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<p class="MsoNormal"><span style="color:#1F497D">So I guess the next question is, does anyone have a fix that can be included ? Also, do you know if this is a problem with the backport or is it also broken in the upstream kernel ?<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> Marty Schlining [mailto:mschlining@ddn.com]
<br>
<b>Sent:</b> Friday, June 16, 2017 10:03 AM<br>
<b>To:</b> Woodruff, Robert J <robert.j.woodruff@intel.com>; Davis, Arlin R <arlin.r.davis@intel.com>; RSD@SFI <rsdance@soft-forge.com>; 'Vladimir Sokolovsky' <vlad@dev.mellanox.co.il><br>
<b>Cc:</b> bart.vanassche@gmail.com; ewg@lists.openfabrics.org; Cedric Fernandes <cfernandes@ddn.com>; Mike Davis <mdavis@ddn.com><br>
<b>Subject:</b> RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I do not think this is an acceptable workaround. An SRP target could have many hosts connected (IO nodes), not just the one that may have been abruptly rebooted (due to a power failure or pulled power cord).
Are you suggesting that customers must reboot all of the IO nodes in their cluster attached to the SRP target and the SRP target as a workaround thereby taking the entire file system offline?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">The backported ib_srp driver has a defect where it is not handling an SRP_Reject properly leaving a null pointer for the blk_mq driver. Normally, this would just be a note in the log and the srp_daemon could
be setup to attempt a reconnect after 30 seconds. But, that is no longer possible with the current defect. The host would crash and reboot every time a connection is attempted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-Marty Schlining<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> Woodruff, Robert J [<a href="mailto:robert.j.woodruff@intel.com">mailto:robert.j.woodruff@intel.com</a>]
<br>
<b>Sent:</b> Friday, June 16, 2017 12:18 PM<br>
<b>To:</b> Davis, Arlin R <<a href="mailto:arlin.r.davis@intel.com">arlin.r.davis@intel.com</a>>; RSD@SFI <<a href="mailto:rsdance@soft-forge.com">rsdance@soft-forge.com</a>>; 'Vladimir Sokolovsky' <<a href="mailto:vlad@dev.mellanox.co.il">vlad@dev.mellanox.co.il</a>><br>
<b>Cc:</b> <a href="mailto:bart.vanassche@gmail.com">bart.vanassche@gmail.com</a>;
<a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a>; Marty Schlining <<a href="mailto:mschlining@ddn.com">mschlining@ddn.com</a>><br>
<b>Subject:</b> RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">When I read the bug, it looks like the work around is to also reboot the target whenever the host is rebooted. Is this work around acceptable for the short term, and then fix the<br>
issue in OFED-4.8-1, which will be a quick turnaround release since the new functionality being added to OFED-4.8-1 is limited. If people are OK with that, I would recommend moving<br>
to GA for OFED-4.8 and then start work on OFED-4.8-1 right away. OFED-4.8 has been dragging on forever and there are people that will want to start using it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> ewg [<a href="mailto:ewg-bounces@lists.openfabrics.org">mailto:ewg-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Davis, Arlin R<br>
<b>Sent:</b> Friday, June 16, 2017 9:13 AM<br>
<b>To:</b> RSD@SFI <<a href="mailto:rsdance@soft-forge.com">rsdance@soft-forge.com</a>>; 'Vladimir Sokolovsky' <<a href="mailto:vlad@dev.mellanox.co.il">vlad@dev.mellanox.co.il</a>><br>
<b>Cc:</b> <a href="mailto:bart.vanassche@gmail.com">bart.vanassche@gmail.com</a>;
<a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a>; <a href="mailto:mschlining@ddn.com">
mschlining@ddn.com</a><br>
<b>Subject:</b> Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">What is the visibility and impact of the bug? Is this something that would be seen in normal use cases?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Is this actively being worked? What is the ETA for a fix?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> RSD@SFI [<a href="mailto:rsdance@soft-forge.com">mailto:rsdance@soft-forge.com</a>]
<br>
<b>Sent:</b> Thursday, June 15, 2017 8:02 PM<br>
<b>To:</b> Davis, Arlin R <<a href="mailto:arlin.r.davis@intel.com">arlin.r.davis@intel.com</a>>; 'Vladimir Sokolovsky' <<a href="mailto:vlad@dev.mellanox.co.il">vlad@dev.mellanox.co.il</a>><br>
<b>Cc:</b> <a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a><br>
<b>Subject:</b> RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:windowtext">SRP is very important to DDN and they have been a major supporter of IB and the OFA for a long time. Marty always attends the OFA Interop events and has been a big supporter of the OFA Logo program. Therefore
I vote that we wait and find a fix.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> ewg [<a href="mailto:ewg-bounces@lists.openfabrics.org">mailto:ewg-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Davis, Arlin R<br>
<b>Sent:</b> Thursday, June 15, 2017 4:20 PM<br>
<b>To:</b> Vladimir Sokolovsky <<a href="mailto:vlad@dev.mellanox.co.il">vlad@dev.mellanox.co.il</a>><br>
<b>Cc:</b> <a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a><br>
<b>Subject:</b> Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I just noticed a new critical SRP bug with RC4. Do we document as “known issues” or hold off on GA for a fix?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="http://bugs.openfabrics.org/bugzilla/show_bug.cgi?id=2631">http://bugs.openfabrics.org/bugzilla/show_bug.cgi?id=2631</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> ewg [<a href="mailto:ewg-bounces@lists.openfabrics.org">mailto:ewg-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Davis, Arlin R<br>
<b>Sent:</b> Thursday, June 15, 2017 10:57 AM<br>
<b>To:</b> Vladimir Sokolovsky <<a href="mailto:vlad@dev.mellanox.co.il">vlad@dev.mellanox.co.il</a>>; Schmidt, William R <<a href="mailto:william.r.schmidt@intel.com">william.r.schmidt@intel.com</a>>; Schulfer, Pawel <<a href="mailto:pawel.schulfer@intel.com">pawel.schulfer@intel.com</a>><br>
<b>Cc:</b> <a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a><br>
<b>Subject:</b> Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoPlainText">Last call for release note changes. Please get them to Vlad by end of the day today so we can wrap this up.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Vlad, please roll GA tomorrow with all updated release notes.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thanks everyone!<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> ewg [<a href="mailto:ewg-bounces@lists.openfabrics.org">mailto:ewg-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Vladimir Sokolovsky<br>
<b>Sent:</b> Thursday, June 15, 2017 8:58 AM<br>
<b>To:</b> Schmidt, William R <<a href="mailto:william.r.schmidt@intel.com">william.r.schmidt@intel.com</a>>; Schulfer, Pawel <<a href="mailto:pawel.schulfer@intel.com">pawel.schulfer@intel.com</a>><br>
<b>Cc:</b> <a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a><br>
<b>Subject:</b> Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">This fix will get to GA as it was already applied as I mentioned before and the GA was not built yet.<br>
<br>
Regards,<br>
Vladimir<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">On 06/15/2017 12:51 AM, Schmidt, William R wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">Vlad,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Did this fix get into the GA version of OFED 4.8?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> ewg [<a href="mailto:ewg-bounces@lists.openfabrics.org">mailto:ewg-bounces@lists.openfabrics.org</a>]
<b>On Behalf Of </b>Vladimir Sokolovsky<br>
<b>Sent:</b> Thursday, June 8, 2017 12:17 PM<br>
<b>To:</b> Schulfer, Pawel <a href="mailto:pawel.schulfer@intel.com"><pawel.schulfer@intel.com></a><br>
<b>Cc:</b> <a href="mailto:ewg@lists.openfabrics.org">ewg@lists.openfabrics.org</a><br>
<b>Subject:</b> Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">On 06/07/2017 11:16 PM, Schulfer, Pawel wrote:<o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="color:#44546A">Hi Vlad,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Please pull from git://flatbed.openfabrics.org/~pschulfer/compat-rdma:for_vlad</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">commit 54931166983d20cf7d12c47f081fd5e86de1cb32 – Support for Kernel 4.8 in QIB on OFED-4.8</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#44546A">Pawel</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt;font-family:"Times New Roman ,serif",serif"><br>
Hi Pawel,<br>
Done + build: OFED-4.8-20170608-1100.tgz<br>
<br>
Regards,<br>
Vladimir</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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