From: Stefan Hajnoczi <stefanha@gmail.com>
To: Thibaut Collet <thibaut.collet@6wind.com>
Cc: jasowang@redhat.com, qemu-devel@nongnu.org, v.maffione@gmail.com,
stefanha@redhat.com, g.lettieri@iet.unipi.it, rizzo@iet.unipi.it
Subject: Re: [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop
Date: Fri, 29 May 2015 14:12:09 +0100 [thread overview]
Message-ID: <20150529131209.GJ8598@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1432800194-1192-1-git-send-email-thibaut.collet@6wind.com>
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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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next prev parent reply other threads:[~2015-05-29 13:12 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-28 8:03 [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop Thibaut Collet
2015-05-29 13:12 ` Stefan Hajnoczi [this message]
2015-05-29 14:28 ` Thibaut Collet
2015-06-02 10:34 ` Stefan Hajnoczi
2015-06-03 7:56 ` Thibaut Collet
2015-06-03 9:42 ` Jason Wang
2015-06-03 13:40 ` Stefan Hajnoczi
2015-06-04 9:35 ` Jason Wang
2015-06-05 13:24 ` [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user Thibaut Collet
2015-06-08 5:55 ` Jason Wang
2015-06-08 8:21 ` Thibaut Collet
2015-06-08 9:14 ` Jason Wang
2015-06-08 10:01 ` Thibaut Collet
2015-06-08 10:09 ` Michael S. Tsirkin
2015-06-08 10:22 ` Jason Wang
2015-06-08 13:32 ` Stefan Hajnoczi
2015-06-08 14:05 ` Thibaut Collet
2015-06-08 15:13 ` Stefan Hajnoczi
2015-06-08 15:32 ` Thibaut Collet
2015-06-09 10:38 ` Stefan Hajnoczi
2015-06-09 10:43 ` Stefan Hajnoczi
2015-06-08 16:13 ` Michael S. Tsirkin
2015-06-09 2:35 ` Jason Wang
2015-06-08 10:12 ` Michael S. Tsirkin
2015-06-08 11:29 ` Thibaut Collet
2015-06-08 12:45 ` Michael S. Tsirkin
2015-06-08 13:20 ` Thibaut Collet
2015-06-08 15:48 ` Michael S. Tsirkin
2015-06-08 13:25 ` Stefan Hajnoczi
2015-06-03 9:42 ` [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop Stefan Hajnoczi
2015-06-01 9:17 ` Jason Wang
2015-06-01 10:14 ` Thibaut Collet
2015-06-03 9:40 ` Jason Wang
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