1 files changed, 50 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2276.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2276.toml
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index 00000000..a62e2386
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+++ b/gitlab/issues/target_missing/host_missing/accel_missing/2276.toml
@@ -0,0 +1,50 @@
+id = 2276
+title = "qemu crash for  suspend and resume vm while backup disk of vm"
+state = "opened"
+created_at = "2024-04-10T01:06:24.572Z"
+closed_at = "n/a"
+labels = ["Storage", "device:virtio"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2276"
+host-os = "centos9"
+host-arch = "ARM"
+qemu-version = "qemu-7.0、qemu-7.1、qemu-7.2、qemu-8.0"
+guest-os = "- OS/kernel version:"
+guest-arch = "## Description of problem"
+description = """![image](/uploads/40e41df2dab7e0d3dacb6c07c1bf42b1/image.png)"""
+reproduce = """1. virsh create vm2.xml
+2. virsh backup-begin domid
+3. virsh suspend domid
+4. sleep 1 && virsh resume domid
+
+qemu crash"""
+additional = """static int blk_do_set_aio_context(BlockBackend *blk, AioContext *new_context,
+                                  bool update_root_node, Error **errp)
+{
+    BlockDriverState *bs = blk_bs(blk);
+    ThrottleGroupMember *tgm = &blk->public.throttle_group_member;
+    int ret;
+
+    if (bs) {
+        bdrv_ref(bs);
+
+        if (update_root_node) {
+            ret = bdrv_child_try_set_aio_context(bs, new_context, blk->root,
+                                                 errp);
+            if (ret < 0) {
+                bdrv_unref(bs);
+                return ret;
+            }
+        }
+        if (tgm->throttle_state) {
+         _   ****bdrv_drained_begin(bs);----- bs->aio_context->lock lock count is 0,so unlock failed**_
+            throttle_group_detach_aio_context(tgm);
+            throttle_group_attach_aio_context(tgm, new_context);
+            bdrv_drained_end(bs);
+        }
+
+        bdrv_unref(bs);
+    }
+
+    blk->ctx = new_context;
+    return 0;
+}"""