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<p class="MsoPlainText">Hello <span style="color:red">Thomas,</span><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hope you are doing well. I am Chaitanya from the linux graphics team in Intel.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">This mail is regarding a regression we are seeing in our CI runs[1] on linux-next repository.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Since the version <span style="color:red">next-20241120 </span>
[2], we are seeing the following regression<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">`````````````````````````````````````````````````````````````````````````````````<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Intel Clear",sans-serif"><4>[ 19.990743] Oops: general protection fault, probably for non-canonical address 0xb11675ef8d1ccbce: 0000 [#1] PREEMPT SMP NOPTI<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Intel Clear",sans-serif"><4>[ 19.990760] CPU: 21 UID: 110 PID: 867 Comm: prometheus-node Not tainted 6.12.0-next-20241120-next-20241120-gac24e26aa08f+ #1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Intel Clear",sans-serif"><4>[ 19.990771] Hardware name: Intel Corporation Arrow Lake Client Platform/MTL-S UDIMM 2DPC EVCRB, BIOS MTLSFWI1.R00.4400.D85.2410100007 10/10/2024<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Intel Clear",sans-serif"><4>[ 19.990782] RIP: 0010:power_supply_get_property+0x3e/0xe0<o:p></o:p></span></p>
<p class="MsoPlainText">`````````````````````````````````````````````````````````````````````````````````<o:p></o:p></p>
<p class="MsoPlainText">Details log can be found in [3]. <o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">After bisecting the tree, the following patch [4] seems to be the first "bad"<o:p></o:p></p>
<p class="MsoPlainText">commit<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">`````````````````````````````````````````````````````````````````````````````````````````````````````````<o:p></o:p></p>
<p class="MsoPlainText"><span style="color:red">Commit 49000fee9e639f62ba1f965ed2ae4c5ad18d19e2<br>
Author: Thomas Weißschuh <linux@weissschuh.net><br>
AuthorDate: Sat Oct 5 12:05:03 2024 +0200<br>
Commit: Sebastian Reichel <sebastian.reichel@collabora.com><br>
CommitDate: Tue Oct 15 22:22:20 2024 +0200<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="color:red"> power: supply: core: add wakeup source inhibit by power_supply_config <o:p></o:p></span></p>
<p class="MsoPlainText">`````````````````````````````````````````````````````````````````````````````````````````````````````````<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">This is now seen in our drm-tip runs as well. [5]<span style="color:red"><o:p></o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Could you please check why the patch causes this regression and provide a fix if necessary?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thank you.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Regards<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Chaitanya<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">P.S. <span style="color:red">We could not revert the patch cleanly and therefore we are yet to verify the bisect but we are currently working on it.<o:p></o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">[1] <a href="https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html">
https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html</a>?<o:p></o:p></p>
<p class="MsoPlainText">[2]<a href="https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20241120"> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20241120</a><o:p></o:p></p>
<p class="MsoPlainText">[3<span style="color:red">] <a href="https://intel-gfx-ci.01.org/tree/linux-next/next-20241120/bat-arls-6/boot0.txt">
<span style="color:red">https://intel-gfx-ci.01.org/tree/linux-next/next-20241120/bat-arls-6/boot0.txt</span></a>
<o:p></o:p></span></p>
<p class="MsoNormal">[4] <span style="color:red"><a href="https://cgit.freedesktop.org/drm-tip/commit/?id=49000fee9e639f62ba1f965ed2ae4c5ad18d19e2">https://cgit.freedesktop.org/drm-tip/commit/?id=49000fee9e639f62ba1f965ed2ae4c5ad18d19e2</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red">[5] <a href="https://intel-gfx-ci.01.org/tree/drm-tip/index.html">
https://intel-gfx-ci.01.org/tree/drm-tip/index.html</a>?<o:p></o:p></span></p>
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