|Subject:||Re: [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop|
|Date:||Fri, 29 May 2015 16:28:48 +0200|
On Thu, May 28, 2015 at 10:03:14AM +0200, Thibaut Collet wrote:
> For netdev backend with no receive callback, packets must not be enqueued. When
> VM stops the enqueued packets are purged (see fixes ca77d85e1dbf). That causes a
> qemu segfault due to a call of a NULL pointer function.
virtio-net NIC <-> vhost-user should bypass the QEMU net subsystem since
rx/tx virtqueues are handled outside the QEMU process. Who is enqueuing
packets on vhost-user's incoming_queue?
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