> On Wed, 11 Jun 2008 23:34:49 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
>
> > On Wed, 11 Jun 2008 22:13:24 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > > Running current mainline on my old 2-way PIII. Distro is RH FC1. LTP
> > > version is ltp-full-20070228 (lots of retro-computing there).
> > >
> > > Config is at
http://userweb.kernel.org/~akpm/config-vmm.txt
> > >
> > >
> > > ./testcases/bin/msgctl08 crashes after ten minutes or so:
> >
> > ah, it runs to completion in about ten seconds on 2.6.25, so it'll be
> > easy for someone to bisect it.
> >
> > What's that? Sigh. OK. I wasn't doing anything much anyway.
>
> Oh drat. git-bisect tells me that this one-year-old msgctl08's
> execution time vastly increased when we added
>
> commit f7bf3df8be72d98afa84f5ff183e14c1ba1e560d
> Author: Nadia Derbey <Nadia.Derbey@bull.net>
> Date: Tue Apr 29 01:00:39 2008 -0700
>
> ipc: scale msgmni to the amount of lowmem
>
>
> But we already knew that, and LTP got changed to fix it.
>
> So I was wrong in assuming that the long-execution-time correlates with
> the slab-corruption bug.
>
> And the slab corruption bug takes half an hour to reproduce and an
> unknown amount of time to not-reproduce. I don't think I'll be able to
> complete this before I disappear for over a week.
>
