https://bugs.kde.org/show_bug.cgi?id=393804
Bug ID: 393804
Summary: Clipboard freezes when KVM/QEMU VM window is opened
using virt-manager
Product: plasmashell
Version: 5.11.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: ad.ruc...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
Recently I powered on older laptop with Fedora 26 with KDE Plasma that hasn’t
been updated for some time. After update I quickly realized that there is
something wrong with clipboard.
On F26 without updates I was used to open multiple local KVM/QEMU VMs via
virt-manager and for example one or two VMs on remote host over LAN and
everything worked well - Windows VMs with installed Spice drivers and Fedora 26
VMs that have spice-vdagent installed by default. Copy & pasting text between
VMs or just within host worked just fine.
Then I updated F26 host. Clipboard worked just fine until I opened some VM
windows. After that clipboard freezes time to time when pasting. Sometime
pasting just don’t work and sometime when you press Ctrl + V all keyboard
inputs freeze and keyboard simple stop working for a couple of seconds. The
only workaround is to close VM windows or wait.
This is extremely irritating since you never know if Paste will or won’t work.
I also tested this issue on F27 and F28 and KDE Neon which tells me that this
is not a problem of Fedora implementation. This issue is less annoying on newer
versions of Plasma (5.12) where it does not lock input – pasting just don’t
work.
Everything is OK for:
Fedora
# plasma-*-5.10.5
# kf5-*-5.35.0 / 17.04.1
# qt5-*-5.7.1
and Debian
# plasma-*-5.8.6
This tells me that the bug was introduced in 5.10.5 or later.
Steps to Reproduce:
1. Install F26 KDE Plasma, do not update
2. Run multiple VMs, some with F26 KDE Plasma, some with Windows with Spice
drivers
3. Open virt-manager VM windows
4. Copy and paste in host inside for example Kate or between host and VM –
everything works just fine
5. Update F26 host
6. Again copy/cut and paste – paste sometime won’t work and sometime it will
also freeze keyboard for a couple of seconds
7. Close VM windows
8. Everything is OK again
Thank you for you great work! I do love Plasma ;-)
Kind regards,
Adam
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