add gemma accelerator classification results

1 files changed, 41 insertions, 0 deletions

diff --git a/results/classifier/accel-gemma3:12b/kvm/1784900 b/results/classifier/accel-gemma3:12b/kvm/1784900
new file mode 100644
index 00000000..f0dae0ff
--- /dev/null
+++ b/results/classifier/accel-gemma3:12b/kvm/1784900
@@ -0,0 +1,41 @@
+
+QEMU (frontend) crashes upon warm reboot with virtio-gpu device and vga=775 on Linux cmdline
+
+With vga=775 on the Linux command line a first boot of the VM running Linux works fine. After a warm reboot it crashes during Linux boot. The VM was used remotely via virt-manager and VNC.
+
+Bisecting the code lead to the following patch that introduced the bug:
+
+commit 1fccd7c5a9a722a9cbf1bc91693f4618034f01ac (HEAD, refs/bisect/bad)
+Author: Gerd Hoffmann <email address hidden>
+Date:   Mon Jul 2 18:24:43 2018 +0200
+
+    virtio-gpu: disable scanout when backing resource is destroyed
+
+    Signed-off-by: Gerd Hoffmann <email address hidden>
+    Reviewed-by: Marc-André Lureau <email address hidden>
+    Message-id: <email address hidden>
+
+diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
+index 336dc59007..08cd567218 100644
+--- a/hw/display/virtio-gpu.c
++++ b/hw/display/virtio-gpu.c
+@@ -430,6 +430,16 @@ static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id)
+ static void virtio_gpu_resource_destroy(VirtIOGPU *g,
+                                         struct virtio_gpu_simple_resource *res)
+ {
++    int i;
++
++    if (res->scanout_bitmask) {
++        for (i = 0; i < g->conf.max_outputs; i++) {
++            if (res->scanout_bitmask & (1 << i)) {
++                virtio_gpu_disable_scanout(g, i);
++            }
++        }
++    }
++
+     pixman_image_unref(res->image);
+     virtio_gpu_cleanup_mapping(res);
+     QTAILQ_REMOVE(&g->reslist, res, next);
+
+
+Reported backtraces can be found here:  https://paste.fedoraproject.org/paste/OUDEfCk1IY7xiy0I0PDlkw
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