On 03.10.2019 5:00, Qu Wenruo wrote:
I think "btrfs check" is looped somewhere. Or not?
You can try "btrfs check --mode=lowmem --repair" as an alternative.
$ btrfs check -p --mode=lowmem --repair sda4.image.copy
enabling repair mode
WARNING: low-memory mode repair support is only partial
Opening filesystem to check...
Checking filesystem on sda4.image.copy
UUID: a942b8da-e92d-4348-8de9-ded1e5e095ad
[1/7] checking root items (0:00:07 elapsed, 509895 items
checked)
Fixed 0 roots.
No device size related problem found (0:00:47 elapsed, 71347 items
checked)
[2/7] checking extents (0:00:47 elapsed, 71347 items
checked)
cache and super generation don't match, space cache will be invalidated
[3/7] checking free space cache (0:00:00 elapsed)
ERROR: root 5 DIR_INDEX[843063 15] data_len shouldn't be 256sed, 1055 items
checked)
invalid dir item size
ERROR: fail to repair inode 908624 name filterlog.html filetype 1
ERROR: root 5 DIR ITEM[843063 15] name filterlog.html filetype 1 missing
ERROR: root 5 INODE REF[908624, 843063] name filterlog.html filetype 1 missing
ERROR: root 5 DIR_INDEX[843063 18] data_len shouldn't be 256
ERROR: root 5 INODE_ITEM[908627] index 18 name Sent/sbd filetype 2 mismath
ERROR: root 5 DIR_INDEX[843063 18] should contain only one entry
Set isize in inode 843063 root 5 to 318
ERROR: root 5 EXTENT_DATA[843064 45056] csum missing, have: 0, expected: 16384
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item sizets (0:00:13 elapsed, 1297 items
checked)
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
invalid dir item size
invalid dir item size
ERROR: fail to repair inode 843091 name Sent.sbd filetype 2
ERROR: root 5 DIR INDEX[843063 18] missing name Sent.sbd filetype 2
...
I think it looped again.
