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Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers proper
From: |
Jason Wang |
Subject: |
Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly |
Date: |
Thu, 21 Aug 2014 12:29:35 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 |
On 08/20/2014 05:23 PM, Zhangjie (HZ) wrote:
> 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.
Thanks for the testing. A questions is can you reproduce this when vhost
is disabled?
Anyway, I will try to reproduce it by myself.
- [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Jason Wang, 2014/08/19
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, William Dauchy, 2014/08/20
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Zhangjie (HZ), 2014/08/20
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly,
Jason Wang <=
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Zhangjie (HZ), 2014/08/21
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Jason Wang, 2014/08/21
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Zhangjie (HZ), 2014/08/21
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Michael S. Tsirkin, 2014/08/27
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Zhangjie (HZ), 2014/08/29
- Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Jason Wang, 2014/08/21
Re: [Qemu-devel] [PATCH V3] vhost_net: start/stop guest notifiers properly, Michael S. Tsirkin, 2014/08/27