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Please let us know when a fix is available. It should be fixed in linux-next from today, by this commit: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=b44444027ce7714f309e96b804b7fb088a40d708 Thanks! > From: Wysocki, Rafael J > Sent: Saturday, October 7, 2023 2:01 AM > To: Borah, Chaitanya Kumar > Cc: intel-gfx@lists.freedesktop.org; Kurmi, Suresh Kumar ; Saarinen, Jani > Subject: Re: Regression in linux-next > > Hi, > On 10/5/2023 5:58 PM, Borah, Chaitanya Kumar wrote: > Hello Rafael, > > Hope you are doing well. I am Chaitanya from the linux graphics team in Intel. > This mail is regarding a regression we are seeing in our CI runs[1] on linux-next repository. > > Thanks for the report, I think that this is a lockdep assertion failing. > If that is correct, it should be straightforward to fix. > I'll take care of this early next week. > Thanks! > > On next-20231003 [2], we are seeing the following error > > ``````````````````````````````````````````````````````````````````````````````` > <4>[   14.093075] ------------[ cut here ]------------ > <4>[   14.097664] WARNING: CPU: 0 PID: 1 at drivers/thermal/thermal_trip.c:18 for_each_thermal_trip+0x83/0x90 > <4>[   14.106977] Modules linked in: > <4>[   14.110017] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W          6.6.0-rc4-next-20231003-next-20231003-gc9f2baaa18b5+ #1 > <4>[   14.121305] Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3323.D89.2309110529 09/11/2023 > <4>[   14.134478] RIP: 0010:for_each_thermal_trip+0x83/0x90 > <4>[   14.139496] Code: 5c 41 5d c3 cc cc cc cc 5b 31 c0 5d 41 5c 41 5d c3 cc cc cc cc 48 8d bf f0 05 00 00 be ff ff ff ff e8 21 a2 2d 00 85 c0 75 9a <0f> 0b eb 96 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 > > Details log can be found in [3]. > > After bisecting the tree, the following patch [4] seems to be causing the regression. > > commit d5ea889246b112e228433a5f27f57af90ca0c1fb > Author: Rafael J. Wysocki mailto:rafael.j.wysocki@intel.com > Date:   Thu Sep 21 20:02:59 2023 +0200 > >     ACPI: thermal: Do not use trip indices for cooling device binding > >     Rearrange the ACPI thermal driver's callback functions used for cooling >     device binding and unbinding, acpi_thermal_bind_cooling_device() and >     acpi_thermal_unbind_cooling_device(), respectively, so that they use trip >     pointers instead of trip indices which is more straightforward and allows >     the driver to become independent of the ordering of trips in the thermal >     zone structure. > >     The general functionality is not expected to be changed. > >     Signed-off-by: Rafael J. Wysocki mailto:rafael.j.wysocki@intel.com >     Reviewed-by: Daniel Lezcano mailto:daniel.lezcano@linaro.org > > We also verified by moving the head of the tree to the previous commit. > > Could you please check why this patch causes the regression and if we can find a solution for it soon? > > [1] https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html? > [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20231003 > [3] https://intel-gfx-ci.01.org/tree/linux-next/next-20231003/bat-mtlp-6/boot0.txt > [4] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20231003&id=d5ea889246b112e228433a5f27f57af90ca0c1fb