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[xfs-masters] Re: filesystem corruption on xfs after 2.6.25-rc1 (bisecte

To: Gaudenz Steinlin <gaudenz@xxxxxxxxxxxxx>
Subject: [xfs-masters] Re: filesystem corruption on xfs after 2.6.25-rc1 (bisected, powerpc related?)
From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date: Mon, 25 Feb 2008 12:34:27 +0100
Cc: xfs-masters@xxxxxxxxxxx, xfs@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20080225112310.GA5516@xxxxxxxxxxxxx>
References: <20080225112310.GA5516@xxxxxxxxxxxxx>
Reply-to: xfs-masters@xxxxxxxxxxx
Sender: xfs-masters-bounce@xxxxxxxxxxx
Hi,
> Git reset is just the easiest way to reproduce it.

Interesting :)

> I was able to track this corruption down to commit
> a69b176df246d59626e6a9c640b44c0921fa4566 ([XFS] Use the generic bitops
> rather than implementing them ourselves.) using git bisect.
> 
> Reverting edd319dc527733e61eec5bdc9ce20c94634b6482 ([XFS] Fix
> xfs_lowbit64) to avoid merge conflicts and the faulty commit on top of
> 2.6.25-rc3 fixes the problem.

Odd. The replaced code doesn't look like it has any sort of endianness
assumptions.

> My filesystem is on an LVM2 logical volume and my computer is a
> PowerBook G4 (model 5,8). I'm using GCC 4.2.3.
> 
> My problem is similar to the problem Johannes Berg reported in:
> http://oss.sgi.com/archives/xfs/2008-02/msg00244.html
> 
> AFAIK Johannes also uses a PowerBook.

Indeed, I do, forgot to mention that, thanks for copying me.

johannes

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