I915ovmfrom Upd -

export GALLIUM_DRIVER=llvmpipe export MESA_GL_VERSION_OVERRIDE=3.3 Or in QEMU:

In the sprawling world of Linux kernel modules, hardware drivers, and virtual machine logs, users occasionally stumble upon cryptic strings that seem to defy immediate explanation. One such string that has been generating quiet but consistent traffic in technical forums and support tickets is .

# On Ubuntu sudo apt install linux-oem-22.04d # On Fedora sudo dnf update kernel --releasever=39 Inside the VM or container, force LLVMpipe: i915ovmfrom upd

The good news: The Linux kernel community is actively refactoring the i915 memory management code. With the introduction of and VirtIO-GPU native context support in kernel 6.6+, the ovmfrom upd family of errors will likely become legacy within 12–18 months.

virsh dumpxml your-vm | grep -i "video\|model type" Look for <model type='virtio'/> or <model type='none'/> . The error is more common with virtio-gpu than with cirrus or vga . Depending on your use case, try the following solutions. A. Disable Hardware Overlay Planes (Quick Workaround) Add the following kernel parameter to your host’s GRUB configuration: With the introduction of and VirtIO-GPU native context

The ovm part of our keyword likely relates to —a technique to map guest physical addresses to host physical addresses in a nested virtualized environment (e.g., running Docker inside a KVM VM on an Intel host). 3. What is OVM? (Oracle VM vs. Overlay VM) Two interpretations exist for "OVM" in this context. A. Oracle VM Server (Less Likely) Oracle VM Server for x86 uses a modified Xen hypervisor. Some legacy bug reports from 2018–2020 mention i915 errors inside Oracle VM DomUs (guests). However, ovmfrom is not a standard Oracle VM string. B. Overlay Virtual Machine / Overlay Memory (Most Likely) In the Linux kernel’s drm/i915 subsystem, "overlay" refers to a hardware overlay plane—a separate display pipeline that can scan out video frames without compositing. The ovm abbreviation has been spotted in the intel_overlay.c source code.

Also ensure your version is >= 22.3.0, as earlier versions had broken dri2 buffer exchange logic when dealing with overlay planes. Depending on your use case, try the following solutions

| Scenario | Environment | Typical Symptom | |----------|-------------|----------------| | | QEMU/KVM + VFIO | Guest display freezes, then recovers; error in host dmesg | | Using Intel GVT-g (Shared GPU) | KVM with i915-GVTg_V5_8 | VM fails to boot with "Failed to set domain page" | | Running Wayland compositor inside VM | Weston, Gnome on VM with VirtIO-GPU | Random artifacts, then session restart | | Unprivileged LXC container with GPU access | LXC + lxc.cgroup2.devices.allow | Containerized OpenGL app crashes, kernel splat | | Intel Ice Lake / Tiger Lake mobile CPUs | Laptops with hybrid graphics | Battery drain + constant i915ovmfrom upd retries |