xfs_repair - segemnation fault | git error

[Velimir Galic <veli.galic@gmail.com>]

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hi Guys,

I hope you are able to help me, because i think that i
tried everything that i know off to repair my raid after a disk failure.

Systemspecs:

   - HP N40L
      - CPU: AMD Turion II @ 1,5GHZ
      - 8GB ECC RAM
      - Disks:
         - 250GB | OS
         - 4x2GB | RAID 5 | Softraid
      - OS: Openmediavault @ 3.0.20 (last version)


Problem:

In my raid a disk was fault so mdadm kicked the disk out of the raid. I put
a replacement in the box and started a resync of the raid and than
is happened, a second disk got lost in the raid. The raidsync wasn't
finished and now i'm fighting 3 weeks or more i don't no any more :-( to
repair the file system.

I tried a lot of different versions of xfs_repair (2.9.4, 2.9.8, 2.10.2,
3.0.4, 3.1.2, 3.1.6, 3.1,8), but every precompiled version got an
"segmentation fault" or hung at phase 3 with 100% cpu load for few day. I
also tried different distros like ubuntu, debian, redhat, gentoo (yes, i'm
a little bit desperate :-) )  Than i tried the git version and at first it
looked good but than i got an another error but i don't understand what the
problem is.

tried options without any luck: xfs_repair -v -P | xfs_repair -v -P -m 6144
| xfs_repair -v -P -L

Metadump of the filesystem isn't possible at this moment, but i could
bootup a live cd and give it a try with it. I'm pretty stuck and don't no
what to do any more.


with kind regards
Veli

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root@hpbox:~# xfs_metadump /dev/md127 /media/localhdd/md127.metadump
*** glibc detected *** xfs_db: double free or corruption (!prev): 0x0000000001ccb000 ***
======= Backtrace: =========
/lib/libc.so.6(+0x71bd6)[0x7f5e34b55bd6]
/lib/libc.so.6(cfree+0x6c)[0x7f5e34b5a94c]
xfs_db[0x41a8e3]
xfs_db[0x41c3ec]
xfs_db[0x41e2bc]
xfs_db[0x41c152]
xfs_db[0x41dfd4]
xfs_db[0x41c152]
xfs_db[0x41eedb]
xfs_db[0x418d08]
/lib/libc.so.6(__libc_start_main+0xfd)[0x7f5e34b02c8d]
xfs_db[0x4027d9]
======= Memory map: ========
00400000-00475000 r-xp 00000000 08:41 2338                               /usr/sbin/xfs_db
00675000-00676000 rw-p 00075000 08:41 2338                               /usr/sbin/xfs_db
00676000-00689000 rw-p 00000000 00:00 0 
01c83000-01f1d000 rw-p 00000000 00:00 0                                  [heap]
7f5e30000000-7f5e30021000 rw-p 00000000 00:00 0 
7f5e30021000-7f5e34000000 ---p 00000000 00:00 0 
7f5e348c7000-7f5e348dd000 r-xp 00000000 08:41 21105                      /lib/libgcc_s.so.1
7f5e348dd000-7f5e34adc000 ---p 00016000 08:41 21105                      /lib/libgcc_s.so.1
7f5e34adc000-7f5e34add000 rw-p 00015000 08:41 21105                      /lib/libgcc_s.so.1
7f5e34ae4000-7f5e34c3d000 r-xp 00000000 08:41 3222                       /lib/libc-2.11.3.so
7f5e34c3d000-7f5e34e3c000 ---p 00159000 08:41 3222                       /lib/libc-2.11.3.so
7f5e34e3c000-7f5e34e40000 r--p 00158000 08:41 3222                       /lib/libc-2.11.3.so
7f5e34e40000-7f5e34e41000 rw-p 0015c000 08:41 3222                       /lib/libc-2.11.3.so
7f5e34e41000-7f5e34e46000 rw-p 00000000 00:00 0 
7f5e34e46000-7f5e34e5d000 r-xp 00000000 08:41 3217                       /lib/libpthread-2.11.3.so
7f5e34e5d000-7f5e3505c000 ---p 00017000 08:41 3217                       /lib/libpthread-2.11.3.so
7f5e3505c000-7f5e3505d000 r--p 00016000 08:41 3217                       /lib/libpthread-2.11.3.so
7f5e3505d000-7f5e3505e000 rw-p 00017000 08:41 3217                       /lib/libpthread-2.11.3.so
7f5e3505e000-7f5e35062000 rw-p 00000000 00:00 0 
7f5e35062000-7f5e35069000 r-xp 00000000 08:41 3219                       /lib/librt-2.11.3.so
7f5e35069000-7f5e35268000 ---p 00007000 08:41 3219                       /lib/librt-2.11.3.so
7f5e35268000-7f5e35269000 r--p 00006000 08:41 3219                       /lib/librt-2.11.3.so
7f5e35269000-7f5e3526a000 rw-p 00007000 08:41 3219                       /lib/librt-2.11.3.so
7f5e3526a000-7f5e3526e000 r-xp 00000000 08:41 21195                      /lib/libuuid.so.1.3.0
7f5e3526e000-7f5e3546d000 ---p 00004000 08:41 21195                      /lib/libuuid.so.1.3.0
7f5e3546d000-7f5e3546e000 rw-p 00003000 08:41 21195                      /lib/libuuid.so.1.3.0
7f5e3546e000-7f5e3548c000 r-xp 00000000 08:41 3218                       /lib/ld-2.11.3.so
7f5e354c7000-7f5e35509000 rw-p 00000000 00:00 0 
7f5e35509000-7f5e3567e000 r--p 00000000 08:41 2104                       /usr/lib/locale/locale-archive
7f5e3567e000-7f5e35682000 rw-p 00000000 00:00 0 
7f5e35689000-7f5e3568b000 rw-p 00000000 00:00 0 
7f5e3568b000-7f5e3568c000 r--p 0001d000 08:41 3218                       /lib/ld-2.11.3.so
7f5e3568c000-7f5e3568d000 rw-p 0001e000 08:41 3218                       /lib/ld-2.11.3.so
7f5e3568d000-7f5e3568e000 rw-p 00000000 00:00 0 
7fff33b52000-7fff33b73000 rw-p 00000000 00:00 0                          [stack]
7fff33bff000-7fff33c00000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
Aborted

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