Re: [PATCH v2 1/2] mm: uninitialized struct page poisoning sanity checking

From: Sasha Levin
Date: Thu Mar 15 2018 - 16:43:22 EST


On Thu, Mar 15, 2018 at 03:04:30PM -0400, Pavel Tatashin wrote:
>>
>> Attached the config. It just happens on boot.
>
>Hi Sasha,
>
>I have tried unsuccessfully to reproduce the bug in qemu with 20G RAM,
>and 8 CPUs.
>
>Patch "mm: uninitialized struct page poisoning sanity" should be improved
>to make dump_page() to detect poisoned struct page, and simply print hex
>in such case. I will send an updated patch later.
>
>How do you run this on Microsoft hypervisor? Do I need Windows 10 for
>that?

Booting a Linux VM on Azure would be the easiest, and free too :)

>BTW, I am going to be on vacation for the next two week (going to Israel),
>so I may not be able to response quickly.

Have fun!

We may need to hold off on getting this patch merged for the time being.

--

Thanks,
Sasha