From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f173.google.com (mail-ie0-f173.google.com [209.85.223.173]) by kanga.kvack.org (Postfix) with ESMTP id 88C796B0036 for ; Fri, 23 May 2014 09:54:50 -0400 (EDT) Received: by mail-ie0-f173.google.com with SMTP id lx4so5074588iec.18 for ; Fri, 23 May 2014 06:54:50 -0700 (PDT) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id cz7si5405099icc.103.2014.05.23.06.54.49 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 23 May 2014 06:54:49 -0700 (PDT) Message-ID: <537F5320.6070402@oracle.com> Date: Fri, 23 May 2014 09:54:40 -0400 From: Sasha Levin MIME-Version: 1.0 Subject: Re: 3.15.0-rc6: VM_BUG_ON_PAGE(PageTail(page), page) References: <20140522135828.GA24879@redhat.com> <537ECCDB.8080009@oracle.com> <20140523091631.GA4400@node.dhcp.inet.fi> In-Reply-To: <20140523091631.GA4400@node.dhcp.inet.fi> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Dave Jones , Linux Kernel , linux-mm@kvack.org, Linus Torvalds On 05/23/2014 05:16 AM, Kirill A. Shutemov wrote: > On Fri, May 23, 2014 at 12:21:47AM -0400, Sasha Levin wrote: >> On 05/22/2014 09:58 AM, Dave Jones wrote: >>> Not sure if Sasha has already reported this on -next (It's getting hard >>> to keep track of all the VM bugs he's been finding), but I hit this overnight >>> on .15-rc6. First time I've seen this one. >> >> Unfortunately I had to disable transhuge/hugetlb in my testing .config since >> the open issues in -next get hit pretty often, and were unfixed for a while >> now. > > What THP-related is not fixed by now? collapse hung? what else? Besides the collapse hang, we have this: https://lkml.org/lkml/2013/3/29/103 . I know it's not a "real" bug, but DEBUG_PAGEALLOC misbehaving, but it's still something that makes testing difficult. 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