Re: XFS filesystem corruption on the arm(el) architecture

From: Martin Michlmayr
Date: Fri Oct 17 2008 - 03:01:50 EST

* Eric Sandeen <sandeen@xxxxxxxxxxx> [2008-10-16 17:13]:
> So is this a regression? did it used to work? If so, when? :)

The original report was with 2.6.18 but that was with the old ABI:
I just installed a 2.6.22 kernel with EABI and I can also trigger
the bug. So it's not a (recent) regression.

> What's a little odd is that the buffer it dumped out looks like the
> beginning of a perfectly valid superblock for your filesystem
> (magic, block size, and block count all match). If you printk the
> "bno" variable right around line 2106 in xfs_da_btree.c, can you see
> what you get?

bno is 0.

> creating an xfs_metadump of the filesystem for examination on a
> non-arm box might also be interesting.
(11 MB)
Martin Michlmayr
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