Re: [RFC v2 0/2] Early use of boot service memory

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On Thu, Nov 21, 2013 at 5:25 PM,  <jerry.hoemann@xxxxxx> wrote:
> On Thu, Nov 21, 2013 at 05:12:57PM -0800, H. Peter Anvin wrote:
>
> Large systems w/ lots of IO require large crash kernel allocations for
> the kernel to boot.  Then you have to worry about the OOM killer.....

so go with crashkernel=1024M,high.

>
> makedumpfile going to cyclic buffer has helped out greatly, but on
> our new systems we're still looking at 512 MB crash kernels.

I tried 6TiB system/16 PCIE cards, kdump on RHEL 6.5 beta still does not work.
still get OOM.

Thanks

Yinghai
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