diff options
Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/553')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/553 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/553 b/results/classifier/accel-gemma3:12b/kvm/553 new file mode 100644 index 000000000..87e1ff676 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/553 @@ -0,0 +1,26 @@ + +Virtio-vga with blobs on fails, when qemu compiled with enabled modules +Description of problem: +When using qemu configured with `--enabled-modules` and starting qemu with command line above, qemu crashes with following output: +``` +qemu-system-x86_64: -device virtio-vga,blob=on: cannot enable blob resources without udmabuf +``` +While qemu configured without `--enabled-modules` runs this command successfully. +Steps to reproduce: +1. Get latest qemu source code +2. Build qemu `mkdir build && cd build && ../configure && ninja` +3. Check if following command runs without errors and show sdl qemu window + ``` + sudo ./qemu-system-x86_64 \ + -object memory-backend-memfd,id=mem1,size=512M \ + -machine memory-backend=mem1 \ + -display sdl \ + -device virtio-vga,blob=on + + ``` +4. Then try to build with modules enabled `mkdir build && cd build && ../configure --enable-modules && ninja` +5. Try to do step 3 again +Additional information: +I tried to debug this bug, and found that problem is with function `virtio_gpu_have_udmabuf`: when qemu is build without modules this function is from `hw/display/virtio-gpu-udmabuf.c` (which is correct), but when qemu compiled with modules this function comes from `stubs/virtio-gpu-udmabuf.c` and when `hw-display-virtio-gpu.so` is loaded, `virtio_gpu_have_udmabuf` is not replaced, and remains function from stub (which always return 0) and command fails. + +I think I will submit patch that fix it tomorrow |