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SubjectRe: Memory hotplug softlock issue
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On 15.11.18 10:52, Baoquan He wrote:
> On 11/15/18 at 10:42am, David Hildenbrand wrote:
>> I am wondering why it is always the last memory block of that device
>> (and even that node). Coincidence?
>
> I remember one or two times it's the last 6G or 4G which stall there,
> the size of memory block is 2G. But most of time it's the last memory
> block. And from the debug printing added by Michal's patch, it's the
> stress program itself which owns the migrating page and loop forvever
> there.
>

Alright, seems like you found a very good reproducer for an existing
problem :)

--

Thanks,

David / dhildenb

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