Re: Linux v2.6.18-rc5

["Jesper Juhl" <jesper.juhl@gmail.com>]

On 30/08/06, Jesper Juhl <jesper.juhl@gmail.com> wrote:
> On 30/08/06, Kasper Sandberg <lkml@metanurb.dk> wrote:
> > On Tue, 2006-08-29 at 01:30 +0200, Jesper Juhl wrote:
> > > On 29/08/06, Nathan Scott <nathans@sgi.com> wrote:
> > > > On Mon, Aug 28, 2006 at 12:35:00PM +0200, Jesper Juhl wrote:
> > > > > On 28/08/06, Kasper Sandberg <lkml@metanurb.dk> 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.
> >
> > i have nyself tested xfs in -rc5 now, doing rsync over and over, and
> > been unable to hit any problem, it indeed seems very hard to reproduce.
> >
> Just in case I have not mentioned it before; the box I'm seeing the
> problem on is a dual 3.2GHz Xeon and the kernel is compiled for SMP.
> might be relevant, might not be...
Small correction: The CPU is a single 3.2GHz Xeon with HT. Not two
physical cores.
I should probably also mention that the 2.6.11.11 kernel that runs
stable on the server is compiled for UP, not SMP.

--
Jesper Juhl <jesper.juhl@gmail.com>
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