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+id = 1193
+title = "io_uring / iothread regression 7.1.0"
+state = "closed"
+created_at = "2022-09-04T21:43:28.056Z"
+closed_at = "2022-10-31T10:11:49.427Z"
+labels = ["Storage", "workflow::Triaged"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1193"
+host-os = "Arch Linux"
+host-arch = "x86_64"
+qemu-version = "7.1.0"
+guest-os = "All"
+guest-arch = "x86-64"
+description = """After upgrading to 7.1.0, some of my libvirt VM's failed to boot. I have narrowed down the issue to the combination of:
+
+- io_uring
+- iothread"""
+reproduce = """1. set up a VM with iothread and io_uring
+2. try to boot and watch it "hang""""
+additional = """Here's the relevant command line from the libvirt log:
+```
+-blockdev '{"driver":"file","filename":"/mnt/data/VMs/Arch-Linux-x86_64-basic.qcow2","aio":"io_uring","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \\
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"qcow2","file":"libvirt-1-storage","backing":null}' \\
+-device '{"driver":"virtio-blk-pci","iothread":"iothread1","bus":"pci.4","addr":"0x0","drive":"libvirt-1-format","id":"virtio-disk0","bootindex":1 }' \\
+```"""