From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: Re: Virtio driver lockup in KVM
Date: Mon, 19 Dec 2016 09:29:32 +0100
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References: <CANNY8mk5XM1tRyPyEpo4ogypaQKCArqCLjDDK6pK2-DpCDnMdA@mail.gmail.com>
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To: Sreenaath Vasudevan <sreenaath@viptela.com>, dev@dpdk.org
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Hi Sreenaath,

On 12/19/2016 09:21 AM, Sreenaath Vasudevan wrote:
> Hi
> I am running a DPDK application with virtio driver and ran in to driver rx
> lockup issue.
Are you running vhost-user DPDK backend on host or Kernel backend?

> The application seems to be running fine for couple of hours before it
> stops receiving packets on the interface. Transmission of packets seems to
> work fine on the same interface while reception of packets stop.
> Has anyone run in to anything similar?
Not that I am aware, I would suggest you recompile DPDK with debug,
attach to the DPDK process when it happens and check what PMd threads
are doing.

>
> Following is the environment
> Application runnign dpdk-2.2
> VM running on KVM hypervisor using VIRTIO driver
>

Cheers,
Maxime