<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:DengXian;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
@font-face
{font-family:"\@DengXian";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">We have an OVA which may run on systems support or not support interrupt in guest VM.
<o:p></o:p></p>
<p class="MsoNormal">When enable vmxnets interrupt in guest VM that does not support interrupt, dpdk crashes:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#1 0x00007f8aac398859 in __GI_abort () at abort.c:79<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#2 0x0000000000406955 in os_exit (code=<optimized out>) at /opt/project/vpp/vpp-repo/src/vpp/vnet/main.c:440<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#3 0x00007f8aac84c727 in unix_signal_handler (signum=<optimized out>, si=<optimized out>, uc=<optimized out>) at /opt/project/vpp/vpp-repo/src/vlib/unix/main.c:185<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#4 <signal handler called><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#5 0x00007f8a6aef7d06 in vmxnet3_enable_intr.isra () from /usr/lib/x86_64-linux-gnu/vpp_plugins/dpdk_plugin.so<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#6 0x00007f8a6b7ff663 in vmxnet3_dev_rx_queue_intr_enable () from /usr/lib/x86_64-linux-gnu/vpp_plugins/dpdk_plugin.so<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:3.0pt;margin-right:0in;margin-bottom:3.0pt;margin-left:0in">
<span style="font-size:9.0pt;font-family:Consolas;color:#1D1C1D">#7 0x00007f8a6b20de60 in rte_eth_dev_rx_intr_enable () from /usr/lib/x86_64-linux-gnu/vpp_plugins/dpdk_plugin.so<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is there a way to make dpdk fall back to disable interrupt (rather than crash) in this case?
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Bin<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>