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From: Steven Cole <elenstev@mesatop.com>
To: Andrew Morton <akpm@osdl.org>
Subject: Re: 1352 NUL bytes at the end of a page? (was Re: Assertion `s && s->tree' failed: The saga continues.)
Date: Sun, 16 May 2004 16:11:16 -0600
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On Sunday 16 May 2004 03:29 pm, Andrew Morton wrote:
> Steven Cole <elenstev@mesatop.com> wrote:
> >
> > Anyway, although the regression for my particular machine for this
> >  particular load may be interesting, the good news is that I've seen
> >  none of the failures which started this whole thread, which are relatively
> >  easily reproduceable with PREEMPT set.  
> 
> So...  would it be correct to say that with CONFIG_PREEMPT, ppp or its
> underlying driver stack
> 
> a) screws up the connection and hangs and
> 
> b) scribbles on pagecache?
> 
> Because if so, the same will probably happen on SMP.
> 
Perhaps someone has the hardware to test this.

To summarize my experience with the past 24 hours of testing:
Without PREEMPT , everything is rock solid. 

I may have a window of time later this evening to continue testing,
and I (cringes at the thought) may repeat some bk pulls with
PREEMPT set.

Later,
Steven