Re: mm/rmap.c negative page map count BUG.

From: Arjan van de Ven
Date: Thu Jan 05 2006 - 06:17:44 EST


On Thu, 2006-01-05 at 06:15 -0500, Dave Jones wrote:
> On Thu, Jan 05, 2006 at 09:11:51AM +0100, Arjan van de Ven wrote:
> >
> > > Quite a few Fedora users have hit it over the last year,
> > > but what I find fascinating is that there's not a single
> > > occurance of "BUG at mm/rmap.c" in our 2.6.9 based RHEL4 bug reports.
> >
> > could mean it's caused by consumer hardware code...
>
> Yeah. People buying enterprise distros do tend to buy branded RAM
> with goodies like ECC from big name suppliers instead of a cheap $20
> noname DIMM from "Joe's computers".
>
> So it *could* be a lot of these are crappy hardware, especially
> as some of the reports do indicate that the problem went away
> when they upgraded their RAM. Some of the others though, I'm
> not so sure.

it could also be some consumer-mostly device, or driver thereof. say
video capture or weird usb gizmo

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