From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 8BC0B36E46C; Fri, 24 Apr 2026 13:19:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777036770; cv=none; b=qnBGGpjeS5RtEIYpH7EfCcs9bbVR9XBAnvrZ9Cvqr9nv+TBMo5HiH1wQ/6RePqnaNXn3S4cOwvF+fH1aeaY438QmR2zm39QjYu8fHmRZgaavvZf0cejz7B2pXHUxDHLeNK7vPju8a5+Y51JtexENC01L0+o1eJFVNmKLJAyqQs4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777036770; c=relaxed/simple; bh=9oviElGuemGAVi46Q61CGwpxVccZVcmFAcX0wffBesg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=riErNTW8UqIwr8hlOFdWGht6SkauWwtAH0N7R+b0GVy/rR44H54w/JH+cBqjYb2woK5+QZVsCXr42qQl0SlakRF5xkq1t8YXHSh79jY/L9Qg+6hhs7cMo4KNZ6F3HZWC37Qb+uImmPozumEmnwi66vH9SYKST0eUoMscy2tYXtM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=i9X1T2X+; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="i9X1T2X+" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sXX8DCyTeaTt4IdZmkdODt+bPlX1tsjH9okoeWinoGE=; b=i9X1T2X+j7Rh8FdSDr4hl4IDUK zsnG28/uG4V+Ypkb0qn22B3vMKmhwi58tajOcz0klI4b66gkS+auXluE/FJDxwEvVBi+LcWgjWN9R r7Gl6Ur74cwqK+Uj9caVGY2/pNnZ2iz9rBqyvwp+sGbSEsmWpMyLo0Rm44dMsm6raXUZSQ0n5C1gR q8DGKOuyUxXP7CCGXYrJsWG/YWLOqVwrzavUkJnknsGwIXZV6alWMkBDIismCv94L5wireRkMUmPC ludTMUXCkrlAnWE2FWrQBVY2jTlZKd92I3KTBBq2njwzHO0NeWCUF7uJ0tOEe8dJLRFAFiQgIx7C+ OGYmjLGg==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGGR7-0000000FBlQ-2Efw; Fri, 24 Apr 2026 13:19:13 +0000 Date: Fri, 24 Apr 2026 14:19:13 +0100 From: Matthew Wilcox To: Breno Leitao Cc: Miaohe Lin , Naoya Horiguchi , Andrew Morton , Jonathan Corbet , Shuah Khan , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v5 0/4] mm/memory-failure: add panic option for unrecoverable pages Message-ID: References: <20260424-ecc_panic-v5-0-a35f4b50425c@debian.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260424-ecc_panic-v5-0-a35f4b50425c@debian.org> On Fri, Apr 24, 2026 at 05:23:58AM -0700, Breno Leitao wrote: > This is a common problem on large fleets. We frequently observe multi-bit ECC > errors hitting kernel slab pages, where memory_failure() fails to recover them > and the system crashes later at an unrelated code path, making root cause > analysis unnecessarily difficult. Who is "we"? Please attribute your patches to your employer by putting their name in brackets after yours. My ~/.gitconfig has: [user] name = Matthew Wilcox (Oracle)