From: Jason Wang <jasowang@redhat.com>
To: gaowanlong@cn.fujitsu.com
Cc: krkumar2@in.ibm.com, aliguori@us.ibm.com, kvm@vger.kernel.org,
mst@redhat.com, mprivozn@redhat.com, rusty@rustcorp.com.au,
qemu-devel@nongnu.org, stefanha@redhat.com,
jwhan@filewood.snu.ac.kr, shiyer@redhat.com
Subject: Re: [PATCH 10/12] virtio-net: multiqueue support
Date: Tue, 08 Jan 2013 17:51:28 +0800 [thread overview]
Message-ID: <50EBEC20.3070805@redhat.com> (raw)
In-Reply-To: <50EBEB91.8010604@cn.fujitsu.com>
On 01/08/2013 05:49 PM, Wanlong Gao wrote:
> On 01/08/2013 05:29 PM, Jason Wang wrote:
>> On 01/08/2013 05:07 PM, Wanlong Gao wrote:
>>> On 12/28/2012 06:32 PM, Jason Wang wrote:
>>>> + } else if (nc->peer->info->type != NET_CLIENT_OPTIONS_KIND_TAP) {
>>>> + ret = -1;
>>>> + } else {
>>>> + ret = tap_detach(nc->peer);
>>>> + }
>>>> +
>>>> + return ret;
>>>> +}
>>>> +
>>>> +static void virtio_net_set_queues(VirtIONet *n)
>>>> +{
>>>> + int i;
>>>> +
>>>> + for (i = 0; i < n->max_queues; i++) {
>>>> + if (i < n->curr_queues) {
>>>> + assert(!peer_attach(n, i));
>>>> + } else {
>>>> + assert(!peer_detach(n, i));
>>> I got a assert here,
>>> qemu-system-x86_64: /work/git/qemu/hw/virtio-net.c:330: virtio_net_set_queues: Assertion `!peer_detach(n, i)' failed.
>>>
>>> Any thoughts?
>>>
>>> Thanks,
>>> Wanlong Gao
>> Thanks for the testing, which steps or cases did you met this assertion,
>> migration, reboot or just changing the number of virtqueues?
> I use the 3.8-rc2 to test it again, I saw this tag has the multi-tap support.
>
> I just can't start the QEMU use -netdev tap,id=hostnet0,queues=2,fd=%d,fd=%d -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:ce:7b:29,bus=pci.0,addr=0x3
>
> I pre-opened two tap fds, did I missing something?
Nothing missed :) It should work.
Could you please try not use fd=X and let qemu to create the file
descriptors by itself? Btw, how did you create the two tap fds?
Thanks
>
> Thanks,
> Wanlong Gao
>
>>>> + }
>>>> + }
>>>> +}
>>>> +
>>>> +static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue, int ctrl);
>>>> +
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe kvm" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>
>
next prev parent reply other threads:[~2013-01-08 9:51 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 10:31 [PATCH 00/12] Multiqueue virtio-net Jason Wang
2012-12-28 10:31 ` [PATCH 01/12] tap: multiqueue support Jason Wang
2013-01-09 9:56 ` Stefan Hajnoczi
2013-01-09 15:25 ` Jason Wang
2013-01-10 8:32 ` Stefan Hajnoczi
2013-01-10 10:28 ` Stefan Hajnoczi
2013-01-10 13:52 ` Jason Wang
2012-12-28 10:31 ` [PATCH 02/12] net: introduce qemu_get_queue() Jason Wang
2012-12-28 10:31 ` [PATCH 03/12] net: introduce qemu_get_nic() Jason Wang
2012-12-28 10:31 ` [PATCH 04/12] net: intorduce qemu_del_nic() Jason Wang
2012-12-28 10:31 ` [PATCH 05/12] net: multiqueue support Jason Wang
2012-12-28 18:06 ` Blue Swirl
2012-12-28 10:31 ` [PATCH 06/12] vhost: " Jason Wang
2012-12-28 10:31 ` [PATCH 07/12] virtio: introduce virtio_queue_del() Jason Wang
2013-01-08 7:14 ` Michael S. Tsirkin
2013-01-08 9:28 ` Jason Wang
2012-12-28 10:32 ` [PATCH 08/12] virtio: add a queue_index to VirtQueue Jason Wang
2012-12-28 10:32 ` [PATCH 09/12] virtio-net: separate virtqueue from VirtIONet Jason Wang
2012-12-28 10:32 ` [PATCH 10/12] virtio-net: multiqueue support Jason Wang
2012-12-28 17:52 ` Blue Swirl
2013-01-04 5:12 ` Jason Wang
2013-01-04 20:41 ` Blue Swirl
2013-01-08 9:07 ` [Qemu-devel] " Wanlong Gao
2013-01-08 9:29 ` Jason Wang
2013-01-08 9:32 ` [Qemu-devel] " Wanlong Gao
2013-01-08 9:49 ` Wanlong Gao
2013-01-08 9:51 ` Jason Wang [this message]
2013-01-08 10:00 ` Wanlong Gao
2013-01-08 10:14 ` Jason Wang
2013-01-08 11:24 ` [Qemu-devel] " Wanlong Gao
2013-01-09 3:11 ` Jason Wang
2013-01-09 8:23 ` Wanlong Gao
2013-01-09 9:30 ` Jason Wang
2013-01-09 10:01 ` [Qemu-devel] " Wanlong Gao
2013-01-09 15:26 ` Jason Wang
2013-01-10 6:43 ` Jason Wang
2013-01-10 6:49 ` Wanlong Gao
2013-01-10 7:16 ` Jason Wang
2013-01-10 9:06 ` Wanlong Gao
2013-01-10 9:40 ` [Qemu-devel] " Jason Wang
2012-12-28 10:32 ` [PATCH 11/12] virtio-net: migration support for multiqueue Jason Wang
2013-01-08 7:10 ` Michael S. Tsirkin
2013-01-08 9:27 ` Jason Wang
2012-12-28 10:32 ` [PATCH 12/12] virtio-net: compat multiqueue support Jason Wang
2013-01-09 14:29 ` [Qemu-devel] [PATCH 00/12] Multiqueue virtio-net Stefan Hajnoczi
2013-01-09 15:32 ` Michael S. Tsirkin
2013-01-09 15:33 ` Jason Wang
2013-01-10 8:44 ` Stefan Hajnoczi
2013-01-10 9:34 ` [Qemu-devel] " Jason Wang
2013-01-10 11:49 ` Stefan Hajnoczi
2013-01-10 14:15 ` Jason Wang
2013-01-14 19:44 ` Anthony Liguori
2013-01-15 10:12 ` Jason Wang
2013-01-16 15:09 ` Anthony Liguori
2013-01-16 15:19 ` Michael S. Tsirkin
2013-01-16 16:14 ` Anthony Liguori
2013-01-16 16:48 ` Michael S. Tsirkin
2013-01-17 10:31 ` [Qemu-devel] " Michael S. Tsirkin
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