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Date:   Thu, 30 Aug 2018 22:55:27 +0200
From:   Joerg Roedel <>
To:     Meelis Roos <>
Cc:     Linux Kernel list <>,, Thomas Gleixner <>
Subject: Re: 32-bit PTI with THP = userspace corruption

Hi Meelis,

On Thu, Aug 30, 2018 at 09:09:19PM +0300, Meelis Roos wrote:
> I am seeing userland corruption and application crashes on multiple 
> 32-bit machines with 4.19-rc1+git. The machines vary: PII, PIII, P4. 
> They are all Intel. AMD Duron/Athlon/AthlonMP have been fine in my tests 
> so far (may be configuration dependent).

Thanks for the report! I'll try to reproduce the problem tomorrow and
investigate it. Can you please check if any of the kernel configurations
that show the bug has CONFIG_X86_PAE set? If not, can you please test
if enabling this option still triggers the problem?



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