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Date: Mon, 15 Feb 2016 17:38:43 +0100 (CET)
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>,
 Andrea Arcangeli <aarcange@redhat.com>,
 Christian Borntraeger <borntraeger@de.ibm.com>,
 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
 linux-mm@kvack.org, linux-kernel@vger.kernel.org,
 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
 Andrew Morton <akpm@linux-foundation.org>,
 Linus Torvalds <torvalds@linux-foundation.org>,
 Michael Ellerman <mpe@ellerman.id.au>,
 Benjamin Herrenschmidt <benh@kernel.crashing.org>,
 Paul Mackerras <paulus@samba.org>, linuxppc-dev@lists.ozlabs.org,
 Catalin Marinas <catalin.marinas@arm.com>,
 Will Deacon <will.deacon@arm.com>, linux-arm-kernel@lists.infradead.org,
 Martin Schwidefsky <schwidefsky@de.ibm.com>,
 Heiko Carstens <heiko.carstens@de.ibm.com>, linux-s390@vger.kernel.org
Subject: Re: [BUG] random kernel crashes after THP rework on s390 (maybe also
 on PowerPC and ARM)
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On Mon, 15 Feb 2016, Kirill A. Shutemov wrote:
> > [   59.851421] list_del corruption. next->prev should be 000000006e1eb000, but was 0000000000000400
> 
> This kinda interesting: 0x400 is TAIL_MAPPING.. Hm..
> 
> Could you check if you see the problem on commit 1c290f642101 and its
> immediate parent?

Both 1c290f642101 and 1c290f642101^ survived 20 compile runs each.

Sebastian