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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <0fc8c3e7-e5d2-40db-8661-8c7199f84e43@kernel.dk> To: Chris Mason Cc: dhowells@redhat.com, Linus Torvalds , Jens Axboe , Matthew Wilcox , Christian Theune , linux-mm@kvack.org, "linux-xfs@vger.kernel.org" , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Dao , Dave Chinner , regressions@lists.linux.dev, regressions@leemhuis.info Subject: Re: Known and unfixed active data loss bug in MM + XFS with large folios since Dec 2021 (any kernel from 6.1 upwards) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1368974.1726243446.1@warthog.procyon.org.uk> Date: Fri, 13 Sep 2024 17:04:06 +0100 Message-ID: <1368975.1726243446@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: E261420004 X-Stat-Signature: dzjbjs4ntj9arejf3manfr4u8jo4jmir X-Rspam-User: X-HE-Tag: 1726243459-102559 X-HE-Meta: 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 dEnDs8ug ZX/R3WmDw7ciIILFpMaAuTqOANerlwNzdo56+5cYXu53vdHAjUqukmLrdULDW/wbzpE8pTjtzvdSKiy32YW8hGBbOjqjSi7gPfYbnS5Zy2WGRbfUM5S+bM1eKVCv25CCVggAkKdxON4i/qLqAuGQKZXil2nSV4DBmYhTcxcbUcy20uGmTq/Xxe3YNzo6vCjCmYrnwmDEiAYPMcBpP49U1ck0qbYWDhUps1IVgJFhaelTV5RIQUfzfMbyGBqSqGp8OMtjj8MKQ4k9u4WOGyQP9Au+dy2Ykj2c0ZwlzWf90Jqd2A9Dorl4nwcQzOX3YaG198Gg6CGvkVgcQlplOmHQpKNtfKUcHoQQtMcUUIsUDrtITFAvgyw0ZAbiFQDCB6v/3oyZKVdw8y1RBQUM802OxYZQoHQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Chris Mason wrote: > I've mentioned this in the past to both Willy and Dave Chinner, but so > far all of my attempts to reproduce it on purpose have failed. Could it be a splice bug? David