<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [iGVT-g][SKL] GPU Hang and iGVT-g guest crash under certain loads" href="https://bugs.freedesktop.org/show_bug.cgi?id=107475#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [iGVT-g][SKL] GPU Hang and iGVT-g guest crash under certain loads" href="https://bugs.freedesktop.org/show_bug.cgi?id=107475">bug 107475</a> from <a class="email" href="mailto:martin.weber@secunet.com" title="Webi <martin.weber@secunet.com>"> Webi</a> <pre>Created <a href="attachment.cgi?id=142813" name="attach_142813" title="dmesg & /sys/class/drm/card0/error">attachment 142813</a> <a href="attachment.cgi?id=142813&action=edit" title="dmesg & /sys/class/drm/card0/error">[details]</a> dmesg & /sys/class/drm/card0/error I can also confirm a GPU hang with the following setup: * CPU: Core i7 7700T (Intel Graphics HD 620) * host kernel: 4.20.0-rc3 (gvt-linux/gvt-next branch) - arguments: i915.enable_gvt=1 kvm.ignore_msrs=1 intel_iommu=on drm.debug=0 (gvt-stable-4.17 did not work due to unsupported 2MiB GTT) * host os: Ubuntu 18.04.1 amd64 * guest os: Windows 10 Pro 1803 Build 17134.1 x86_64 * guest GFX driver: Intel HD Graphics 630 25.20.100.6444 * QEMU: 3.1.0 (IGD Assignment: Legacy mode) - arguments: -machine type=q35,accel=kvm,kernel_irqchip=on -cpu host -bios /usr/bin/bios.bin -drive if=virtio,file=.../Windows10.qcow2,aio=native,cache.direct=on,l2-cache-size=8M -smp 4,cores=4 -m 4G -enable-kvm -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0 -monitor stdio -device qemu-xhci,id=xhci -device usb-tablet -M graphics=off -vga none -display gtk,gl=on -device vfio-pci,sysfsdev=/sys/bus/pci/devices/0000:00:02.0/97d40b8a-f89d-11e8-a95f-4ff9be8f1398,display=on,x-igd-opregion=on * vGPU with WUXGA resolution (i915-GVTg_V5_4) * Mesa: 18.0.5-0ubuntu0~18.04.1 Steps for reproduction: * The GPU hang occurs after some seconds playback of a YouTube video (<a href="https://www.youtube.com/watch?v=I4WIYzizbAs">https://www.youtube.com/watch?v=I4WIYzizbAs</a>) in Chrome in Full-HD resolution on an vGPU within a Windows 10 guest. Do you have any suggestions?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> </ul> </body> </html>