From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 26B216B025E for ; Thu, 6 Oct 2016 10:02:22 -0400 (EDT) Received: by mail-wm0-f71.google.com with SMTP id j85so523746wmj.5 for ; Thu, 06 Oct 2016 07:02:22 -0700 (PDT) Received: from arcturus.aphlor.org (arcturus.ipv6.aphlor.org. [2a03:9800:10:4a::2]) by mx.google.com with ESMTPS id n8si17032192wju.259.2016.10.06.07.02.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Oct 2016 07:02:20 -0700 (PDT) Date: Thu, 6 Oct 2016 10:02:17 -0400 From: Dave Jones Subject: Re: page_cache_tree_insert WARN_ON hit on 4.8+ Message-ID: <20161006140217.a7hsj3lzu5v3v6ig@codemonkey.org.uk> References: <20161004170955.n25polpcsotmwcdq@codemonkey.org.uk> <20161004173425.GA1223@cmpxchg.org> <20161004174645.urwwmvgibabaokjn@codemonkey.org.uk> <20161006134145.GA13177@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161006134145.GA13177@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Linux Kernel , linux-mm@kvack.org On Thu, Oct 06, 2016 at 03:41:45PM +0200, Johannes Weiner wrote: > On Tue, Oct 04, 2016 at 01:46:45PM -0400, Dave Jones wrote: > > On Tue, Oct 04, 2016 at 07:34:25PM +0200, Johannes Weiner wrote: > > > On Tue, Oct 04, 2016 at 01:09:55PM -0400, Dave Jones wrote: > > > > Hit this during a trinity run. > > > > Kernel built from v4.8-1558-g21f54ddae449 > > > > > > > > WARNING: CPU: 0 PID: 5670 at ./include/linux/swap.h:276 page_cache_tree_insert+0x198/0x1b0 > > To tie up this thread, we tracked it down in another thread and Linus > merged a fix for this: > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3798ae8c6f3767c726403c2ca6ecc317752c9dd Yep, can confirm I've seen no reoccurrences since that merge. Dave -- 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