Re: Linux v2.6.18-rc5

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On 29/08/06, Nathan Scott <[email protected]> wrote:
On Mon, Aug 28, 2006 at 12:35:00PM +0200, Jesper Juhl wrote:
> On 28/08/06, Kasper Sandberg <[email protected]> wrote:
> > On Mon, 2006-08-28 at 12:10 +0200, Jesper Juhl wrote:
> > > Not really a regression, more like a long standing bug, but XFS has
> > > issues in 2.6.18-rc* (and earlier kernels, at least post 2.6.11).
> > and you are saying this issue exists in all post .11 kernels?

I would be surprised if this is not a day one bug, it probably
even affects the IRIX version of XFS.  Our problem is the lack
of a test case to find it - my efforts have come to naught so
far.  I'm having to cross my fingers that Jesper can extract a
bit more information when he's next able to hit it.

I'm trying my best, but it's difficult. Often I can only run the -rc
kernel for a few hours on the box that currently shows the problem,
and that's not enough to hit the fault.
I've configured a XFS partition on my home workstation and I'm keeping
that one busy doing various rsync's and running benchmarks etc -
putting as much different stress on the XFS filesystem as I can. I'm
also setting up a test box at work to try and duplicate the problem on
a non-production server. I won't be able to duplicate the setup
exactly, but it'll be close.

> > > See the thread titled "2.6.18-rc3-git3 - XFS - BUG: unable to handle
> > > kernel NULL pointer dereference at virtual address 00000078" for the
> > > full story.

That, and another story - Jesper hijacked that thread ;) - the

Sorry ;)

inital bug there was found and fixed, and the fix has now been
merged.  But (fyi, Kasper) much of that thread is discussing a
different bug to this one.


True. I should have emphasised that.


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Jesper Juhl <[email protected]>
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