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[Qemu-devel] [Bug 1592315] [NEW] Windows 10 continuous screen refresh if
From: |
Greg Fleury |
Subject: |
[Qemu-devel] [Bug 1592315] [NEW] Windows 10 continuous screen refresh if resize guest to match window size is selected with QXL |
Date: |
Tue, 14 Jun 2016 08:54:58 -0000 |
Public bug reported:
When VDA-Agent starts up, I get a continuous flicker of the screen. This
is almost like a screen refresh, where I am not even able to really
click on things and/or open menus.
Running Windows 10, x64
app-emulation/spice-0.13.1-r2::gentoo
net-misc/spice-gtk-0.31::gentoo
app-emulation/spice-protocol-0.12.11::gentoo
app-emulation/qemu--2.6.0::gentoo
nvidia-drivers-367.18
xorg-server-1.18.3
Kernel string:
Linux wks-ros 4.4.11 #6 SMP PREEMPT Mon May 30 00:01:35 MDT 2016 x86_64
Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz GenuineIntel GNU/Linux
Launch string:
SPICE_PORT=5924
DRIVERS_IMG=media/virtio-win-0.1.118.iso
SYSTEM_DISK=system.disk
BIOS_ROM="OVMF.fd"
DVDROM_DRIVE="/dev/sr0"
VM_NAME="Windows 10 x64 VM"
/usr/bin/qemu-system-x86_64 \
-machine accel=kvm \
-acpitable file="acpi_slic.bin" \
-bios "${BIOS_ROM}" \
-no-shutdown \
-cpu qemu64,+ssse3,+sse4.1,+sse4.2 \
-smp cpus=2,sockets=2,cores=1,threads=1 \
-m 16G \
-realtime mlock=off \
-drive file="${SYSTEM_DISK}",if=virtio \
-spice
port=${SPICE_PORT},addr=127.0.0.1,disable-ticketing,image-compression=off,seamless-migration=on
\
-chardev spicevmc,id=charchannel0,name=vdagent \
-device virtio-serial-pci -chardev spicevmc,id=vdagent,debug=0,name=vdagent
\
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
-device qxl-vga,id=video0 \
-device virtio-balloon-pci,id=balloon0 \
-rtc base=localtime,driftfix=slew \
-name "${VM_NAME}" & exec spicy --title "${VM_NAME}" 127.0.0.1 -p
${SPICE_PORT}
Some additional interesting things I've observed:
* If the QXL driver is not installed, then the flicker doesn't happen
* As soon as i enable the VDA Agent, the annoying flicker / screen refresh
begins
* When I disable the VDA Agent, same thing happens.
- I tried Windows-Guest-Tools-0.100 and version 0.0103-r1
- And an assortment of QXL drivers, (WDM, proper for Windows 10).
As a workaround, I can set "Scale display" to On, and "Resize Guest to Match"
to off (using Spicy-gtk). This stops the flicker.
- Another strange thing is that I my XQL driver in Windows shows 8GB of
Video mem. I am not sure how/why this is, as I have not seen this
before.
** Affects: qemu
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/1592315
Title:
Windows 10 continuous screen refresh if resize guest to match window
size is selected with QXL
Status in QEMU:
New
Bug description:
When VDA-Agent starts up, I get a continuous flicker of the screen.
This is almost like a screen refresh, where I am not even able to
really click on things and/or open menus.
Running Windows 10, x64
app-emulation/spice-0.13.1-r2::gentoo
net-misc/spice-gtk-0.31::gentoo
app-emulation/spice-protocol-0.12.11::gentoo
app-emulation/qemu--2.6.0::gentoo
nvidia-drivers-367.18
xorg-server-1.18.3
Kernel string:
Linux wks-ros 4.4.11 #6 SMP PREEMPT Mon May 30 00:01:35 MDT 2016
x86_64 Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz GenuineIntel GNU/Linux
Launch string:
SPICE_PORT=5924
DRIVERS_IMG=media/virtio-win-0.1.118.iso
SYSTEM_DISK=system.disk
BIOS_ROM="OVMF.fd"
DVDROM_DRIVE="/dev/sr0"
VM_NAME="Windows 10 x64 VM"
/usr/bin/qemu-system-x86_64 \
-machine accel=kvm \
-acpitable file="acpi_slic.bin" \
-bios "${BIOS_ROM}" \
-no-shutdown \
-cpu qemu64,+ssse3,+sse4.1,+sse4.2 \
-smp cpus=2,sockets=2,cores=1,threads=1 \
-m 16G \
-realtime mlock=off \
-drive file="${SYSTEM_DISK}",if=virtio \
-spice
port=${SPICE_PORT},addr=127.0.0.1,disable-ticketing,image-compression=off,seamless-migration=on
\
-chardev spicevmc,id=charchannel0,name=vdagent \
-device virtio-serial-pci -chardev
spicevmc,id=vdagent,debug=0,name=vdagent \
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
-device qxl-vga,id=video0 \
-device virtio-balloon-pci,id=balloon0 \
-rtc base=localtime,driftfix=slew \
-name "${VM_NAME}" & exec spicy --title "${VM_NAME}" 127.0.0.1 -p
${SPICE_PORT}
Some additional interesting things I've observed:
* If the QXL driver is not installed, then the flicker doesn't happen
* As soon as i enable the VDA Agent, the annoying flicker / screen refresh
begins
* When I disable the VDA Agent, same thing happens.
- I tried Windows-Guest-Tools-0.100 and version 0.0103-r1
- And an assortment of QXL drivers, (WDM, proper for Windows 10).
As a workaround, I can set "Scale display" to On, and "Resize Guest to Match"
to off (using Spicy-gtk). This stops the flicker.
- Another strange thing is that I my XQL driver in Windows shows 8GB
of Video mem. I am not sure how/why this is, as I have not seen this
before.
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- [Qemu-devel] [Bug 1592315] [NEW] Windows 10 continuous screen refresh if resize guest to match window size is selected with QXL,
Greg Fleury <=