<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <div class="moz-cite-prefix">Hi Maxime/Chenbo, Have you had a chance to look at the data Sampath provided? Regards, Roger On 1/30/23 3:29 PM, Sampath Peechu (speechu) wrote: </div> <blockquote type="cite" cite="mid:MN2PR11MB45816D7BD72CEA1C9EDC6A99BDCE9@MN2PR11MB4581.namprd11.prod.outlook.com"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style>@font-face {font-family:Wingdings; panose-1:5 0 0 0 0 0 0 0 0 0;}@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;}@font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;}p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; font-size:11.0pt; font-family:"Calibri",sans-serif;}a:link, span.MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;}p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph {mso-style-priority:34; margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:.5in; font-size:11.0pt; font-family:"Calibri",sans-serif;}.MsoChpDefault {mso-style-type:export-only; font-size:10.0pt;}div.WordSection1 {page:WordSection1;}ol {margin-bottom:0in;}ul {margin-bottom:0in;}</style> <div class="WordSection1"> Hi Maxime,<o:p></o:p> <o:p> </o:p> Could you please let us know if you got a chance to look at the debugs logs I provided?<o:p></o:p> <o:p> </o:p> Thanks,<o:p></o:p> Sampath<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: Sampath Peechu (speechu) <a class="moz-txt-link-rfc2396E" href="mailto:speechu@cisco.com"> <speechu@cisco.com></a> Date: Tuesday, December 6, 2022 at 1:08 PM To: Maxime Coquelin <a class="moz-txt-link-rfc2396E" href="mailto:maxime.coquelin@redhat.com"> <maxime.coquelin@redhat.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:chenbo.xia@intel.com"> chenbo.xia@intel.com</a> <a class="moz-txt-link-rfc2396E" href="mailto:chenbo.xia@intel.com"> <chenbo.xia@intel.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:dev@dpdk.org"> dev@dpdk.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:dev@dpdk.org"><dev@dpdk.org></a> Cc: Roger Melton (rmelton) <a class="moz-txt-link-rfc2396E" href="mailto:rmelton@cisco.com"> <rmelton@cisco.com></a> Subject: Re: Commit broke 32-bit testpmd app<o:p></o:p> </div> Hi Maxime,<o:p></o:p> <o:p></o:p> Did you get a chance to look into this?<o:p></o:p> <o:p></o:p> Please let me know if you need anything else.<o:p></o:p> <o:p></o:p> Thanks,<o:p></o:p> Sampath<o:p></o:p> <o:p></o:p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: Sampath Peechu (speechu) <a class="moz-txt-link-rfc2396E" href="mailto:speechu@cisco.com"> <speechu@cisco.com></a> Date: Wednesday, November 23, 2022 at 5:15 PM To: Maxime Coquelin <a class="moz-txt-link-rfc2396E" href="mailto:maxime.coquelin@redhat.com"> <maxime.coquelin@redhat.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:chenbo.xia@intel.com"> chenbo.xia@intel.com</a> <a class="moz-txt-link-rfc2396E" href="mailto:chenbo.xia@intel.com"> <chenbo.xia@intel.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:dev@dpdk.org"> dev@dpdk.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:dev@dpdk.org"><dev@dpdk.org></a> Cc: Roger Melton (rmelton) <a class="moz-txt-link-rfc2396E" href="mailto:rmelton@cisco.com"> <rmelton@cisco.com></a> Subject: Re: Commit broke 32-bit testpmd app<o:p></o:p> </div> Hi Maxime,<o:p></o:p> <o:p></o:p> I’m attaching the following for reference.<o:p></o:p> <o:p></o:p> <ul style="margin-top:0in" type="disc"> <li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Instructions for Centos8 test setup</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Diffs between the working and non-working versions (working version has the problem commit backed out)</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Working logs (stats show that ping packets from neighbor VM can be seen with both 64-bit and 32-bit apps)</li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Non-working logs (stats show that ping packets from neighbor VM are seen with 64-bit app but NOT seen with 32-bit app)</li></ul> <o:p></o:p> <o:p></o:p> ============================ <o:p></o:p> <o:p></o:p> $ sudo ./usertools/dpdk-devbind.py --status<o:p></o:p> <o:p></o:p> Network devices using DPDK-compatible driver<o:p></o:p> ============================================<o:p></o:p> 0000:07:00.0 'Virtio network device 1041' drv=igb_uio unused=<o:p></o:p> 0000:08:00.0 'Virtio network device 1041' drv=igb_uio unused=<o:p></o:p> <o:p></o:p> Network devices using kernel driver<o:p></o:p> ===================================<o:p></o:p> 0000:01:00.0 'Virtio network device 1041' if=enp1s0 drv=virtio-pci unused=igb_uio *Active*<o:p></o:p> <o:p></o:p> …<o:p></o:p> ===========================<o:p></o:p> <o:p></o:p> <o:p></o:p> Thanks,<o:p></o:p> Sampath<o:p></o:p> <o:p></o:p> <o:p></o:p> <o:p></o:p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: Maxime Coquelin <a class="moz-txt-link-rfc2396E" href="mailto:maxime.coquelin@redhat.com"> <maxime.coquelin@redhat.com></a> Date: Tuesday, November 22, 2022 at 4:24 AM To: Sampath Peechu (speechu) <a class="moz-txt-link-rfc2396E" href="mailto:speechu@cisco.com"> <speechu@cisco.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:chenbo.xia@intel.com"> chenbo.xia@intel.com</a> <a class="moz-txt-link-rfc2396E" href="mailto:chenbo.xia@intel.com"> <chenbo.xia@intel.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:dev@dpdk.org"> dev@dpdk.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:dev@dpdk.org"><dev@dpdk.org></a> Cc: Roger Melton (rmelton) <a class="moz-txt-link-rfc2396E" href="mailto:rmelton@cisco.com"> <rmelton@cisco.com></a> Subject: Re: Commit broke 32-bit testpmd app<o:p></o:p> </div> <div> Hi, In my initial reply (see below), I also asked if you had logs to share. And wondered whether it happens with Virtio PCI or Virtio-user? Regards, Maxime On 11/16/22 00:30, Sampath Peechu (speechu) wrote: > ++ <a class="moz-txt-link-abbreviated" href="mailto:dev@dpdk.org">dev@dpdk.org</a> <<a href="mailto:dev@dpdk.org" moz-do-not-send="true">mailto:dev@dpdk.org</a>> > > *From: *Maxime Coquelin <a class="moz-txt-link-rfc2396E" href="mailto:maxime.coquelin@redhat.com"> <maxime.coquelin@redhat.com></a> > *Date: *Tuesday, November 15, 2022 at 3:19 AM > *To: *Sampath Peechu (speechu) <a class="moz-txt-link-rfc2396E" href="mailto:speechu@cisco.com"> <speechu@cisco.com></a>, <a class="moz-txt-link-abbreviated" href="mailto:chenbo.xia@intel.com"> chenbo.xia@intel.com</a> > <a class="moz-txt-link-rfc2396E" href="mailto:chenbo.xia@intel.com"><chenbo.xia@intel.com></a> > *Cc: *Roger Melton (rmelton) <a class="moz-txt-link-rfc2396E" href="mailto:rmelton@cisco.com"> <rmelton@cisco.com></a> > *Subject: *Re: Commit broke 32-bit testpmd app > > Hi Sampath, > > > Please add <a class="moz-txt-link-abbreviated" href="mailto:dev@dpdk.org">dev@dpdk.org</a>, the upstream mailing list, if this is related > to the upstream DPDK project.If it is using RHEL DPDK package, please > use the appropriate support channels. > > On 11/14/22 23:55, Sampath Peechu (speechu) wrote: > > Hi Virtio Maintainers team, > > > > This email is regarding the following commit. > > > > > <a href="https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657" moz-do-not-send="true" class="moz-txt-link-freetext"> https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657</a> <<a href="https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657" moz-do-not-send="true" class="moz-txt-link-freetext">https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657</a>> <<a class="moz-txt-link-freetext" href="https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657">https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657</a> <<a href="https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657" moz-do-not-send="true" class="moz-txt-link-freetext">https://github.com/DPDK/dpdk/commit/ba55c94a7ebc386d2288d6578ed57aad6cb92657</a>>> > > > > The above commit appears to have broken the 32-bit testpmd app (and > > consequently impacted one of our products that runs as a 32-bit DPDK > > app). The 64-bit testpmd app does not appear to be impacted though. > > We'll need some logs to understand what is going on. > Does it happen with virtio-pci or virtio-user? > > Regards, > Maxime > > > With the commit in place, we didn’t see any packets going through at > > all. After backing out the commit and rebuilding the 32-bit testpmd app > > in our test setup, we were able to pass traffic as expected. > > > > Could you please let us know if this is a known issue? And if there is a > > fix available for it? > > > > Thank you, > > > > Sampath Peechu > > > > Cisco Systems > > > </div> </div> </blockquote> </body> </html>