From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: mitali <mitaliyada@cse.iitb.ac.in>
Cc: Priyanka <ppnaik@cse.iitb.ac.in>,
"users@dpdk.org" <users@dpdk.org>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-users] [dpdk-dev] seg fault in InterVM communication using virtio
Date: Thu, 23 Feb 2017 14:27:14 +0800 [thread overview]
Message-ID: <20170223062714.GX18844@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <92b5577b-8c8a-e199-3b65-54323dbea48c@cse.iitb.ac.in>
On Wed, Feb 22, 2017 at 02:25:29PM +0530, mitali wrote:
> Hi Yuanhan,
>
> We are using virt-manager to start the VMs. We are attaching the image which
> shows the vNIC setup for the VMs.
>
> We have written our own dpdk application to send and receive UDP packets. The
> command we are using is
>
> ./build/app/dpdkapi -c 1 -- -p 1 where dpdkapi is our application.
>
> Inside the application we are sending and receiving packets from vNIC using
> rte_eth_tx_burst() and rte_eth_rx_burst().
>
> At the sender side after 127 packets the application stops and we observe a seg
> fault in dmesg. Using the print statements we observed that it faults in
> rte_eth_tx_burst(). All the 127 were received at the receiving VM.
Would you recompile dpdk with debug info enaled, which could be done by:
make ... EXTRA_CFLAGS='-g3 -O0'
And run it with gdb then dump the call stack?
--yliu
next prev parent reply other threads:[~2017-02-23 6:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-20 10:30 [dpdk-users] " Priyanka
2017-02-22 8:43 ` [dpdk-users] [dpdk-dev] " Yuanhan Liu
2017-02-22 8:55 ` mitali
2017-02-23 6:27 ` Yuanhan Liu [this message]
2017-03-01 13:50 ` mitali
2017-03-02 12:23 ` Yuanhan Liu
2017-03-02 12:32 ` mitali
2017-03-02 12:59 ` Yuanhan Liu
2017-03-02 14:00 ` mitali
2017-03-02 11:13 ` ppnaik
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