From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D83AE26D5AD; Tue, 18 Feb 2025 15:32:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739892724; cv=none; b=CAddlF4ABiOr+DNNjp5XB5wDl/cvLRhjKihs7p3HIQ6BDsXgtcsAI0JbJByPpGiTCtcWFSnpomw1iPKxLwcsdYNLvk769B6+yXZf1H1MMox6mkts5I5Kbne/nxZ7fGg1MZObLF4kWzIWhxlc0rM2sdA0Cjo6UDkpMtxnS7TGk9I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739892724; c=relaxed/simple; bh=4A2sXShPAtHWuMnR6v0hXy6n/Ate9VWgRnyzmHJ6E/o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=i7WDThiwVmarjyEsZR9Dfry6Dibo8fjpLcz9DuesZH4MwnSrrzClmv1QMBeGgP5r0ALqHcgJVk4Oyp5pBUCJ4sgxghuC2Pv5ja8hNimk49H7EMSCXJCCdoDaDudgW4h0SW8JJtkX9OkujVKkTokyrvaYJASRSB/+VY3F9PHpncw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=PeXt2gJB; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="PeXt2gJB" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 50F4740E0212; Tue, 18 Feb 2025 15:32:00 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id h5b8z9JULs8g; Tue, 18 Feb 2025 15:31:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1739892716; bh=xqGUt4GM0NYMO1Cjv7SB68App5WCIDQNnSBWsuJvqx8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PeXt2gJBSP+HzBUrHGbRTmyDh/Nx1jkQ1fgufGgT+d6SLqfZxp1g9qQ75UhMLeNUA fFTpCFgLJCOCBQ/QFdmyvcXFAub/CUSwCMT0FfT1GU+ZReFElWWxAwZXUdpiWKqbJh vF7q0KhWFc7xj1lgykE8PbNeEDn8/Anewg+jQN1zgWREXT0aGZe1A4sPd+9YE2ihOU 2Kllps77Q5o9WulkTcwOzyRy/e6oBbcdOBwF+IaeKJBx0DYi3rruV48v7Ubpyhx8eE 0s6te/veXswH7EJw72xtcLbjQ1MBHokKgHE9HOiacqJqqvRcNwoBPUUsEWrud83eUR VeknBeYWrFiSyIILFxHSJIemWal0QKUeYd0D+sgGIMMyoP1qU922eU/NYcvArp45hK 4u2drsQ4mgHDWAnN/yRStjb+tzvlzT7fysiUdksocItfpPdNxQaH7rdMfJJmmh5fr6 m4hfeqq6A2XMHZyPs+9XSkzCJ/358iMWoM8mQjgXPzxHaxQPLdv4z+AfKNkQIGiRS6 TBSiD3eM4oIPEuqHNh5g2Fi/5bCeovCl7waX82i6x8i0Sg2yGJ9i5TIcub9kkG1KWK XNSsszHEIgoyutt5VzsAfBLvkvHF1Z8vnDFiJ2fEhgNvkby2+YO1I04xyq9GmFxAgl L2C7uFBUaPDeI9F8J4NAAE9s= Received: from zn.tnic (pd95303ce.dip0.t-ipconnect.de [217.83.3.206]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 670F440E0220; Tue, 18 Feb 2025 15:31:39 +0000 (UTC) Date: Tue, 18 Feb 2025 16:31:38 +0100 From: Borislav Petkov To: Shuai Xue Cc: tony.luck@intel.com, nao.horiguchi@gmail.com, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, linmiaohe@huawei.com, akpm@linux-foundation.org, peterz@infradead.org, jpoimboe@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, baolin.wang@linux.alibaba.com, tianruidong@linux.alibaba.com Subject: Re: [PATCH v2 0/5] mm/hwpoison: Fix regressions in memory failure handling Message-ID: <20250218153138.GLZ7Sn2inSAgMo1aAM@fat_crate.local> References: <20250217063335.22257-1-xueshuai@linux.alibaba.com> <20250218082727.GCZ7REb7OG6NTAY-V-@fat_crate.local> <7393bcfb-fe94-4967-b664-f32da19ae5f9@linux.alibaba.com> <20250218122417.GHZ7R78fPm32jKYUlx@fat_crate.local> <02164ab7-c65b-4b2e-8686-5539bdcb8f43@linux.alibaba.com> <20250218131753.GIZ7SIgRZBJokysBeX@fat_crate.local> <4b52e6cd-1315-4b0b-8b6e-95a3d4ed96cc@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4b52e6cd-1315-4b0b-8b6e-95a3d4ed96cc@linux.alibaba.com> On Tue, Feb 18, 2025 at 09:53:17PM +0800, Shuai Xue wrote: > The regression is reported by end user and we also observed in the production. Where is that report? How many times do I have to ask about different aspects of your patches until you explain the *whole* picture? > [5056863.064239] task: ffff8837d2a2a0c0 task.stack: ffffc90065814000 > [5056863.137299] RIP: 0010:[] [] __get_user_8+0x21/0x2b > ... > [5056864.512018] Call Trace: This tells me exactly 0 - I see some truncated stack trace. > Sorry, I did not get your point. I don't get your text either. Until this is explained and debugged properly, it is not going anywhere. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette