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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently experiencing, on rare occasions, hung IO activity where we suspect is related to:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a href="https://jira.whamcloud.com/browse/LU-17525">https://jira.whamcloud.com/browse/LU-17525</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We have aarch64 clients at 64k page sizes with x86 servers with 4kb pagesize using Lustre 2.15 from HPE. We see the same error reported in the issue and would like an easy way to reproduce the issue so we can check other similar storage
systems. Would a test have been added somewhere to make sure the same issue is not encountered again in the future?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any advice would be appreciated<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"><br>
Tom<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;mso-ligatures:none;mso-fareast-language:EN-GB">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:#333333;mso-ligatures:none;mso-fareast-language:EN-GB">Thomas Green</span></b><span style="color:#313131;mso-ligatures:none;mso-fareast-language:EN-GB"><br>
<u>AI Supercomputing Infrastructure Specialist<o:p></o:p></u></span></p>
<p class="MsoNormal"><span style="color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB">University of Bristol, 1 Cathedral Square, Trinity Street, College Green, Bristol<br>
BS1 5DD, UK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB">Tel:</span><span style="font-size:12.0pt;mso-ligatures:none;mso-fareast-language:EN-GB"><a href="tel:+441174550298"><span style="color:#0078D7">+441174550298</span></a></span><span style="color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB"><br>
BriCS webpage: <a href="http://bristol.ac.uk/supercomputing"><span style="color:#0563C1">http://bristol.ac.uk/supercomputing</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#212121;mso-ligatures:none;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#212121;mso-ligatures:none">Top 10 UK university and 54th in the world (QS Rankings 2025)<br>
Top 5 UK university for research (THE analysis of REF 2021)<br>
Top 5 most targeted university by top UK employers (High Fliers 2024)</span><o:p></o:p></p>
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