noVNC/SPICE issue with Debian 14 (Forky) guest VM

postbox

New Member
Jul 10, 2026
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Hi,

I am having an issue where the keyboard and mouse on novnc/spice is not working after upgrading a guest OS from Debian 13 trixie to Debian 14 forky.

I am trying to do some testing with Debian 14 but after upgrading I can no longer use the mouse or keyboard.

I have disabled and enabled the 'Use table for pointer' option in the vm options but it is still the same.

It seems to work okay with standard Debian 13

I might be missing something obvious, any help/suggestions would be appreciated.

EDIT: corrected info
 

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can you post the full config? (qm config ID) also what desktop environment do you use inside the vm?

i just installed forky from the debian-testing-netinst iso and both novnc and spice work as usual.
 
can you post the full config? (qm config ID) also what desktop environment do you use inside the vm?

i just installed forky from the debian-testing-netinst iso and both novnc and spice work as usual.
I am using KDE Plasma, sddm as the display manager,

I installed using the trixie net instal and upgraded to forky, then installed via tasksel after
The issue only happed once the gui was installed

cat /etc/pve/qemu-server/110.conf
agent: 1
boot: order=scsi0;ide2;net0
cores: 4
cpu: x86-64-v3
ide2: none,media=cdrom
memory: 2048
meta: creation-qemu=10.0.2,ctime=1756971634
name: snow
net0: virtio=BC:24:11:4D:D9:15,bridge=vmbr0,firewall=1
numa: 0
onboot: 1
ostype: l26
scsi0: vm_live0:110/vm-110-disk-0.raw,iothread=1,size=32G
scsihw: virtio-scsi-single
smbios1: uuid=d63d0994-98e0-4eb5-ab32-d13c143cd59b
sockets: 1
vmgenid: b942573f-d904-410e-8db9-cc0ffdeb0a1d
 
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