Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)

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To: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>
Subject: Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
From: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Date: Tue, 16 Feb 2016 19:46:03 +0100
Cc: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>, Andrea Arcangeli <aarcange@xxxxxxxxxx>, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, linux-s390@xxxxxxxxxxxxxxx
In-reply-to: <20160215213526.GA9766@node.shutemov.name>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0

On 02/15/2016 10:35 PM, Kirill A. Shutemov wrote:
> 
> Is there any chance that I'll be able to trigger the bug using QEMU?
> Does anybody have an QEMU image I can use?

qemu/TCG on s390 does neither provide SMP nor large pages (only QEMU/KVM does)
so this will probably not help you here. 

Christian

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References:
- [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Gerald Schaefer
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Kirill A. Shutemov
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Gerald Schaefer
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Kirill A. Shutemov
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Christian Borntraeger
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Gerald Schaefer
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Kirill A. Shutemov
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Sebastian Ott
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Kirill A. Shutemov
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Gerald Schaefer
- Re: [BUG] random kernel crashes after THP rework on s390 (maybe also on PowerPC and ARM)
  - From: Kirill A. Shutemov

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