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Thanks for everyone's input on this. The patch pointed out by Timothy Day seems to have fixed our problem.</div>
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Much appreciated!</div>
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Eric</div>
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<div style="font-family: "Arial Black", Arial, sans-serif; font-size: 9pt;">-- </div>
<div style="font-family: "Arial Black", Arial, sans-serif; font-size: 12pt;">Eric J. Walter</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Day, Timothy <timday@amazon.com><br>
<b>Sent:</b> Thursday, February 13, 2025 10:13 AM<br>
<b>To:</b> Äkäslompolo Simppa <simppa.akaslompolo@aalto.fi>; Andreas Dilger <adilger@ddn.com>; Oleg Drokin <green@whamcloud.com><br>
<b>Cc:</b> lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org>; Walter, Eric <ejwalt@wm.edu><br>
<b>Subject:</b> Re: [lustre-discuss] Kernel oops with lustre 2.15.6 on rocky 9.5 kernel 5.14.0-503.22.1.el9_5.x86_64</font>
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<div class="PlainText">[You don't often get email from timday@amazon.com. Learn why this is important at
<a href="https://aka.ms/LearnAboutSenderIdentification">https://aka.ms/LearnAboutSenderIdentification</a> ]<br>
<br>
> Hi!<br>
><br>
> We have been suffering this with RHEL9.5 a couple of weeks now. I finally got kernel crash dumps saved, and also see similar "RIP: 0010:ll_prune_negative_children"<br>
><br>
> I tried applying the patch:<br>
> git cherry-pick 983999bda71115595df48d614ca1aaf9b746c75f to commit f7948c626181cda1f72d148adc73ad499eb60307 (HEAD -> b2_15, tag: v2_15_6, tag: 2.15.6, origin/b2_15)<br>
><br>
> I get a conflict in lustre/llite/statahead.c<br>
<br>
Someone already did a backport to 2.15, so you could cherry-pick that instead <a href="https://review.whamcloud.com/c/fs/lustre-release/+/57007">
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Freview.whamcloud.com%2Fc%2Ffs%2Flustre-release%2F%2B%2F57007&data=05%7C02%7Cejwalt%40wm.edu%7C86d662da7c61422521a308dd4c40fcbe%7Cb93cbc3e661d40588693a897b924b8d7%7C0%7C0%7C638750564183618220%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=7wKl8RLWOsi%2FmllC51u%2BZfLi5E1vmmt49NMhTpytFNA%3D&reserved=0</a>.<br>
<br>
Tim Day<br>
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