[Qemu-devel] [Bug 1390520] Re: virtual machine fails to start with connected audio cd

[ChristianEhrhardt]

I'm actually not so convinced this is "supposed" or expected to work, it
might be worth to subscribe upstream qemu to get an expertise on that.

** Also affects: qemu
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1390520

Title:
  virtual machine fails to start with connected audio cd

Status in QEMU:
  New
Status in libvirt package in Ubuntu:
  Confirmed
Status in libvirt source package in Trusty:
  Confirmed

Bug description:
  when connecting a data cd with a virtual machine (IDE CDROM 1), the virtual 
machine starts up and the data cd is accessable (for example to install 
software package or drivers),
  but connecting an audio cd the following error appears:

  
-------------------------------------------------------------------------------------------------------------------------------
  cannot read header '/dev/sr0': Input/output error

  Traceback (most recent call last):
    File "/usr/share/virt-manager/virtManager/details.py", line 2530, in 
_change_config_helper
      func(*args)
    File "/usr/share/virt-manager/virtManager/domain.py", line 850, in 
hotplug_storage_media
      self.attach_device(devobj)
    File "/usr/share/virt-manager/virtManager/domain.py", line 798, in 
attach_device
      self._backend.attachDevice(devxml)
    File "/usr/lib/python2.7/dist-packages/libvirt.py", line 493, in 
attachDevice
      if ret == -1: raise libvirtError ('virDomainAttachDevice() failed', 
dom=self)
  libvirtError: cannot read header '/dev/sr0': Input/output error
  
----------------------------------------------------------------------------------------------------------------------------

  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04

  qemu:
    Installiert:           2.0.0+dfsg-2ubuntu1.6
    Installationskandidat: 2.0.0+dfsg-2ubuntu1.6

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