Re: xfs_repair segfault

[Dave Chinner <david@fromorbit.com>]

On Tue, Oct 01, 2013 at 12:57:42PM -0700, Viet Nguyen wrote:
> Hi,
> 
> I have a corrupted xfs partition that segfaults when I run xfs_repair, at
> the same place every time.
> 
> I'm using the latest version of xfs_repair that I am aware of: xfs_repair
> version 3.2.0-alpha1
> 
> I simply run it as so: xfs_repair -P /dev/sda1
> 
> Here's a sample of the last few lines that are spit out:
> correcting nextents for inode 8637985
> correcting nblocks for inode 8637985, was 198 - counted 0
> correcting nextents for inode 8637985, was 1 - counted 0
> data fork in regular inode 8637987 claims used block 7847452695
> correcting nextents for inode 8637987
> correcting nblocks for inode 8637987, was 198 - counted 0
> correcting nextents for inode 8637987, was 1 - counted 0
> data fork in regular inode 8637999 claims used block 11068974204
> correcting nextents for inode 8637999
> correcting nblocks for inode 8637999, was 200 - counted 0
> correcting nextents for inode 8637999, was 1 - counted 0
> data fork in regular inode 8638002 claims used block 11873152787
> correcting nextents for inode 8638002
> correcting nblocks for inode 8638002, was 201 - counted 0
> correcting nextents for inode 8638002, was 1 - counted 0
> imap claims a free inode 8638005 is in use, correcting imap and clearing
> inode
> cleared inode 8638005
> imap claims a free inode 8638011 is in use, correcting imap and clearing
> inode
> cleared inode 8638011
> Segmentation fault (core dumped)
> 
> It crashes after attempting to clear that same inode every time.
> 
> Any advice you can give me on this?

Can you run it under gdb and send the stack trace that tells us
where it crashed?

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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