Kexec on arm64

[Geoff Levand]

Hi Arun,

On Tue, 2014-07-22 at 15:14 +0530, Arun Chandran wrote:
> # kexec -e

Please use 'kexec -d -e' here to get debug output.

> kexec version: 1kvm: exiting hardware virtualization
> 4.07.17.12.17-gbStarting new kernel
> 6cccb4
>  Ump_spin_tanblaeb_lcpeu_d ite:127: oi dh:a n7d,l holding count: 0e
>  kernel NULL pointer dereference at virtual address 00000291
> smp_spin_Itnaibtlei_cpaul_diie:12z7:i nigd :c 3g,r oholding couunpt :s 0u

It is hard to read this, please send the various outputs to different
streams.

> I think some of the secondary CPUs are not behaving as expected;
> As of now I don't have any clues for this.

I guess the cpu-return-addr is not correct.  Try setting cpu-return-addr
to <0x0 0x1>.  This will spin secondaries in secondary_holding_pen.

-Geoff