ext4 and unexpected eh_depth

[Eric Sandeen]

Markus Peuhkuri wrote:
> Hi, I'm running Debian lenny with linux-image-2.6.26-1-amd64  (deb
> 2.6.26-11).  I have a lvm stripe over three sata disks (3.5TB total)
> that is shared over NFS, and I getting following errors
> 
> EXT4-fs error (device dm-0): ext4_ext_search_right: bad header in inode #269200: unexpected eh_depth - magic f30a,entries 18, max 340(0), depth 1(2)
> 
> An user is having errors in concatenating large files (100+GB): basicly seems that the the resulting file is right size
> and ends with right data, but anyway he gets following error: 
> cat: write error: Input/output error
> on system that has imported partition over NFS. I'm not sure if the file he was accessing did had the same inode.

...

If you are still seeing this, the patch at:

http://bugzilla.kernel.org/show_bug.cgi?id=12821#c8

may resolve it, if you're willing to test.

Thanks,

-Eric