Re: [2.6.27] overlapping early reservations [was: early exception- lockdep related?]

[H. Peter Anvin]

Peter Zijlstra wrote:
> On Fri, 2008-09-05 at 21:17 +0200, Luca Tettamanti wrote:
> > On Thu, Sep 4, 2008 at 10:51 PM, Luca Tettamanti <kronos.it@xxxxxxxxx> wrote:
> > > On Thu, Sep 4, 2008 at 4:25 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > > > Sadly your config just boots, albeit not to userspace due to missing
> > > > drivers.
> > > Yes, I managed to boot it with qemu... I tried kgdb - without luck -
> > > kernel dies too early.
> > > I also managed to get a stack trace :D
> > >
> > > http://img151.imageshack.us/my.php?image=tracedm1.jpg
> > >
> > > It seems that lockdep is an innocent bystander... the kernel died with
> > > panic() in __reserve_early, and then took another exception while
> > > printing the panic (I guess).
> > > Will add further debug stuff to see wtf is going on.
> > Hum, kernel says:
> >
> > http://img177.imageshack.us/my.php?image=overlappingus2.jpg
> >
> > Overlapping early reservations b98000-eff266 RAMDISK to 200000-d09cf7
> > TEXT DATA BSS
> >
> > It would appear that the initramfs is overlapping the kernel itself,
> > is the boot loader (LILO) doing something stupid?
>
> Suppose it is, lets ask hpa..

It definitely looks like it.

	-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/