id = 492
title = "[git] \"qemu-system-x86_64: Parameter 'drive' is missing\" when I tried to launch an existing VM in Virt-Manager."
state = "closed"
created_at = "2021-07-19T19:32:49.110Z"
closed_at = "2021-07-19T19:43:30.288Z"
labels = []
url = "https://gitlab.com/qemu-project/qemu/-/issues/492"
host-os = "n/a"
host-arch = "x86_64"
qemu-version = "n/a"
guest-os = "n/a"
guest-arch = "n/a"
description = """This bug is related in some way to bug #488.

I cannot start an existing virtual machine using qemu-git."""
reproduce = "n/a"
additional = """```
internal error: process exited while connecting to monitor: 2021-07-19T19:24:27.044654Z qemu-system-x86_64: Parameter 'drive' is missing

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 65, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 101, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 57, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/object/domain.py", line 1329, in startup
    self._backend.create()
  File "/usr/lib/python3.9/site-packages/libvirt.py", line 1353, in create
    raise libvirtError('virDomainCreate() failed')
libvirt.libvirtError: internal error: process exited while connecting to monitor: 2021-07-19T19:24:27.044654Z qemu-system-x86_64: Parameter 'drive' is missing

```

My last working build was made using commit 9bef7ea9. Using Peter Maydell commits as milestone, I noticed commit 9aef0954 was the first showing the bug.

I'll try to do bisect between these two commits and report asap. There is about 40 commits to verify."""