On Mon, Apr 25, 2022 at 07:19:08PM +0200, Steffen Einsle wrote: > Hello Everyone, > > I have some xen servers I recently tried to update from xen 4.14 to xen 4.16 > > Everything worked without problem, except for the Windows Server Essentials > DomUs. > > With xen 4.16 those domains crashed (reproducable) during boot - > KMODE_EXCEPTION_NOT_HANDLED. > > I tried to install a new DomU Windows Server 2019 Essentials - this VM > crashed at the first reboot > (still in the installation routine) with the same error. No PV-drivers > installed yet. > > I switched back to xen 4.14 and all VMs booted ok without problem. > > All other VMs (Linux-PV, Windows-HVM (2008r2, 2012r2, 2016, 2019, 2022) > show no problems, only > the Windows Server Essentials crashes with xen 4.16. > > The system is a gentoo kernel 5.17.3, qemu-6.2.0-r4, xen-4.16.0-r5, > xen-tools-4.16.0-r1 > > My working configuration is gentoo kernel 5.17.3, qemu-5.2.0-r2, > xen-4.14.3-r2, xen-tools-4.14.3 > > My DomU config file looks like this > > name = 'DC-Server' > type = 'hvm' > memory = '8192' > vcpus = '6' > vif = [ 'mac=00:16:3E:ab:cd:50,bridge=br0' ] > disk = [ '/dev/vg1/ServerSys,raw,hda,rw', > '/dev/vg1/ServerData,raw,hdb,rw' ] > viridian = 'all' > localtime = '1' > vnc = '1' > keymap = 'de' > vnclisten = '0.0.0.0:10,websocket' > usb = '1' > usbdevice = 'tablet' > on_crash = 'restart' > boot = 'c' > xen_platform_pci = '1' > max_grant_frames = 128
Could you try adding: msr_relaxed=1 And see if that makes a difference? Thanks, Roger.
