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Mon, 26 Feb 2024 09:30:03 +0100 Message-ID: Date: Mon, 26 Feb 2024 19:00:00 +1030 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Corruption while bisecting (was: [PATCH] btrfs: tree-checker: dump the page status if hit something wrong) Content-Language: en-US To: Tavian Barnes , linux-btrfs@vger.kernel.org References: From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; keydata= xsBNBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAHNIlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT7CwJQEEwEIAD4CGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00iVQUJDToH pgAKCRDCPZHzoSX+qNKACACkjDLzCvcFuDlgqCiS4ajHAo6twGra3uGgY2klo3S4JespWifr BLPPak74oOShqNZ8yWzB1Bkz1u93Ifx3c3H0r2vLWrImoP5eQdymVqMWmDAq+sV1Koyt8gXQ XPD2jQCrfR9nUuV1F3Z4Lgo+6I5LjuXBVEayFdz/VYK63+YLEAlSowCF72Lkz06TmaI0XMyj jgRNGM2MRgfxbprCcsgUypaDfmhY2nrhIzPUICURfp9t/65+/PLlV4nYs+DtSwPyNjkPX72+ LdyIdY+BqS8cZbPG5spCyJIlZonADojLDYQq4QnufARU51zyVjzTXMg5gAttDZwTH+8LbNI4 mm2YzsBNBFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcga CbPEwhLj1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj /IrRUUka68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fN GSsRb+pKEKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0 q1eW4Jrv0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEv ABEBAAHCwHwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCY00ibgUJDToHvwAK CRDCPZHzoSX+qK6vB/9yyZlsS+ijtsvwYDjGA2WhVhN07Xa5SBBvGCAycyGGzSMkOJcOtUUf tD+ADyrLbLuVSfRN1ke738UojphwkSFj4t9scG5A+U8GgOZtrlYOsY2+cG3R5vjoXUgXMP37 INfWh0KbJodf0G48xouesn08cbfUdlphSMXujCA8y5TcNyRuNv2q5Nizl8sKhUZzh4BascoK DChBuznBsucCTAGrwPgG4/ul6HnWE8DipMKvkV9ob1xJS2W4WJRPp6QdVrBWJ9cCdtpR6GbL iQi22uZXoSPv/0oUrGU+U5X4IvdnvT+8viPzszL5wXswJZfqfy8tmHM85yjObVdIG6AlnrrD In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:ZzLKoyO2UPwdYORaA0J191xzZSu6TYPyz6y4GeIAGx16cGymus8 i3yAphJ7wsoI09YzCHlUvAgikYhm/9Ltj64S64YsaIUx9w5Y22b4BwoU+cYuI/VR1Y5RlwA bBaC/AoaxLZqPkptY/5K1Qb077EEbuFZhYUlNLGgyFQ09OVw7WaWOZpJIbMWsYMvsxTqkTU xdIOwizW4KLtXOv3S2t9g== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:TnqI/m5BDiA=;Gxx8j9R4KeoG7/8kqOiOawMUU+t zdErfL5PA6BQEeD8DlJoK+VACT/BI3eDawA2IEpgzxiWZZOJauBMc626XFo65mWQg8oxy/nH/ pPoIivA3fdU4IDudIwM8PGe+zK/PJHV2vJczc+1cB3Hni1BJIdxuoCN9eKHKv7xAjv4ipE9dL kTj9UTdv/chPzk6KsCJKTys4LCXlis5xCmWlJtrD9fpeFz76iL1UluuYvbQtx7FvinGpCSmvH oH3rSAqaB4wVrkUZMjwjRdZOKhmoPozYyj9n/shm7HOHxrkqo2LdJTHFv3b2anPdB3XA29+6h V0b5MSalzvOo1Big3PptlbRLGf36fkERniRNeKUJt9Zq7y+Mc/mzl122xg1sKTzYXoJVaXctX Ncmc331vTAe7QaXlMSMF+ADXrYg5maogJf/qBHoJmXOJ+LK4zzN5WrUewXh4Vq3HCuvgejfzz d+aPuC8txZRIxmswlmINFdAIj9CrSN89rhKFvSnLCYUVIo4pBEGFosfTrmNo7wYJ2AcEbJd+V DE4T0U/4lBUMuMPigHw3hTHdI8I5cUfB6+Dmq51Eqne58f4kCZ3G/EpDnKxNCXIYyZv0ehLsg 9u66b6nClJKpRd8om6abaf5znIJGHlYe6YN4tHpS1eo9VFjFpKOcGX5asYHOmAEgQ/AAOEgyM uXwestZUqEA4LAuWFLreE3rLs/cgpofwhSI/THO4+VI0PIPqMV0mr+I1qHosuESBPGxyIL4wQ uUSKWGh0eIiJCIb19fAnRt9P7xL9i0x8CN0pr5MRN4XH2gB6AGaV5KDo1HJgPkB7AVzhSiVGF FhOgw4cKVKhFMZejgyQA/wNFDvprgAGBrbTkNf9djtMMs= =E5=9C=A8 2024/2/26 06:00, Tavian Barnes =E5=86=99=E9=81=93: > Well, bad news: I started bisecting from v6.0 and after a couple > rounds, my root fs is really corrupted: > > UUID: e1902620-c206-4e34-9f24-e66cdb6b8872 > Scrub started: Sun Feb 25 18:47:29 2024 > Status: finished > Duration: 0:20:18 > Total to scrub: 2.72TiB > Rate: 2.29GiB/s > Error summary: csum=3D2073625 > Corrected: 0 > Uncorrectable: 2073625 > Unverified: 0 > > All the errors seem confined to one of the four disks which is strange: Mind to share which commit you're at when hitting the scrub errors? And have you tried with offline scrub (aka, "btrfs check =2D-check-data-csum")? IIRC during the rework of scrub, there are several regression caused by the rework (e02ee89baa66 ("btrfs: scrub: switch scrub_simple_mirror() to scrub_stripe infrastructure"), which is around 6.4). So if "btrfs check --check-data-csum" shows no error, it would be a false alert and you can just ignore them for now. Thanks, Qu > > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242230988800 on dev /dev/mapper/slash3 physical 914556321792 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242227580928 on dev /dev/mapper/slash3 physical 914555469824 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242228105216 on dev /dev/mapper/slash3 physical 914555600896 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242230202368 on dev /dev/mapper/slash3 physical 914556125184 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242233348096 on dev /dev/mapper/slash3 physical 914556911616 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242227843072 on dev /dev/mapper/slash3 physical 914555535360 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242228367360 on dev /dev/mapper/slash3 physical 914555666432 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242229415936 on dev /dev/mapper/slash3 physical 914555928576 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242229940224 on dev /dev/mapper/slash3 physical 914556059648 > BTRFS error (device dm-0): unable to fixup (regular) error at logical > 7242228891648 on dev /dev/mapper/slash3 physical 914555797504 > BTRFS warning (device dm-0): checksum error at logical 7242227843072 > on dev /dev/mapper/slash3, physical 914555535360, root 136483, inode > 60736199, offset 720896, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242228891648 > on dev /dev/mapper/slash3, physical 914555797504, root 136483, inode > 60736199, offset 1769472, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242228105216 > on dev /dev/mapper/slash3, physical 914555600896, root 136483, inode > 60736199, offset 983040, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242228367360 > on dev /dev/mapper/slash3, physical 914555666432, root 136483, inode > 60736199, offset 1245184, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242230988800 > on dev /dev/mapper/slash3, physical 914556321792, root 136483, inode > 60736199, offset 3866624, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242229940224 > on dev /dev/mapper/slash3, physical 914556059648, root 136483, inode > 60736199, offset 2818048, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242228891648 > on dev /dev/mapper/slash3, physical 914555797504, root 136483, inode > 60736199, offset 1769472, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242233348096 > on dev /dev/mapper/slash3, physical 914556911616, root 136483, inode > 60736199, offset 6225920, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242230202368 > on dev /dev/mapper/slash3, physical 914556125184, root 136483, inode > 60736199, offset 3080192, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > BTRFS warning (device dm-0): checksum error at logical 7242227843072 > on dev /dev/mapper/slash3, physical 914555535360, root 136483, inode > 60736199, offset 720896, length 4096, links 1 (path: > var/cache/pacman/pkg/agda-2.6.3-27-x86_64.pkg.tar.zst) > scrub_stripe_report_errors: 344892 callbacks suppressed > ... >