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[37.48.18.87]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b6d5144e4acsm585057066b.63.2025.10.24.10.50.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Oct 2025 10:50:08 -0700 (PDT) Message-ID: <5e0056d7-3550-4c40-a698-c09535d32bb2@gmail.com> Date: Fri, 24 Oct 2025 19:50:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: dm bug: hibernate to swap located on dm-integrity doesn't work (how to get data redundancy for swap?) To: Askar Safin Cc: Dell.Client.Kernel@dell.com, brauner@kernel.org, dm-devel@lists.linux.dev, ebiggers@kernel.org, kix@kix.es, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-lvm@lists.linux.dev, linux-mm@kvack.org, linux-pm@vger.kernel.org, linux-raid@vger.kernel.org, lvm-devel@lists.linux.dev, mzxreary@0pointer.de, nphamcs@gmail.com, pavel@ucw.cz, rafael@kernel.org, ryncsn@gmail.com, torvalds@linux-foundation.org, Mikulas Patocka References: <20251024163142.376903-1-safinaskar@gmail.com> Content-Language: en-US From: Milan Broz Autocrypt: addr=gmazyland@gmail.com; keydata= xsFNBE94p38BEADZRET8y1gVxlfDk44/XwBbFjC7eM6EanyCuivUPMmPwYDo9qRey0JdOGhW hAZeutGGxsKliozmeTL25Z6wWICu2oeY+ZfbgJQYHFeQ01NVwoYy57hhytZw/6IMLFRcIaWS Hd7oNdneQg6mVJcGdA/BOX68uo3RKSHj6Q8GoQ54F/NpCotzVcP1ORpVJ5ptyG0x6OZm5Esn 61pKE979wcHsz7EzcDYl+3MS63gZm+O3D1u80bUMmBUlxyEiC5jo5ksTFheA8m/5CAPQtxzY vgezYlLLS3nkxaq2ERK5DhvMv0NktXSutfWQsOI5WLjG7UWStwAnO2W+CVZLcnZV0K6OKDaF bCj4ovg5HV0FyQZknN2O5QbxesNlNWkMOJAnnX6c/zowO7jq8GCpa3oJl3xxmwFbCZtH4z3f EVw0wAFc2JlnufR4dhaax9fhNoUJ4OSVTi9zqstxhEyywkazakEvAYwOlC5+1FKoc9UIvApA GvgcTJGTOp7MuHptHGwWvGZEaJqcsqoy7rsYPxtDQ7bJuJJblzGIUxWAl8qsUsF8M4ISxBkf fcUYiR0wh1luUhXFo2rRTKT+Ic/nJDE66Ee4Ecn9+BPlNODhlEG1vk62rhiYSnyzy5MAUhUl stDxuEjYK+NGd2aYH0VANZalqlUZFTEdOdA6NYROxkYZVsVtXQARAQABzSBNaWxhbiBCcm96 IDxnbWF6eWxhbmRAZ21haWwuY29tPsLBlQQTAQgAPwIbAwYLCQgHAwIGFQgCCQoLBBYCAwEC HgECF4AWIQQqKRgkP95GZI0GhvnZsFd72T6Y/AUCYaUUZgUJJPhv5wAKCRDZsFd72T6Y/D5N D/438pkYd5NyycQ2Gu8YAjF57Od2GfeiftCDBOMXzh1XxIx7gLosLHvzCZ0SaRYPVF/Nr/X9 sreJVrMkwd1ILNdCQB1rLBhhKzwYFztmOYvdCG9LRrBVJPgtaYqO/0493CzXwQ7FfkEc4OVB uhBs4YwFu+kmhh0NngcP4jaaaIziHw/rQ9vLiAi28p1WeVTzOjtBt8QisTidS2VkZ+/iAgqB 9zz2UPkE1UXBAPU4iEsGCVXGWRz99IULsTNjP4K3p8ZpdZ6ovy7X6EN3lYhbpmXYLzZ3RXst PEojSvqpkSQsjUksR5VBE0GnaY4B8ZlM3Ng2o7vcxbToQOsOkbVGn+59rpBKgiRadRFuT+2D x80VrwWBccaph+VOfll9/4FVv+SBQ1wSPOUHl11TWVpdMFKtQgA5/HHldVqrcEssWJb9/tew 9pqxTDn6RHV/pfzKCspiiLVkI66BF802cpyboLBBSvcDuLHbOBHrpC+IXCZ7mgkCrgMlZMql wFWBjAu8Zlc5tQJPgE9eeQAQrfZRcLgux88PtxhVihA1OsMNoqYapgMzMTubLUMYCCsjrHZe nzw5uTcjig0RHz9ilMJlvVbhwVVLmmmf4p/R37QYaqm1RycLpvkUZUzSz2NCyTcZp9nM6ooR GhpDQWmUdH1Jz9T6E9//KIhI6xt4//P15ZfiIs7BTQRPeKd/ARAA3oR1fJ/D3GvnoInVqydD U9LGnMQaVSwQe+fjBy5/ILwo3pUZSVHdaKeVoa84gLO9g6JLToTo+ooMSBtsCkGHb//oiGTU 7KdLTLiFh6kmL6my11eiK53o1BI1CVwWMJ8jxbMBPet6exUubBzceBFbmqq3lVz4RZ2D1zKV njxB0/KjdbI53anIv7Ko1k+MwaKMTzO/O6vBmI71oGQkKO6WpcyzVjLIip9PEpDUYJRCrhKg hBeMPwe+AntP9Om4N/3AWF6icarGImnFvTYswR2Q+C6AoiAbqI4WmXOuzJLKiImwZrSYnSfQ 7qtdDGXWYr/N1+C+bgI8O6NuAg2cjFHE96xwJVhyaMzyROUZgm4qngaBvBvCQIhKzit61oBe I/drZ/d5JolzlKdZZrcmofmiCQRa+57OM3Fbl8ykFazN1ASyCex2UrftX5oHmhaeeRlGVaTV iEbAvU4PP4RnNKwaWQivsFhqQrfFFhvFV9CRSvsR6qu5eiFI6c8CjB49gBcKKAJ9a8gkyWs8 sg4PYY7L15XdRn8kOf/tg98UCM1vSBV2moEJA0f98/Z48LQXNb7dgvVRtH6owARspsV6nJyD vktsLTyMW5BW9q4NC1rgQC8GQXjrQ+iyQLNwy5ESe2MzGKkHogxKg4Pvi1wZh9Snr+RyB0Rq rIrzbXhyi47+7wcAEQEAAcLBfAQYAQgAJgIbDBYhBCopGCQ/3kZkjQaG+dmwV3vZPpj8BQJh pRSXBQkk+HAYAAoJENmwV3vZPpj8BPMP/iZV+XROOhs/MsKd7ngQeFgETkmt8YVhb2Rg3Vgp AQe9cn6aw9jk3CnB0ecNBdoyyt33t3vGNau6iCwlRfaTdXg9qtIyctuCQSewY2YMk5AS8Mmb XoGvjH1Z/irrVsoSz+N7HFPKIlAy8D/aRwS1CHm9saPQiGoeR/zThciVYncRG/U9J6sV8XH9 OEPnQQR4w/V1bYI9Sk+suGcSFN7pMRMsSslOma429A3bEbZ7Ikt9WTJnUY9XfL5ZqQnjLeRl 8243OTfuHSth26upjZIQ2esccZMYpQg0/MOlHvuFuFu6MFL/gZDNzH8jAcBrNd/6ABKsecYT nBInKH2TONc0kC65oAhrSSBNLudTuPHce/YBCsUCAEMwgJTybdpMQh9NkS68WxQtXxU6neoQ U7kEJGGFsc7/yXiQXuVvJUkK/Xs04X6j0l1f/6KLoNQ9ep/2In596B0BcvvaKv7gdDt1Trgg vlB+GpT+iFRLvhCBe5kAERREfRfmWJq1bHod/ulrp/VLGAaZlOBTgsCzufWF5SOLbZkmV2b5 xy2F/AU3oQUZncCvFMTWpBC+gO/o3kZCyyGCaQdQe4jS/FUJqR1suVwNMzcOJOP/LMQwujE/ Ch7XLM35VICo9qqhih4OvLHUAWzC5dNSipL+rSGHvWBdfXDhbezJIl6sp7/1rJfS8qPs In-Reply-To: <20251024163142.376903-1-safinaskar@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Stat-Signature: bptptmz98mftrgne5xaa5e53gytkhn4h X-Rspam-User: X-Rspamd-Queue-Id: DFE5E80013 X-HE-Tag: 1761328210-4711 X-HE-Meta: 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 2RdARJXG 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, 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 10/24/25 6:31 PM, Askar Safin wrote: > > Also, I saw patch, I will test it later. Yes, please test it, you can ignore may previous comments as they are irrelevant now. Here is the link to the mentioned patch: https://lore.kernel.org/dm-devel/03e58462-5045-e12f-9af6-be2aaf19f32c@redhat.com/T/#u I think that the issue is clear (as found by Mikulas) - DM device (dm-integrity here) does not receive the FLUSH command here. This would explain all issues you see. If the patch works, it should be fixed in stable kernels as it impacts other more complex storage configurations. Thanks, Milan