From: "Zhangjie (HZ)" <zhangjie14@huawei.com>
To: Jason Wang <jasowang@redhat.com>, qemu-devel@nongnu.org, mst@redhat.com
Cc: William Dauchy <wdauchy@gmail.com>
Subject: Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly
Date: Wed, 20 Aug 2014 17:23:21 +0800 [thread overview]
Message-ID: <53F46909.2040101@huawei.com> (raw)
In-Reply-To: <1408424189-10510-1-git-send-email-jasowang@redhat.com>
On 2014/8/19 12:56, Jason Wang wrote:
> commit a9f98bb5ebe6fb1869321dcc58e72041ae626ad8 vhost: multiqueue
call it before setting
> Zhang Jie, please test this patch to see if it fixes the issue.
> +static void vhost_net_set_vq_index(struct vhost_net *net, int vq_index)
> +{
> + net->dev.vq_index = vq_index;
> +}
int vq_index)
> ...
Because of vhost_net_set_vq_index, VM can be start successfully.
But, after about 80 times of migration under my environment, virtual nic became unreachable again.
When I use jprobe to notify tap, the virtual nic becomes reachable again. This shows that interrupts missing causes
the problem.
--
Best Wishes!
Zhang Jie
next prev parent reply other threads:[~2014-08-20 9:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-19 4:56 [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly Jason Wang
2014-08-20 9:02 ` William Dauchy
2014-08-20 9:23 ` Zhangjie (HZ) [this message]
2014-08-20 10:18 ` Michael S. Tsirkin
2014-08-20 21:21 ` Michael S. Tsirkin
2014-08-21 7:37 ` Zhangjie (HZ)
2014-08-21 4:29 ` Jason Wang
2014-08-21 6:28 ` Zhangjie (HZ)
2014-08-21 6:53 ` Jason Wang
2014-08-21 7:42 ` Zhangjie (HZ)
2014-08-27 12:59 ` Michael S. Tsirkin
2014-08-29 10:40 ` Zhangjie (HZ)
2014-09-01 8:18 ` Michael S. Tsirkin
2014-09-05 8:06 ` Zhangjie (HZ)
2014-08-22 2:56 ` Jason Wang
2014-08-27 11:54 ` Michael S. Tsirkin
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