16.3. Troubleshooting SR-IOV

This section contains some issues and solutions for problems which may affect SR-IOV.

Error starting the guest

Start the configured vm , an error reported as follows:

virsh start test

# virsh start test
error: Failed to start domain test
error: internal error unable to start guest: char device redirected to
/dev/pts/2
get_real_device: /sys/bus/pci/devices/0000:03:10.0/config: Permission denied
init_assigned_device: Error: Couldn't get real device (03:10.0)!
Failed to initialize assigned device host=03:10.0

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This error is often caused by a device which is already assigned to another guest or to the host itself.

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