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[SOLVED] Xen HVM domU Win 10 installer unable to detect disk
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cmrd
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Joined: 13 Jul 2014
Posts: 14

PostPosted: Sat Nov 16, 2019 11:48 pm    Post subject: [SOLVED] Xen HVM domU Win 10 installer unable to detect disk Reply with quote

Hi,

I recently installed Gentoo as a Xen dom0 guest and am trying to create a HVM domU Windows 10 guest.

This is my current xen guest config:

Code:
type = "hvm"
memory = 4096
shadow_memory = 64
name = "win"

disk =  [
   '/dev/volumeGroun/logicalVolume,,hdc,w',
   '/home/sklv/Win10_1903_V2_EnglishInternational_x64.iso,,hda,cdrom'
]

boot = "dc"
acpi = 1
vnc = 1
vncconsole = 0
vnclisten = "127.0.0.1"
vncpasswd = "win"
usbdevice = "tablet"

# These options make no difference:
#device_model_version = "qemu-xen-traditional"
#xen_platform_pci = 1
#sdl = 0
#pae = 1
#hpet = 1
#hdtype = "ahci"


The iso boots to the installer fine, however at the point the I try to start the installation I get a prompt saying "A media driver your computer needs is missing.". I suspect this is happening because the installer is failing to detect the non-cdrom disk. If I open cmd in the installer, run diskpart, and run 'list volume', only the cdrom volume is listed.

I'm pretty sure that on the host, the block device is being attached fine, as if i run xl block-list win while the guest is running, i get
Code:
# xl block-list win
Vdev  BE  handle state evt-ch ring-ref BE-path
5632  0   121    1     -1     -1       /local/domain/0/backend/vbd/121/5632
768   0   121    1     -1     -1       /local/domain/0/backend/qdisk/121/768


I've also tried checking /var/log/xen/qemu-dm-win.log and /var/log/xen/xl-win.log but neither appear to contain any relevant content.

I was under the impression that running Windows 10 under Xen was a reasonably supported configuration. How could I troubleshoot this?
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cmrd
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Joined: 13 Jul 2014
Posts: 14

PostPosted: Tue Nov 26, 2019 7:03 pm    Post subject: Reply with quote

The issue appears to be specific to the region of the ISO. When I tried with the US iso, it ran and installed fine.
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