Hi, I have tried that too and that did not help either (i.e adding the format type=gpt) The output you requested
``` $ sudo qemu-img info --backing-chain /var/virt/WINDOWS/WIN11 image: /var/virt/WINDOWS/WIN11 file format: qcow2 virtual size: 60 GiB (64424509440 bytes) disk size: 55.1 GiB cluster_size: 65536 backing file: WIN11-BASE (actual path: /var/virt/WINDOWS/WIN11-BASE) backing file format: raw Format specific information: compat: 1.1 compression type: zlib lazy refcounts: false refcount bits: 16 corrupt: false extended l2: false Child node '/file': filename: /var/virt/WINDOWS/WIN11 protocol type: file file length: 55.1 GiB (59202338816 bytes) disk size: 55.1 GiB image: /var/virt/WINDOWS/WIN11-BASE file format: raw virtual size: 60 GiB (64424509440 bytes) disk size: 26.5 GiB Child node '/file': filename: /var/virt/WINDOWS/WIN11-BASE protocol type: file file length: 60 GiB (64424509440 bytes) disk size: 26.5 GiB ``` On Thu, Sep 21, 2023 at 2:52 PM Peter Krempa <pkre...@redhat.com> wrote: > On Thu, Sep 21, 2023 at 10:50:07 +0100, Bhasker C V wrote: > > Attaching win11.xml > > Please note that this used to work fine. It is failing now on libvirt- > > 9.7.0-1 > > > > On Thu, Sep 21, 2023 at 9:13 AM Peter Krempa <pkre...@redhat.com> wrote: > > > > > On Thu, Sep 21, 2023 at 09:05:43 +0100, Bhasker C V wrote: > > > > Adding libvirt mailing list > > > > apologies for cross-posting > > > > libvirt version: 9.7.0-1 > > > > > > > > On Thu, Sep 21, 2023 at 8:39 AM john doe <johndoe65...@mail.com> > wrote: > > > > > > > > > On 9/21/23 09:32, Bhasker C V wrote: > > > > > > I am getting an error with libivrt when I create a VM > > > > > > > > > > > > ``` > > > > > > $ sudo virsh create ./win11.xml > > > > > > Please attach the XML used here. It comes from a code path which > > > shouldn't be possible to reach. > > > > > > > > > error: Failed to create domain from ./win11.xml > > > > > > error: internal error: mishandled storage format 'none' > > > > > > > > > > > > ``` > > > > > > > > > > > > This is after I have done a dist-upgrade (was working fine > before) > > > > > > debian trixie. > > > > > > Which version did you have before? > > > > > > > > > > > > > > > error message says > > > > > > qemuBlockStorageSourceGetBlockdevFormatProps:1227 : internal > error: > > > > > > mishandled storage format 'none' > > > > > > > > > <on_poweroff>destroy</on_poweroff> > > <on_reboot>restart</on_reboot> > > <on_crash>destroy</on_crash> > > <pm> > > <suspend-to-mem enabled='no'/> > > <suspend-to-disk enabled='no'/> > > </pm> > > <devices> > > <emulator>/usr/bin/qemu-system-x86_64</emulator> > > <disk type='file' device='disk'> > > <driver name='qemu' type='qcow2' cache='unsafe'/> > > <source file='/var/virt/WINDOWS/WIN11' index='2'/> > > <target dev='vda' bus='virtio'/> > > </disk> > > Could you please also attach the output of: > > qemu-img info --backing-chain '/var/virt/WINDOWS/WIN11' > > > > <disk type="file" device="disk"> > > <driver name="qemu" type="raw" cache="unsafe"/> > > <source file="/var/virt/WINDOWS/DUMMY"> > > <format type='gpt'/> > > </source> > > <target dev="vdb" bus="virtio"/> > > </disk> > > In the definition I don't see anything that would hint that anything > with the disk config is broken, for qcow2 volumes we do auto-detection > of backing images, thus the request for the output of the command above. > >