xfs_repair stops on "traversing filesystem..."

[Eric Sandeen]

Tomek Kruszona wrote:
> Hello!
> 
> I have a little problem with XFS filesystem that I have on one of my
> machines. I try to make xfs_repair that was not making any problems
> before, but xfs_repair stops on:
> 
> Phase 6 - check inode connectivity...
>         - resetting contents of realtime bitmap and summary inodes
>         - traversing filesystem ...
> 
> CPU usage grows up to 100%. I left it in the night hoping it will finish
> job till morning, but the situation hasn't changed...
> 
> System is Debian Lenny with current updates and custom 2.6.30.1 kernel
> xfsprogs-2.9.8. Filesysystem is placed on LVM2 Logical Volume.
> 
> I upgraded xfsprogs to 3.0.2 version and the problem still persists.
> Then I reverted to 2.9.8 package from Debian Lenny.
> Switching back to debian default 2.6.26 kernel doesn't help too.
> 
> I can mount this filesystem and operate on it.
> 
> Data on this system is not so crucial, because it's backup/testing
> machine, but it would be great to keep this data, because synchronizing
> 14TB of data will take some time.
> 
> Output from xfs_info:
> # xfs_info /mnt/storage/
> meta-data=/dev/mapper/p02bvg-p02blv isize=256    agcount=32,
> agsize=268435455 blks
>          =                       sectsz=512   attr=2
> data     =                       bsize=4096   blocks=8410889216, imaxpct=5
>          =                       sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096
> log      =internal               bsize=4096   blocks=32768, version=2
>          =                       sectsz=512   sunit=0 blks, lazy-count=0
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> 
> Any ideas how to make xfs_repair working again?

No fix for you yet, but it's in cache_node_get(), in the for(;;) loop,
and it looks like cache_node_allocate() fails to get a new node and we
keep spinning.  I need to look some more at what's going on....

-Eric