghjkl (ryzen27) worked for me too: sud

[Qemu-devel] [Bug 1816805] [NEW] Cannot create cdrom device with open tray and cache option

Public bug reported: When trying to create cdrom device with open tray and either of "cache" or "discard" options specified, I get the following error: qemu-system-x86_64: -drive if=none,id=drive- ide0-0-0,readonly=on,cache=writeback,discard=unmap,throttling.iops- total=900: Must specify either d

[Qemu-devel] Migration debugging with different transport protocol

Hello, Periodically, while migrating some virtual machines I experience the following errors: qemu: warning: error while loading state for instance 0x0 of device 'ram' qemu: warning: error while loading state section id 1 >From reading Qemu mailing lists I understood that these errors can happen