[Pkg-libvirt-maintainers] Bug#970207: libvirt: Couldn't create default storage pool '/var/lib/libvirt/images

[Phil Wyett]

On Sun, 2020-09-13 at 09:19 +1000, ElongatedYeet wrote:
> Source: libvirt
> Severity: important
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where
> appropriate ***
> 
>    This error occured when trying to create a new VM with libvirt
>    When creating a new VM, the error that is returned is "Error: --
> disk size=10: Couldn't create default storage pool
> '/var/lib/libvirt/images': Could not build storage pool: unable to
> control COW flag on '/var/lib/libvirt/images', not btrfs: Function not
> implemented
>    This should not occur as I followed the KVM guide on the wiki.
> Virt-Manager also could not create a VM
> 
> *** End of the template - remove these template lines ***
> 
> 
> -- System Information:
> Debian Release: bullseye/sid
>   APT prefers testing
>   APT policy: (500, 'testing')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
> 
> Kernel: Linux 5.7.0-3-amd64 (SMP w/4 CPU threads)
> Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
> TAINT_UNSIGNED_MODULE
> Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8),
> LANGUAGE=en_AU:en
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
> 

Hi,

This issue seems to have been reported upstream and fixed in the latest
release. See link below.

https://gitlab.com/libvirt/libvirt/-/issues/73

Regards

Phil

-- 

*** Playing the game for the games sake. ***

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