On 2012-10-30 17:47, Paolo Bonzini wrote:
> Il 30/10/2012 13:16, Paolo Bonzini ha scritto:
>> A simplified reproducer (that doesn't hang Linux,
>> but shows the message) is to start the VM without a backend for the
>> virtserialport, and to resume it with a backend, for example
>>
>> $ qemu-system-
Il 30/10/2012 13:16, Paolo Bonzini ha scritto:
> A simplified reproducer (that doesn't hang Linux,
> but shows the message) is to start the VM without a backend for the
> virtserialport, and to resume it with a backend, for example
>
> $ qemu-system-x86_64 -device virtio-serial-pci -device virtser
Alexander Larsson reported a migration bug where after migration
the Windows virtio-serial driver was not able to read anymore, not seeing
the data from the host. He debugged it and noticed that after migration
the virtio-serial driver ddid not respond to any irqs.
During restore we virtio_notify