On 16/09/2019 23:35, Eric Sandeen wrote:
> On 9/15/19 7:44 AM, Arkadiusz Miśkiewicz wrote:
>>
>> Hello.
>>
>> xfsprogs 5.2.1 and:
>>
>> disconnected dir inode 9185193405, moving to lost+found
>> disconnected dir inode 9185193417, moving to lost+found
>> disconnected dir inode 9185194001, moving to lost+found
>> disconnected dir inode 9185194004, moving to lost+found
>> disconnected dir inode 9185194010, moving to lost+found
>> disconnected dir inode 9185194012, moving to lost+found
>> disconnected dir inode 9185194018, moving to lost+found
>> disconnected dir inode 9185194027, moving to lost+found
>> disconnected dir inode 9185205370, moving to lost+found
>> disconnected dir inode 9185209007, moving to lost+found
>> corrupt dinode 9185209007, (btree extents).
>> Metadata corruption detected at 0x449621, inode 0x2237b2aaf
>> libxfs_iread_extents
>> xfs_repair: phase6.c:1129: mv_orphanage: Assertion `err == 2' failed.
>> Aborted
>
>>
>>
>> # grep -A1 -B1 9185209007 log
>> entry ".." at block 0 offset 80 in directory inode 9185141346 references
>> non-existent inode 6454491396
>> entry ".." at block 0 offset 80 in directory inode 9185209007 references
>> free inode 62881485764
>> entry ".." at block 0 offset 80 in directory inode 9185220220 references
>> free inode 6454492606
>> --
>> rebuilding directory inode 9185141346
>> entry ".." in directory inode 9185209007 points to free inode
>> 62881485764, marking entry to be junked
>> rebuilding directory inode 9185209007
>> name create failed in ino 9185209007 (117), filesystem may be out of space
>
> 117 is EUCLEAN/EFSCORRUPTED even though we were in the process of rebuilding it. :(
>
> so this is probably why a subsequent attempt to move it to lost+found failed as well?
>
> Is this a metadumpable filesystem...?
It's one of my big fses but metadump can't deal with it:
> [...]
> Copied 103433024 of 165039360 inodes (24 of 39 AGs) Unknown directory buffer type!
> Copied 104001280 of 165039360 inodes (24 of 39 AGs) Unknown directory buffer type!
> Copied 105465088 of 165039360 inodes (24 of 39 AGs) Unknown directory buffer type!
> Copied 107092608 of 165039360 inodes (25 of 39 AGs) Metadata corruption detected at 0x473455, xfs_dir3_leaf1 block 0xc8471ce78/0x1000
> Segmentation fault (core dumped)
>
> (gdb) where
> #0 __memset_avx2_erms () at ../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:151
> #1 0x0000000000429113 in process_dir_leaf_block (block=0xf8be800 "") at metadump.c:1488
> #2 0x000000000042a1ac in process_single_fsb_objects (o=8388608, s=6720207336, c=1, btype=TYP_DIR2, last=8388609) at metadump.c:1904
> #3 0x000000000042a9ab in process_bmbt_reclist (rp=0x98c88d0, numrecs=3, btype=TYP_DIR2) at metadump.c:2121
> #4 0x000000000042b493 in process_exinode (dip=0x98c8800, itype=TYP_DIR2) at metadump.c:2292
> #5 0x000000000042b51c in process_inode_data (dip=0x98c8800, itype=TYP_DIR2) at metadump.c:2318
> #6 0x000000000042b7b0 in process_inode (agno=25, agino=4599138, dip=0x98c8800, free_inode=false) at metadump.c:2386
> #7 0x000000000042bd34 in copy_inode_chunk (agno=25, rp=0xa714818) at metadump.c:2536
> #8 0x000000000042beee in scanfunc_ino (block=0xa713a00, agno=25, agbno=15498, level=0, btype=TYP_INOBT, arg=0x7ffd2c457604) at metadump.c:2596
> #9 0x0000000000427156 in scan_btree (agno=25, agbno=15498, level=1, btype=TYP_INOBT, arg=0x7ffd2c457604, func=0x42bde7 <scanfunc_ino>) at metadump.c:402
> #10 0x000000000042c0a9 in scanfunc_ino (block=0x600e400, agno=25, agbno=8, level=1, btype=TYP_INOBT, arg=0x7ffd2c457604) at metadump.c:2619
> #11 0x0000000000427156 in scan_btree (agno=25, agbno=8, level=2, btype=TYP_INOBT, arg=0x7ffd2c457604, func=0x42bde7 <scanfunc_ino>) at metadump.c:402
> #12 0x000000000042c19c in copy_inodes (agno=25, agi=0x8bdce00) at metadump.c:2652
> #13 0x000000000042c775 in scan_ag (agno=25) at metadump.c:2776
> #14 0x000000000042d404 in metadump_f (argc=3, argv=0x2239190) at metadump.c:3078
> #15 0x0000000000417fdd in command (argc=3, argv=0x2239190) at command.c:89
> #16 0x0000000000421c69 in main (argc=7, argv=0x7ffd2c4578b8) at init.c:195
> (gdb) bt full
> #0 __memset_avx2_erms () at ../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:151
> No locals.
> #1 0x0000000000429113 in process_dir_leaf_block (block=0xf8be800 "") at metadump.c:1488
> ltp = 0xf8bf7fc
> lbp = 0xf8bdf96
> ents = 0xf8be840
> free = 0xf8bead0 ""
> leaf = 0xf8be800
> leafhdr = {
> forw = 12,
> back = 6,
> magic = 15857,
> count = 82,
> stale = 0
> }
> #2 0x000000000042a1ac in process_single_fsb_objects (o=8388608, s=6720207336, c=1, btype=TYP_DIR2, last=8388609) at metadump.c:1904
> dp = 0xf8be800 ""
> ret = 0
> i = 0
> #3 0x000000000042a9ab in process_bmbt_reclist (rp=0x98c88d0, numrecs=3, btype=TYP_DIR2) at metadump.c:2121
> i = 2
> o = 8388608
> op = 8388608
> s = 6720207336
> c = 1
> cp = 1
> f = 0
> last = 8388609
> agno = 25
> agbno = 9320936
> is_multi_fsb = false
> error = 0
> #4 0x000000000042b493 in process_exinode (dip=0x98c8800, itype=TYP_DIR2) at metadump.c:2292
> whichfork = 0
> used = 48
> nex = 3
> #5 0x000000000042b51c in process_inode_data (dip=0x98c8800, itype=TYP_DIR2) at metadump.c:2318
> No locals.
> #6 0x000000000042b7b0 in process_inode (agno=25, agino=4599138, dip=0x98c8800, free_inode=false) at metadump.c:2386
> success = 1
> crc_was_ok = true
> need_new_crc = false
> #7 0x000000000042bd34 in copy_inode_chunk (agno=25, rp=0xa714818) at metadump.c:2536
> dip = 0x98c8800
> agino = 4599136
> off = 0
> agbno = 574892
> end_agbno = 574900
> i = 2
> rval = 0
> blks_per_buf = 8
> --Type <RET> for more, q to quit, c to continue without paging--
> inodes_per_buf = 64
> ioff = 0
> #8 0x000000000042beee in scanfunc_ino (block=0xa713a00, agno=25, agbno=15498, level=0, btype=TYP_INOBT, arg=0x7ffd2c457604) at metadump.c:2596
> rp = 0xa714818
> pp = 0x7ffd2c457500
> i = 222
> numrecs = 252
> finobt = 0
> #9 0x0000000000427156 in scan_btree (agno=25, agbno=15498, level=1, btype=TYP_INOBT, arg=0x7ffd2c457604, func=0x42bde7 <scanfunc_ino>) at metadump.c:402
> rval = 0
> #10 0x000000000042c0a9 in scanfunc_ino (block=0x600e400, agno=25, agbno=8, level=1, btype=TYP_INOBT, arg=0x7ffd2c457604) at metadump.c:2619
> rp = 0x600e400
> pp = 0x600ec1c
> i = 16
> numrecs = 280
> finobt = 0
> #11 0x0000000000427156 in scan_btree (agno=25, agbno=8, level=2, btype=TYP_INOBT, arg=0x7ffd2c457604, func=0x42bde7 <scanfunc_ino>) at metadump.c:402
> rval = 0
> #12 0x000000000042c19c in copy_inodes (agno=25, agi=0x8bdce00) at metadump.c:2652
> root = 8
> levels = 2
> finobt = 0
> #13 0x000000000042c775 in scan_ag (agno=25) at metadump.c:2776
> agf = 0x2a98a00
> agi = 0x8bdce00
> stack_count = 4
> rval = 0
> #14 0x000000000042d404 in metadump_f (argc=3, argv=0x2239190) at metadump.c:3078
> agno = 25
> c = -1
> start_iocur_sp = 0
> outfd = -1
> ret = 0
> p = 0x7ffd2c457740 "\200wE,\375\177"
> #15 0x0000000000417fdd in command (argc=3, argv=0x2239190) at command.c:89
> cmd = 0x7ffd2c458ff6 "metadump"
> ct = 0x224c9d0
> #16 0x0000000000421c69 in main (argc=7, argv=0x7ffd2c4578b8) at init.c:195
> c = 3
> i = 0
> done = 0
> input = 0x4a5e90 <__libc_csu_init> "\363\017\036\372AWL\215=3\257\003"
> v = 0x2239190
> start_iocur_sp = 0
> (gdb) frame 1
> #1 0x0000000000429113 in process_dir_leaf_block (block=0xf8be800 "") at metadump.c:1488
> 1488 memset(free, 0, (char *)lbp - free);
> (gdb) print free
> $4 = 0xf8bead0 ""
> (gdb) print lbp
> $5 = (__be16 *) 0xf8bdf96
> (gdb) print (char *)lbp-free
> $6 = -2874
> (gdb)
--
Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )
