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Re: DomU Windows Server Essentials crashes with xen 4.16 but works with xen 4.14
- To: Steffen Einsle <einsle@xxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Tue, 26 Apr 2022 09:06:39 +0200
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- Delivery-date: Tue, 26 Apr 2022 07:06:59 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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.
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