Re: bad pmd filemap.c, oops; 2.4.30 and 2.4.32

[Chris Stromsoe <cbs@cts.ucla.edu>]

On Sun, 15 Jan 2006, Willy Tarreau wrote:
> On Sun, Jan 15, 2006 at 03:29:15AM -0800, Chris Stromsoe wrote:
> > I've been running stable with the propsed changes since the 10th.  The 
> > original config and the currently running config are both at 
> > <http://hashbrown.cts.ucla.edu/pub/oops-200512/>.  This is the diff:
> > cbs@hashbrown:~ > diff config-2.4.32 config-2.4.32-20060115
> >
> > 65c65
> > < CONFIG_HIGHIO=y
> > ---
> > > # CONFIG_HIGHIO is not set
> I wonder if this change could be suspected of affecting stability. With 
> this unset, data will be sent from the card to low memory, then bounced 
> to high mem when needed. Maybe the card, northbridge or anything else 
> sometimes corrupts memory during direct highmem I/O from PCI ? :-/
I'll let it run for another week as it is. If it would be useful 
information, I can switch CONFIG_HIGHIO back to =y and let that kernel run 
for a while.  Otherwise, I'll probably switch permanently to 2.6.

-Chris
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