From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f171.google.com (mail-ob0-f171.google.com [209.85.214.171]) by kanga.kvack.org (Postfix) with ESMTP id 16D4F6B0031 for ; Wed, 11 Dec 2013 10:54:59 -0500 (EST) Received: by mail-ob0-f171.google.com with SMTP id wp18so7163085obc.16 for ; Wed, 11 Dec 2013 07:54:58 -0800 (PST) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id pp9si13802094obc.24.2013.12.11.07.54.57 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 11 Dec 2013 07:54:58 -0800 (PST) Message-ID: <52A88ACC.4030103@oracle.com> Date: Wed, 11 Dec 2013 10:54:52 -0500 From: Sasha Levin MIME-Version: 1.0 Subject: Re: oops in pgtable_trans_huge_withdraw References: <20131206210254.GA7962@redhat.com> <52A8877A.10209@suse.cz> In-Reply-To: <52A8877A.10209@suse.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Vlastimil Babka , Dave Jones , Linux Kernel , linux-mm@kvack.org, kirill.shutemov@linux.intel.com On 12/11/2013 10:40 AM, 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? > kernel was linux-next-20131209 > I was running trinity -c mmap -c munmap -c mremap -c remap_file_pages -c mlock -c munlock > > Now I'm running with Kirill's patch, will post results later. > > My goal was to reproduce Sasha Levin's BUG in munlock_vma_pages_range > https://lkml.org/lkml/2013/12/7/130 > > Perhaps it could be related as well. > Sasha, do you know at which commit your trinity clone was at? Didn't think those two were related. I've hit this one when I've started fuzzing too, but Kirill's patch solved it - so I've mostly ignored it. Trinity is usually pulled and updated before testing, so it's at whatever the latest Dave has pushed. Thanks, Sasha -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org