From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 459453B9D90 for ; Thu, 7 May 2026 18:41:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778179270; cv=none; b=L3t6UjWZg80sQ0l8eXLBzwf/SsqNeaGpZQYZOOPh44yly8lFJGHGgpZGJB9V5NN1svWfiHk7QIKpMeZL4JwwNqLZZtrMbvuee4ejrnOhQ5/0GtEywK4N+VB2AdRKHmjbbayQks4DFcUrDsMeAkX0oxhq41gKDrOSLMao6NqbISU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778179270; c=relaxed/simple; bh=xWyjC/upAI1+c436Rr4CHFnRGtiuozY1aD79YjF2iZU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=W3/AMO3qfhQOb34GQ/JJz2z+KgSnqO0/czBapMDGyr6Kkf1jd63Kv9ZsXZePXp/V0CD9JwvGuaVgpsZ4/gwBoeDkgTr71nJKvphUXYNtqN+uVI1ITCoSiP0Fqd0IUjOXCQzGzT/w6CENLd+iy1Ai5r6CYhSfyN0Pb8HFm7FPz4Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ODL2pYdz; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ODL2pYdz" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-2b458ca2296so7985725ad.0 for ; Thu, 07 May 2026 11:41:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778179266; x=1778784066; darn=lists.linux.dev; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=xWyjC/upAI1+c436Rr4CHFnRGtiuozY1aD79YjF2iZU=; b=ODL2pYdzBrWQ0nVJ20359LAsboas8cJr1ES8n2BsevkIUSVMz2lOoHOYr4bhUB/x9r xiOuWRzaHCf+AmWyrgQu63EeFJo5/W8dgsCUVG5PSIuP2EfduADzzb7kvSnaYb6rp5Nh i1MdeWY94T7YDXH/5heDGEoA/ew1ayWsjxaMNpWBXJq7U4phYeBoF08saCkwuKgG+FSd WBfNzjnM9RfUWLCMP0p7YTQMoumNMvYCak9TVmCWVkc3FmPp8V5MwyBobnDhASi+3hoX w568abnh1wEDT0pjnxU0bEFTWecbWdvfideDZvH61saDzv3E03GYGXJxLM+RsWkG/bCQ Bejg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778179266; x=1778784066; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=xWyjC/upAI1+c436Rr4CHFnRGtiuozY1aD79YjF2iZU=; b=lzzOSl0SXh3VhW5yxwQcIQNd5WSOoxlwXl/vDLON+batC67xSNGjQOamaIHeYMSV29 YX/i3+w2V6hxOUG1NwiqqlaIH94HgjxTc/57yEk48wBX8tbzdL5AKSeBs2QUkVlNTDtI Tgt0bf5SqXXk8au4n/tH6tGswdIb7muLwNAE++gPpicqy/QYVl57P73BSmqTUqPzJu5m HxiZnnWNkO//CAifVWHH0Ql8eGYPsnKfpJJ2AQdxNwFTVfmGUkML+cLxzrPOIKl/EvR7 +E0eghR/UVpTyVCm3wzTfXmVxUxIopT51UXQ4VbPjvnEU8+YKJFKDlXJXMoicyoBeP+y 83Bw== X-Forwarded-Encrypted: i=1; AFNElJ9PR/E7xWteFbBqo2hoRGWnsoYIvvCmZlOISLv/jr8eGKxCXGq+G6xC7XLPDStcafn0G30ntnyEoVKQjQ==@lists.linux.dev X-Gm-Message-State: AOJu0YxKUKHbuwdkWcaJAMB76tTchZlpDTTyDYxQ6VwH74opFoljvVaM lwKQHUxX2u3swYP5ni9GJJzyw47GDujEKMLVgNhzliVruG/SDZG/yWQMXPv4eA2T X-Gm-Gg: Acq92OHN5MwM208bMcdS0onvci+xofSIDndtR8tXB+1wksw+UvvAs742jKl67xpSoXG FvtTqqoEW2BDSGsfWfLaeaMP+kpEDFg9CKNrzApFJzDKFFpEMAcpDQU6Ty6VTdM87l1KtO1nKDb 0onu+5nWklwt2Ooat9qoWKc/WggxvfOs03yzLj5q0lqG/4Av4DdXWmo93TLaXwt36ZhfF6x5+q3 K8bmvE1euGPhXF0cAcqnX0GdickDfVE6UTwK7UVvobxQyeZWtti4O0Ys4vatR4bnoMZWOSY4Pxs 3d1D7qizIkvSpaz9RJCA/n2BCzjeLCD5AC9F8tGgls4sn1j3cl/eEBLeTCAuwk96O/nAS/pRn6F ic2vJxoQqqJ9CSPKyzCryBnXfNvm4vsg9Z8BO1GaOJ7wEHYTXNrHuepbQhrO8YZUChusts0+X/s OSUWHGUl4onbs4ZjJUPXmHGuNQOCW5bTI3bQSRyouWf1TSHlT6q4AuZqxDefV4/qQA5rUawlHah K22RhWnejcbvidz+RIKeDxlYHuxGeY= X-Received: by 2002:a17:903:b4b:b0:2b0:b41e:c5c3 with SMTP id d9443c01a7336-2ba7a34601amr91271385ad.29.1778179265783; Thu, 07 May 2026 11:41:05 -0700 (PDT) Received: from archlinux ([2405:201:1b:225f:36f2:f474:be1d:cad7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bae7560c67sm4577375ad.26.2026.05.07.11.41.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 May 2026 11:41:05 -0700 (PDT) Date: Fri, 8 May 2026 00:11:01 +0530 From: Krishna Chomal To: Thorsten Leemhuis Cc: Ilpo =?utf-8?B?SsOkcnZpbmVu?= , yue li , Linux kernel regressions list Subject: Re: [REGRESSION] hp-wmi fails to probe on HP OMEN (board 8D41) Message-ID: References: <38bef028-d574-4e7a-b857-f10ab6796833@leemhuis.info> <553a4232-f4cb-4d67-bdee-067b5f038f64@leemhuis.info> <6d97e48a-be18-b99f-f4d5-aae50220ac53@linux.intel.com> <7b8293d0-7811-4def-bc96-56c0422f0ee7@leemhuis.info> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <7b8293d0-7811-4def-bc96-56c0422f0ee7@leemhuis.info> On Thu, May 07, 2026 at 12:59:41PM +0200, Thorsten Leemhuis wrote: >On 5/7/26 11:55, Ilpo Järvinen wrote: >> On Thu, 7 May 2026, Thorsten Leemhuis wrote: >>> On 5/4/26 09:22, Thorsten Leemhuis wrote: >>>> On 5/3/26 09:26, Krishna Chomal wrote: >>>>> On Thu, Apr 30, 2026 at 12:59:58PM +0800, yue li wrote: >>>>>> [...] >>>>>> Regression: >>>>>> The hp-wmi driver works correctly on kernel 6.18.6-zen1-1-zen, >>>>>> but fails to probe on 7.0.2-zen1-1-zen with error -22. >>>>>> >>>>>> Issue: >>>>>> On the affected kernel, loading the module fails: >>>>> [...] >>>>> Thanks for reporting. This is a known issue [1]. There are 2 failures in >>>>> your dmesg output: >>>>> 1. Unknown EC layout: The fix for this has been sent recently. >>>>>    Currently, it is in the review-ilpo-fixes branch [2]. >>> >>> It[1] afaics is sitting there for a week already afaics. >> >> I'm sorry to be a disappointment here, but I don't find a week a >> particularly long time. > >For a normal patch, I fully agree. But for a regression fix, it is a >long time[1]. And to me it looked like the patch "platform/x86: hp-wmi: >silence unknown board warning for 8D41"[2] was a the second and >necessary part of a fix for the regression Yue Li reported at the start >of this thread[3] -- without making it obvious in the patch description >that it was one, so you couldn't know, which is why I CCed you here. > >But from looking at Krishna's earlier reply in this thread again, it now >seems to me like I misinterpreted the "applying the above mentioned 2 >patch" statement, as 9d317a54e46d3b ("platform/x86: hp-wmi: fix fan >table parsing") [already in v7.1-rc1 and hopefully backported soon] >seems to be the main fix and the other one ("platform/x86: hp-wmi: >silence unknown board warning for 8D41"[2] just silences a warning that >is not causing trouble. > Yes that's right. The fan table fix allows the driver to be loaded and fixes the regression, while the follow-up patch is only to silence the dmesg warning. I will be more explicit from next time, sorry for any confusion that I might have created. >Sorry, my deepest apologies for causing trouble. > >Ciao, Thorsten > >[1]https://www.kernel.org/doc/html/latest/process/handling-regressions.html#on-how-quickly-regressions-should-be-fixed >[2]https://lore.kernel.org/all/20260429180953.129885-1-krishna.chomal108@gmail.com/ > >[3]https://lore.kernel.org/all/CABd86uaQY9-ZSU-_PHKtZZyWnDFHLEsuaM+NBV5nOLWA+YSX7A@mail.gmail.com/