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  • #2678

Closed
Open
Opened Mar 24, 2020 by hexchain@hexchain

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)

screenshot-2020-03-24-15-48-45

screenshot-2020-03-24-15-51-03

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

Edited Jul 20, 2020 by hexchain
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information
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Reference: mesa/mesa#2678