I think there is quite a bit of information missing here? Which host OS
/ distribution are we talking about here? Which parameters were used for
"configure"? Which QEMU version has been used? Is it still reproducible
with the latest version? ... thus I wonder whether this should get
closed, or whether it's worth the effort to move this to the new tracker
at Gitlab?
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1886306
Title:
qemu running slow when the window is in background
Status in QEMU:
Incomplete
Bug description:
Reported by <jedinix> on IRC:
QEMU almost freezes when running with `GDK_BACKEND=x11` set and the
parameter `gl=on` added to the `-display` option.
GDK_BACKEND=x11 qemu-system-x86_64 -nodefaults -no-user-config
-enable-kvm -machine q35 -cpu host -m 4G -display gtk,gl=on -vga std
-usb -device usb-kbd -drive
file=/tmp/Win10.qcow2,media=disk,format=qcow2 -drive
file=~/Downloads/Win10_2004_EnglishInternational_x64.iso,media=cdrom
Leaving out `GDK_BACKEND=x11` or `gl=on` fixes the issue.
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