B.5. Internal error cannot find character device (null)

Symptom

This error message appears when attempting to connect to a guest virtual machine's console:

virsh console test2 Connected to domain test2 Escape character is ^] error: internal error cannot find character device (null)

# virsh console test2 Connected to domain test2 Escape character is ^] error: internal error cannot find character device (null)

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Investigation

This error message shows that there is no serial console configured for the guest virtual machine.

Solution

Set up a serial console in the guest's XML file.

Procedure B.1. Setting up a serial console in the guest's XML

Add the following XML to the guest virtual machine's XML using virsh edit:

<serial type='pty'>
  <target port='0'/>
</serial>
<console type='pty'>
  <target type='serial' port='0'/>
</console>

<serial type='pty'>
  <target port='0'/>
</serial>
<console type='pty'>
  <target type='serial' port='0'/>
</console>

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Run the followings command:

virsh start vm && virsh console vm

# virsh start vm && virsh console vm

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Volver arriba