diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1784900')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1784900 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1784900 b/results/scraper/launchpad-without-comments/1784900 new file mode 100644 index 000000000..848d949e6 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1784900 @@ -0,0 +1,40 @@ +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 \ No newline at end of file |