On Thu, 05 Jan 2006 03:15:20 -0800, Dave Jones <[email protected]> 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.
Nevertheless, there are more instances of the bug in recent versions.
For me, version 2.6.10 or 2.6.11 seems to be the big difference, from
1 bug monthly to --suddenly-- 4 weekly.
I'm experiecing that problem too. I have notice that sometimes
"bad_page_state" trigger before the BUG is reported.
http://lkml.org/lkml/2005/12/14/449
I have already installed the instrumentation Dave provided. I'll see how
it goes.
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