Re: 2.6.15-mm1 - locks solid when starting KDE (EDAC errors)

From: Dave Jones
Date: Fri Jan 06 2006 - 19:56:01 EST


On Fri, Jan 06, 2006 at 04:40:12PM -0800, Andrew Morton wrote:
> Dave Jones <davej@xxxxxxxxxx> wrote:
> >
> > On Sat, Jan 07, 2006 at 01:25:22AM +0100, Jesper Juhl wrote:
> > > On 1/6/06, Andrew Morton <akpm@xxxxxxxx> wrote:
> > > > Jesper Juhl <jesper.juhl@xxxxxxxxx> wrote:
> > > >
> > > > > Reverted that one patch, then rebuild/reinstalled the kernel
> > > > > (with the same .config) and booted it - no change. It still locks up
> > > > > in the exact same spot.
> > > > > X starts & runs fine (sort of) since I can play around at the kdm
> > > > > login screen all I want, it's only once I actually login and KDE
> > > > > proper starts that it locks up.
> > > >
> > > > Oh bugger. No serial console/netconsole or such?
> > > >
> > > > Or are you able log in and then quickly do the alt-ctrl-F1 thing, see if we
> > > > get an oops?
> > > >
> > > I switched to tty1 right after logging in, and after a few seconds
> > > (corresponding pretty well with the time it takes to hit the same spot
> > > where it crashed all previous times) I got a lot of nice crash info
> > > scrolling by.
> > > Actually a *lot* scrolled by, a rough guestimate says some 4-6 (maybe
> > > more) screens scrolled by, and since the box locks up solid I couldn't
> > > scroll up to get at the initial parts :( So all I have for you is the
> > > final block - hand copied from the screen using pen and paper
> > > ...
> > > It never makes it to the logs, and as mentioned previously I don't
> > > have another machine to capture on via netconsole or serial, so if you
> > > have any good ideas as to how to capture it all, then I'm all ears.
> >
> > If only someone did a patch to pause the text output after the first oops..
> >
> > Oh wait! Someone did!
> >
>
> umm, it'd be more helpful if you'd actually sent the patch so Jesper could
> apply it so we can find this bug.
>
> I think I did one of those too. It required a new kernel boot option
> `halt-after-oops' or some such. Sounds like a good idea?

I thought Jesper had made a comment in that thread, so was aware of it.
Looking at the archive, I see was mistaken.

Jesper: http://lkml.org/lkml/2006/1/4/534
(unmunged diff is at http://lkml.org/lkml/diff/2006/1/4/534/1)

Dave

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