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Tue, 10 Sep 2024 02:37:38 -0700 (PDT) Date: Tue, 10 Sep 2024 10:37:38 +0100 From: Robert Beckett To: "Christoph Hellwig" Cc: "linux-nvme" , "Keith Busch" , "Jens Axboe" , "Sagi Grimberg" , "Andrew Morton" , "linux-mm" Message-ID: <191db4bb6e4.efaca8f7990517.372475432909163316@collabora.com> In-Reply-To: <20240910042411.GA15282@lst.de> References: <191d810a4e3.fcc6066c765804.973611676137075390@collabora.com> <20240910042411.GA15282@lst.de> Subject: Re: possible regression fs corruption on 64GB nvme MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Importance: Medium User-Agent: Zoho Mail X-Mailer: Zoho Mail X-Stat-Signature: tfj1tzjmrigpa8kggo85b7ipyiqpwcqo X-Rspamd-Queue-Id: B7298C0008 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1725961096-349818 X-HE-Meta: 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 JjDY6tme wPkO5PHnW4J3e0OPVaCjm/t97DJFQiZ/MjqgSUEmu+aSFFB1YMvchar+4rlNFzIFY3E1TEreBEXNg+odbgt1yzdJfnawXU47ouJJRG4SLmISkgEhS6JN9Z8gfuHjPUsVo0rQ3++dcpBaOTQg3BYBd8QXFi2WgOqjZifq0t2d+5PbDwRp+bsu80UFACBlhYVIJwL7IvyTHU/d5ubgAc2aSt44dLxH9SruRq1Xwd9i7ezn2CIj7Pcdwy1iAwzvYcTRubJp1fy1dRe3uAIboarHwReJ7vXeDMiMoAnbPvEZrinrTBH6PtIvg/N3DnA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, 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, 10 Sep 2024 05:24:11 +0100 Christoph Hellwig wrote --- > Hi Robert, > > what platform is this on? Does it have DMA that is not cache coherent? > > I't s an AMD Zen2 based device, should be coherent. It also didn't occur on 6.1 kernel, making this fell more like a regression to me (though never discount statistics)