On 2017年11月17日 10:26, Marc MERLIN wrote: > Howdy, > > Up to date git pull from btrfs-progs: > > gargamel:~# btrfs check --repair /dev/mapper/raid0d1 > enabling repair mode > Checking filesystem on /dev/mapper/raid0d1 > UUID: 01334b81-c0db-4e80-92e4-cac4da867651 > checking extents > corrupt extent record: key 203003699200 168 40960 > corrupt extent record: key 203003764736 168 172032 > ref mismatch on [203003699200 40960] extent item 0, found 1 > Data backref 203003699200 root 258 owner 1933897829 offset 0 num_refs 0 not found in extent tree > Incorrect local backref count on 203003699200 root 258 owner 1933897829 offset 0 found 1 wanted 0 back 0x5596988c2130 > backpointer mismatch on [203003699200 40960] > repair deleting extent record: key 203003699200 168 40960 > adding new data backref on 203003699200 root 258 owner 1933897829 offset 0 found 1 > Repaired extent references for 203003699200 > Data backref 203003764736 root 258 owner 1932315368 offset 0 num_refs 0 not found in extent tree > Incorrect local backref count on 203003764736 root 258 owner 1932315368 offset 0 found 1 wanted 0 back 0x5596dde358f0 > backpointer mismatch on [203003764736 172032] > repair deleting extent record: key 203003764736 168 172032 > adding new data backref on 203003764736 root 258 owner 1932315368 offset 0 found 1 > Repaired extent references for 203003764736 > Fixed 0 roots. > checking free space cache > cache and super generation don't match, space cache will be invalidated > checking fs roots > invalid location in dir item 0 > Deleting bad dir index [1919785864,96,1958] root 258 > Deleting bad dir index [1919785864,96,1957] root 258 > repairing missing dir index item for inode 1919805647 > cmds-check.c:2614: add_missing_dir_index: BUG_ON `ret` triggered, value -17 -EEXIST. Btrfs check --repair is trying to re-insert some key which exists already. Would you please provide the output of "btrfs-debug-tree -t 258 | grep 1919805647" to help the debugging? Thanks, Qu > btrfs(+0x52207)[0x55966a6fa207] > btrfs(+0x5225a)[0x55966a6fa25a] > btrfs(+0x5cef3)[0x55966a704ef3] > btrfs(cmd_check+0x2e10)[0x55966a70ea35] > btrfs(main+0x85)[0x55966a6b9dc3] > /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7f794aadf2b1] > btrfs(_start+0x2a)[0x55966a6b993a] > Aborted >
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