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charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-ID: <05B9DD98955A3E4D9524D32B6C019EBF@namprd15.prod.outlook.com> X-Proofpoint-GUID: 6Ly03KPwT1sUzkzjNK9NCNf1aIIDY197 X-Proofpoint-ORIG-GUID: 6Ly03KPwT1sUzkzjNK9NCNf1aIIDY197 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-05_03,2024-10-04_01,2024-09-30_01 This looks like a disk error to me. This was interesting though: > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af Why would btrfs check be reporting two different "found" values for the=20 same block? Mark On 15/10/24 15:43, Chris Murphy wrote: > >=20 > Fedora user report: > kernel 6.8.5-301.fc40.x86_64 > btrfs-progs 6.8 > Kioxia NVMe KXG80ZNV1T02, firmware 11304102 (used by Dell, seems firmware= is current) > https://urldefense.com/v3/__https://discussion.fedoraproject.org/t/stuck-= in-emergency-mode-after-force-shutdown/133615__;!!Bt8RZUm9aw!6m27MG8w3IYorE= 7KW3kmXdlLaSPpbskKASUnTigu4mMYKmsfvKrUgGv1nB13_24XicYXvDPOt1cF_G_j0w$ >=20 > Description: > User reports system was suspended, and wouldn't wake from suspend. And po= wer was forced off to recover. The problem appears on the subsequent boot. = This post contains the most relevant photo of kernel messages showing the m= ount errors, including both copies (DUP metadata) of all the backup tree ro= ots. >=20 > https://urldefense.com/v3/__https://discussion.fedoraproject.org/t/133615= /15__;!!Bt8RZUm9aw!6m27MG8w3IYorE7KW3kmXdlLaSPpbskKASUnTigu4mMYKmsfvKrUgGv1= nB13_24XicYXvDPOt1dplAlvvg$ >=20 > Supers all look good: >=20 > superblock: bytenr=3D65536, device=3D/dev/nvme0n1p3 > --------------------------------------------------------- > csum_type 0 (crc32c) > csum_size 4 > csum 0x79e5611c [match] > bytenr 65536 > flags 0x1 > ( WRITTEN ) > magic _BHRfS_M [match] > fsid 2c03e734-1b38-49e9-991a-1f85b9cc97f7 > metadata_uuid 00000000-0000-0000-0000-000000000000 > label fedora > generation 38863 > root 808009728 > sys_array_size 129 > chunk_root_generation 32970 > root_level 0 > chunk_root 24854528 > chunk_root_level 0 > log_root 0 > log_root_transid (deprecated) 0 > log_root_level 0 > total_bytes 1022505254912 > bytes_used 81702764544 > sectorsize 4096 > nodesize 16384 > leafsize (deprecated) 16384 > stripesize 4096 > root_dir 6 > num_devices 1 > compat_flags 0x0 > compat_ro_flags 0x3 > ( FREE_SPACE_TREE | > FREE_SPACE_TREE_VALID ) > incompat_flags 0x371 > ( MIXED_BACKREF | > COMPRESS_ZSTD | > BIG_METADATA | > EXTENDED_IREF | > SKINNY_METADATA | > NO_HOLES ) > cache_generation 0 > uuid_tree_generation 38863 > dev_item.uuid 0aab31a2-3c63-4c6f-bc4c-8f4b4bad66ac > dev_item.fsid 2c03e734-1b38-49e9-991a-1f85b9cc97f7 [match] > dev_item.type 0 > dev_item.total_bytes 1022505254912 > dev_item.bytes_used 89145737216 > dev_item.io_align 4096 > dev_item.io_width 4096 > dev_item.sector_size 4096 > dev_item.devid 1 > dev_item.dev_group 0 > dev_item.seek_speed 0 > dev_item.bandwidth 0 > dev_item.generation 0 > sys_chunk_array[2048]: > item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 22020096) > length 8388608 owner 2 stripe_len 65536 type SYSTEM|DUP > io_align 65536 io_width 65536 sector_size 4096 > num_stripes 2 sub_stripes 1 > stripe 0 devid 1 offset 22020096 > dev_uuid 0aab31a2-3c63-4c6f-bc4c-8f4b4bad66ac > stripe 1 devid 1 offset 30408704 > dev_uuid 0aab31a2-3c63-4c6f-bc4c-8f4b4bad66ac > backup_roots[4]: > backup 0: > backup_tree_root: 803454976 gen: 38861 level: 0 > backup_chunk_root: 24854528 gen: 32970 level: 0 > backup_extent_root: 802881536 gen: 38861 level: 2 > backup_fs_root: 30572544 gen: 9 level: 0 > backup_dev_root: 73252864 gen: 36528 level: 0 > csum_root: 801767424 gen: 38861 level: 2 > backup_total_bytes: 1022505254912 > backup_bytes_used: 81702764544 > backup_num_devices: 1 >=20 > backup 1: > backup_tree_root: 804864000 gen: 38862 level: 0 > backup_chunk_root: 24854528 gen: 32970 level: 0 > backup_extent_root: 804093952 gen: 38862 level: 2 > backup_fs_root: 30572544 gen: 9 level: 0 > backup_dev_root: 73252864 gen: 36528 level: 0 > csum_root: 801931264 gen: 38862 level: 2 > backup_total_bytes: 1022505254912 > backup_bytes_used: 81702899712 > backup_num_devices: 1 >=20 > backup 2: > backup_tree_root: 808009728 gen: 38863 level: 0 > backup_chunk_root: 24854528 gen: 32970 level: 0 > backup_extent_root: 806535168 gen: 38863 level: 2 > backup_fs_root: 30572544 gen: 9 level: 0 > backup_dev_root: 73252864 gen: 36528 level: 0 > csum_root: 803799040 gen: 38863 level: 2 > backup_total_bytes: 1022505254912 > backup_bytes_used: 81702764544 > backup_num_devices: 1 >=20 > backup 3: > backup_tree_root: 801734656 gen: 38860 level: 0 > backup_chunk_root: 24854528 gen: 32970 level: 0 > backup_extent_root: 800374784 gen: 38860 level: 2 > backup_fs_root: 30572544 gen: 9 level: 0 > backup_dev_root: 73252864 gen: 36528 level: 0 > csum_root: 797999104 gen: 38860 level: 2 > backup_total_bytes: 1022505254912 > backup_bytes_used: 81702764544 > backup_num_devices: 1 >=20 >=20 > btrfs insp dump-t -b 808009728 $DEV > btrfs-progs v6.8 > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af > Couldn't read tree root > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af > ERROR: failed to read tree block 808009728 >=20 > btrfs insp dump-t -b 80486400 $DEV > btrfs-progs v6.8 > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af > Couldn't read tree root > checksum verify failed on 80486400 wanted 0x00000000 found 0x973bc4ee > checksum verify failed on 80486400 wanted 0x00000000 found 0x14f430d1 > ERROR: failed to read tree block 80486400 >=20 >=20 > btrfs insp dump-t -b 803454976 $DEV > btrfs-progs v6.8 > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af > Couldn't read tree root > checksum verify failed on 803454976 wanted 0x080fd04c found 0x4431a259 > checksum verify failed on 803454976 wanted 0x00000000 found 0x3be418cb > ERROR: failed to read tree block 803454976 >=20 >=20 > btrfs insp dump-t -b 801734656 $DEV > btrfs-progs v6.8 > checksum verify failed on 808009728 wanted 0x00000000 found 0xca72d647 > checksum verify failed on 808009728 wanted 0x780fa0fd found 0x2ce4b8af > Couldn't read tree root > checksum verify failed on 801734656 wanted 0x080fd04c found 0x69344e69 > checksum verify failed on 801734656 wanted 0x00000000 found 0x818d4e83 > ERROR: failed to read tree block 801734656 >=20 >=20 > But I'm not sure where to suggest the user go from here since none of the= tree roots can be read. That seems like quite a lot of problems all at onc= e to different parts of the media. >=20 > thanks, >=20 >=20 > -- > Chris Murphy >=20