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SubjectRe: kexec fail
On Jan 8, 2008 12:15 AM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
>
> On Jan 7, 2008 9:50 PM, Christoph Lameter <clameter@sgi.com> wrote:
> > On Mon, 7 Jan 2008, Yinghai Lu wrote:
> >
> > > try to kexec 2.6.23 from RHEL 5.1, will get
> > > Your BIOS doesn't leave a aperture memory hole
> > > Please enable the IOMMU option in the BIOS setup
> > > This costs you 64 MB of RAM ======> reboot
> > >
> > > but 2.6.24-rc7 kexec 2.6.24-rc7 is ok.
> >
> > BUG in 2.6.23 kexec?
> >
> >
>
> yeah, that is more worse. it will cause reboot.
>

change mem model from CONFIG_SPARSEMEM_MANUL to
CONFIG_DISCONTIGMEM_MANUAL it will work.

YH


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