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[Qemu-devel] [Bug 1722884] Re: keyboard input while mouse moving trigger
From: |
Geoffrey McRae |
Subject: |
[Qemu-devel] [Bug 1722884] Re: keyboard input while mouse moving triggers mouse failure |
Date: |
Tue, 19 Dec 2017 18:49:47 -0000 |
This bug needs some attention, we just released Looking Glass which
relies heavily on the relative input mode of SPICE which in turn relies
heavily on the virtual i8042 controller. This project has the ability to
completely eliminate the need to dual boot a Linux machine with windows
and is gaining much public attention, if it wasn't for this bug it would
be damn near perfect.
Please see:
https://looking-glass.hostfission.com
https://github.com/gnif/LookingGlass
https://level1techs.com/video/new-tech-iommu-users-looking-glass-headless-passthrough
https://www.phoronix.com/scan.php?page=news_item&px=Looking-Glass-KVM-Frame-Relay
I have already tried to trace this down but between Looking Glass and my
day job I simply don't have time at the moment.
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https://bugs.launchpad.net/bugs/1722884
Title:
keyboard input while mouse moving triggers mouse failure
Status in QEMU:
New
Bug description:
When QEMU is getting a ton of mouse input events if keys are pressed
on the keyboard the scan code will be corrupted causing erroneous
behavior. I have confirmed this problem in the latest version in git
(530049bc1dcc24c1178a29d99ca08b6dd08413e0).
After the erroneous behavior the operating system issues a keyboard
reset which prevents the mouse from functioning until the operating
system is restarted.
This seems to only occur if the PS2 mouse is being used as the input,
the tablet input device doesn't exhibit this behavior.
The same problem was reported here also:
https://openxt.atlassian.net/browse/OXT-562
Host : Debian 9
CPU : Ryzen 1700X
RAM : 16GB
Kernel: 4.12.0-0.bpo.2-amd64
Guest : Windows 10 (KVM)
RAM : 8GB (1GB Huge pages)
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