Re: [PATCH v4 4/4] Use 2GB memory block size on large-memory x86-64 systems

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On Mon, Aug 24, 2015 at 2:25 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:

> Can you boot with "debug ignore_loglevel" so we can see following print out
> for vmemmap?

See attached. There are a few extra messages from my own debug printk()
calls. It seems that we successfully deal with node 0 from topology_init()
but die walking node 1. I see that the NODE_DATA limits for memory
on node 1 were from 1d70000 to 3a00000. But when we get into
register_mem_sect_under_node() we have rounded the start pfn down to
1d00000 ... and we panic processing that range (which is in a hole in e820).

We seem to die here:

        for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) {
                int page_nid;

                page_nid = get_nid_for_pfn(pfn);

-Tony

Attachment: dmesg2
Description: Binary data


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