From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Dave Jones <davej@redhat.com>, akpm@linux-foundation.org
Cc: Vlastimil Babka <vbabka@suse.cz>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, kirill.shutemov@linux.intel.com,
Sasha Levin <sasha.levin@oracle.com>
Subject: Re: oops in pgtable_trans_huge_withdraw
Date: Thu, 12 Dec 2013 02:24:22 +0200 (EET) [thread overview]
Message-ID: <20131212002422.98262E0090@blue.fi.intel.com> (raw)
In-Reply-To: <20131211163809.GA26342@redhat.com>
Dave Jones wrote:
> On Wed, Dec 11, 2013 at 04:40:42PM +0100, Vlastimil Babka wrote:
> > On 12/06/2013 10:02 PM, Dave Jones wrote:
> > > I've spent a few days enhancing trinity's use of mmap's, trying to make it
> > > reproduce https://lkml.org/lkml/2013/12/4/499
> >
> > FYI, I managed to reproduce that using trinity today,
> > trinity was from git at commit e8912cc which is from Dec 09 so I guess
> > your enhancements were already there?
>
> yep, everything I had pending is in HEAD now.
>
> > kernel was linux-next-20131209
> > I was running trinity -c mmap -c munmap -c mremap -c remap_file_pages -c
> > mlock -c munlock
>
> A shorthand for all those -c's is '-G vm'. (Though there might be a couple
> extra syscalls in the list too, madvise, mprotect etc).
>
> > Now I'm running with Kirill's patch, will post results later.
>
> Seemed to fix it for me, I've not reproduced that particular bug since applying it.
> Kirill, is that on its way to Linus soon ?
It's in -mm tree for a week already.
Andrew, could you push it to Linus? More people steps on the bug.
--
Kirill A. Shutemov
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prev parent reply other threads:[~2013-12-12 0:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-06 21:02 oops in pgtable_trans_huge_withdraw Dave Jones
2013-12-06 21:21 ` Dave Jones
2013-12-07 8:21 ` Kirill A. Shutemov
2013-12-09 15:42 ` Dave Jones
2013-12-11 15:40 ` Vlastimil Babka
2013-12-11 15:54 ` Sasha Levin
2013-12-11 19:59 ` Sasha Levin
2013-12-11 16:38 ` Dave Jones
2013-12-12 0:24 ` Kirill A. Shutemov [this message]
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