On 11/13/2013 02:45 PM, jerry.hoem...@hp.com wrote:
>
> The changes in 3.9 to allow crash kernel to be allocated high helps.
> But as you say, the default is still to allocate crash kernel low and
> still susceptible to this problem. So, a kdump expert can work around it.
> But, not everyone is a kdump expert.
>
> So, we can work to change the default, or encourage the distros
> to always allocate high. Or, we change the call to efi_reserve_boot_services
> not apply to all platforms.
>
> The problems for pre 3.9 based distros is worse as they don't have
> ability to allocate crash kernel high.
>
But they won't have your new option, either, and that is still horribly
manual and system-dependent.
In other words, allocating the crashkernel high has ALL the advantages,
plus a few more, and NONE of the disadvantages.
-hpa
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