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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> 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> X-Rspam-User: X-Rspamd-Queue-Id: 5229A4001A X-Stat-Signature: uuo1ho18147m7hbj3mfhem5mkhsd8w9a X-Rspamd-Server: rspam03 X-HE-Tag: 1739892723-296483 X-HE-Meta: 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 DktsQzh3 GJXvpCeA96ywAKOkmqC/M19qFBOu9zPwISIVL6wLQxY1zcbfA9M3vhOYzJmSPY0mfA9KS90vfXVaxiWDS5pVTqI9TD4kfIgTk6Tag1wFx6RWlOTypirKasRDWurU8TdUUPQNFdJrMRpndPtolA+SfSxC/ryehlAXBXCOYNp6SptxbkTrTze/KtLU7UFu/oUd5U/WiXy4KA99Gi01oEInelSeUxthoV5tS81CUw4sx3IHPsxkUCC8tMFzpYtnMKYc4vAbTJwZCS6XxJXrE/AY+nPGaEhQg40wYHwd8JCC4YAPAQT4IKh7Bijv79bGAdeR1+6XPJ6hEPOdX/YQsWx6qEwyMwPHCUKIMb6bSpbcreH/kIp7rTjfYIBTUwGgaa74ViY3546HM6HweRWrUT2dVFIwLm5HL5yh/TqGM X-Bogosity: Ham, tests=bogofilter, spamicity=0.032692, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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