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xfsp_repair segfault (3.1.4 & 3.1.6)

To: xfs@xxxxxxxxxxx
Subject: xfsp_repair segfault (3.1.4 & 3.1.6)
From: nanashi <nanashi@xxxxxxxxx>
Date: Fri, 28 Oct 2011 20:58:59 +0300
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100401 Thunderbird/3.0.4

I have a corrupted RAID5 xfs filesystem from an intel SS-4000 NAS storage.
I'm using slackware-current with kernel (32bit & 64bit)
When i try xfs_repair I get

xfs_repair: dir2.c:2133: process_dir2: Assertion `(ino
!=mp->m_sb.sb_rootino && ino != *parent) || (ino ==
mp->m_sb.sb_rootino && (ino == *parent || need_root_dotdot == 1))'

I try both x86 and x86_64, I build 3.1.4 and 3.1.6 with DEBUG=-DNDEBUG and both continue but gave me a segfault

[23978.718305] xfs_repair[25800]: segfault at 7fffa1d81ff0 ip 00007f15c1852049 sp 00007fffa257f048 error 6 in libc-2.13.so[7f15c1715000+19b000]

I try xfs_metadump and I get segfault too.

The partition is 2.2TB and I don't have enough space to dd it to an image.

I attach the xfs_repair output before the segfault.

any help is appreciated.

Attachment: md127p3_log.gz
Description: application/gzip

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