Sorry for the late reply, I was off yesterday. On 2018年01月22日 23:04, ^m'e wrote: > Thanks for the quick reply, Qu! > > I forgot to say that I see weird characters in the btrfs check repair > in lines "ERROR: DIR_ITEM... name ..." output. Although that can be > due to corruption, I seem to remember that a previous version of > btrfs-progs I used didn't show that... > I also see: > > [19428.934684] init_special_inode: bogus i_mode (700) for inode > sdb3:18446744073709551361 > > BTW, no sensible names in the debug output, and as far as I can see, > it might be all stuff in '[rootfs]/usr/portage': if that's the case, > corrupted inodes can be safely removed, as the portage package tree > can be easily rebuild. Here you are: > > ---------------------------------->8------------------------------------- > # cat btrfs-debug.30039322.log[snip] This where the dir starts. > item 78 key (30039322 INODE_ITEM 0) itemoff 4203 itemsize 160 > generation 136248 transid 229515 size 152 nbytes 0 > block group 0 mode 40755 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0xf(none) > atime 1504685599.188061317 (2017-09-06 08:13:19) > ctime 1516557882.551679697 (2018-01-21 18:04:42) > mtime 1516557882.551679697 (2018-01-21 18:04:42) > otime 1504685599.188061317 (2017-09-06 08:13:19) > item 79 key (30039322 INODE_REF 30037720) itemoff 4161 itemsize 42 > index 242 namelen 32 name: obs-service-download_src_package > item 80 key (30039322 DIR_ITEM 1076301169) itemoff 4083 itemsize 78 > location key (30039325 INODE_ITEM 0) type FILE > transid 136248 data_len 0 name_len 48 > name: obs-service-download_src_package-20130318.ebuild > item 81 key (30039322 DIR_ITEM 2438219243) itemoff 4041 itemsize 42 > location key (0 UNKNOWN.0 0) type FILE > transid 136192 data_len 0 name_len 12 > name: metadata.xml > item 82 key (30039322 DIR_ITEM 4007295565) itemoff 3927 itemsize 114 > location key (0 UNKNOWN.0 0) type DIR_ITEM.0 > transid 0 data_len 0 name_len 0 > name: > location key (0 UNKNOWN.125 72057594038112709) type DIR_ITEM.0 > transid 0 data_len 32907 name_len 3 > name: > data The whole item is corrupted. Seems to be a half-written item get flushed to disk. I assume this is the DIR_ITEM for *two* Manifest, but that's just insane, as we're going to have 2 files with the same name "Manifest" > item 83 key (30039322 DIR_INDEX 2) itemoff 3889 itemsize 38 > location key (30039323 INODE_ITEM 0) type FILE > transid 3377699720527872 data_len 0 name_len 8 The transid seems corrupted too. Maybe I need to delete this item too? > name: Manifest > item 84 key (30039322 DIR_INDEX 3) itemoff 3847 itemsize 42 > location key (30039324 INODE_ITEM 0) type FILE > transid 136248 data_len 0 name_len 12 > name: metadata.xml > item 85 key (30039322 DIR_INDEX 4) itemoff 3769 itemsize 78 > location key (30039325 INODE_ITEM 0) type FILE > transid 136248 data_len 0 name_len 48 > name: obs-service-download_src_package-20130318.ebuild > item 86 key (30039322 DIR_INDEX 5) itemoff 3731 itemsize 38 > location key (47302013 INODE_ITEM 0) type FILE > transid 229515 data_len 0 name_len 8 > name: Manifest > item 87 key (30039323 INODE_ITEM 0) itemoff 3571 itemsize 160 > generation 136248 transid 202216 size 782 nbytes 782 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0xb(none) > atime 1504685599.188061317 (2017-09-06 08:13:19) > ctime 1512818139.540278499 (2017-12-09 11:15:39) > mtime 1504685599.188061317 (2017-09-06 08:13:19) > otime 1504685599.188061317 (2017-09-06 08:13:19) > item 88 key (30039323 INODE_REF 30039322) itemoff 3553 itemsize 18 > index 2 namelen 8 name: Manifest > item 89 key (30039323 EXTENT_DATA 0) itemoff 2750 itemsize 803 > generation 136248 type 0 (inline) > inline extent data size 782 ram_bytes 782 compression 0 (none) > item 90 key (30039324 INODE_ITEM 0) itemoff 2590 itemsize 160 > generation 136248 transid 202216 size 448 nbytes 448 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0xb(none) > atime 1504685599.188061317 (2017-09-06 08:13:19) > ctime 1512818139.540278499 (2017-12-09 11:15:39) > mtime 1504685599.188061317 (2017-09-06 08:13:19) > otime 1504685599.188061317 (2017-09-06 08:13:19) > item 91 key (30039324 INODE_REF 30039322) itemoff 2568 itemsize 22 > index 3 namelen 12 name: metadata.xml > leaf 36701356032 items 44 free space 8701 generation 202216 owner 257 > leaf 36701356032 flags 0x1(WRITTEN) backref revision 1 > fs uuid de1723e2-150c-4448-bb36-be14d7d96093 > chunk uuid 443a227c-4f87-419a-b89a-3f5714eea403 > item 0 key (30039324 EXTENT_DATA 0) itemoff 15814 itemsize 469 > generation 136248 type 0 (inline) > inline extent data size 448 ram_bytes 448 compression 0 (none) > item 1 key (30039325 INODE_ITEM 0) itemoff 15654 itemsize 160 > generation 136248 transid 202216 size 213 nbytes 213 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0xb(none) > atime 1504685599.188061317 (2017-09-06 08:13:19) > ctime 1512818139.540278499 (2017-12-09 11:15:39) > mtime 1504685599.188061317 (2017-09-06 08:13:19) > otime 1504685599.188061317 (2017-09-06 08:13:19) > item 2 key (30039325 INODE_REF 30039322) itemoff 15596 itemsize 58 > index 4 namelen 48 name: > obs-service-download_src_package-20130318.ebuild > item 3 key (30039325 EXTENT_DATA 0) itemoff 15362 itemsize 234 > generation 136248 type 0 (inline) > inline extent data size 213 ram_bytes 213 compression 0 (none) > item 4 key (30039326 INODE_ITEM 0) itemoff 15202 itemsize 160 > generation 136248 transid 202216 size 120 nbytes 0 > block group 0 mode 40755 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0xe(none) > atime 1504685599.188061317 (2017-09-06 08:13:19) > ctime 1512818139.541278502 (2017-12-09 11:15:39) > mtime 1504685599.188061317 (2017-09-06 08:13:19) > otime 1504685599.188061317 (2017-09-06 08:13:19) > item 5 key (30039326 INODE_REF 30037720) itemoff 15168 itemsize 34 > index 243 namelen 24 name: obs-service-download_url > item 6 key (30039326 DIR_ITEM 1441374077) itemoff 15098 itemsize 70 > location key (30039329 INODE_ITEM 0) type FILE > transid 136248 data_len 0 name_len 40 > name: obs-service-download_url-20130318.ebuild > item 7 key (30039326 DIR_ITEM 2438219243) itemoff 15056 itemsize 42 > location key (30039328 INODE_ITEM 0) type FILE > -- > generation 229515 transid 229515 size 26 nbytes 26 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0x2(none) > atime 1516557882.505679580 (2018-01-21 18:04:42) > ctime 1516557882.505679580 (2018-01-21 18:04:42) > mtime 1516557882.505679580 (2018-01-21 18:04:42) > otime 1516557882.505679580 (2018-01-21 18:04:42) > item 61 key (47302010 INODE_REF 30002892) itemoff 11503 itemsize 14 > index 1798 namelen 4 name: HEAD > item 62 key (47302010 EXTENT_DATA 0) itemoff 11456 itemsize 47 > generation 229515 type 0 (inline) > inline extent data size 26 ram_bytes 26 compression 0 (none) > item 63 key (47302013 INODE_ITEM 0) itemoff 11296 itemsize 160 > generation 229515 transid 229516 size 782 nbytes 782 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0x0(none) > atime 1516557882.551679697 (2018-01-21 18:04:42) > ctime 1516557882.551679697 (2018-01-21 18:04:42) > mtime 1516557882.551679697 (2018-01-21 18:04:42) > otime 1516557882.551679697 (2018-01-21 18:04:42) > item 64 key (47302013 INODE_REF 30039322) itemoff 11278 itemsize 18 > index 5 namelen 8 name: Manifest Now we do have 2 "Manifest". Which one do you prefer to delete? The latter one, inode 47302013 seems newer, while previous one, inode 30039323 is pretty old. Despite that, I didn't see big problem in the dump. I'll just craft the dirty fix to delete one inode and the incorrect dir index/item. Thanks, Qu > leaf 186518913024 items 86 free space 3119 generation 229516 owner 257 > leaf 186518913024 flags 0x1(WRITTEN) backref revision 1 > fs uuid de1723e2-150c-4448-bb36-be14d7d96093 > chunk uuid 443a227c-4f87-419a-b89a-3f5714eea403 > item 0 key (47302013 EXTENT_DATA 0) itemoff 15480 itemsize 803 > generation 229516 type 0 (inline) > inline extent data size 782 ram_bytes 782 compression 0 (none) > item 1 key (47302018 INODE_ITEM 0) itemoff 15320 itemsize 160 > generation 229515 transid 229515 size 41 nbytes 41 > block group 0 mode 100644 links 1 uid 250 gid 250 rdev 0 > sequence 0 flags 0x2(none) > atime 1516557883.180681304 (2018-01-21 18:04:43) > ctime 1516557883.180681304 (2018-01-21 18:04:43) > mtime 1516557883.180681304 (2018-01-21 18:04:43) > otime 1516557883.180681304 (2018-01-21 18:04:43) > item 2 key (47302018 INODE_REF 30002892) itemoff 15301 itemsize 19 > index 1801 namelen 9 name: ORIG_HEAD > item 3 key (47302018 EXTENT_DATA 0) itemoff 15239 itemsize 62 > generation 229515 type 0 (inline) > ---------------------------------->8------------------------------------- >
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