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peripherals: 0.932
graphic: 0.928
performance: 0.919
device: 0.914
semantic: 0.755
permissions: 0.671
PID: 0.667
architecture: 0.651
debug: 0.633
boot: 0.594
network: 0.567
register: 0.513
VMM: 0.511
files: 0.508
user-level: 0.502
vnc: 0.452
arm: 0.444
assembly: 0.437
risc-v: 0.374
socket: 0.365
ppc: 0.362
virtual: 0.351
mistranslation: 0.328
kernel: 0.239
TCG: 0.217
hypervisor: 0.208
i386: 0.127
KVM: 0.101
x86: 0.034
-display sdl causes mice with relative movement to read garbage offsets
Description of problem:
`-device virtio-mouse` and `-device usb-mouse` (and probably other mice which send relative mouse movement data) are behaving incorrectly under linux guest and jitter a lot. In this specific case it only seems to happen with `-display sdl` as I could not reproduce this same issue with other of the following configurations: `-display gtk` and `-display spice-app` running with virt-viewer.
This behavior is not present when running a Windows guest with the same configuration using `-display sdl`
Another weird side note: this behavior is less apparent when running `evtest` on the exact mouse device having issues.
Steps to reproduce:
1. Install guest operating system
2. Install gnome metapackage and enable GDM
3. Reboot
4. The mouse shows jittery motion on the GDM screen.
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