Iris driver causing graphics glitch in QEMU spice egl DMA-BUF
System information
- OS: Arch Linux
- GPU: Intel Corporation Iris Plus Graphics 640 [8086:5926] (rev 06)
- Kernel version: 5.5.10-zen1-1-zen
- Mesa version: 20.0.2
- Xserver version (if applicable): 1.20.7
- Desktop manager and compositor: Plasma
Describe the issue
Graphics glitch when running a QEMU VM with SPICE EGL DMA-BUF under the new iris
driver.
Regression
Not sure.
Screenshots/video files (if applicable)
Any extra information would be greatly appreciated
It is able to work around this issue by starting QEMU with i965, see: https://github.com/intel/gvt-linux/issues/142
GVT-g configuration guide: https://wiki.archlinux.org/index.php/Intel_GVT-g