From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755722AbaD1MmA (ORCPT ); Mon, 28 Apr 2014 08:42:00 -0400 Received: from smtp1.it.da.ut.ee ([193.40.5.66]:57798 "EHLO smtp1.it.da.ut.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752357AbaD1Ml6 (ORCPT ); Mon, 28 Apr 2014 08:41:58 -0400 Date: Mon, 28 Apr 2014 15:41:55 +0300 (EEST) From: Meelis Roos To: David Miller cc: sparclinux@vger.kernel.org, aaro.koskinen@iki.fi, hughd@google.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] Fix several sparc64 THP bugs. In-Reply-To: <20140427.233300.1841871634019126565.davem@davemloft.net> Message-ID: References: <20140425.154337.1159533755150765063.davem@davemloft.net> <20140427.233300.1841871634019126565.davem@davemloft.net> User-Agent: Alpine 1.00 (SOC 882 2007-12-20) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >> Meelis and Aaro, I've found and fixed several THP bugs for sparc64 > >> over the last week or so. > >> > >> I cannot %100 account for the exit_mmap() WARN_ON that you two have > >> been able to trigger, however I'd like you both to test the changes > >> nonetheless. > >> > >> They are against 3.15 but they should apply cleanly all the way back > >> to 3.13 > >> > >> Thanks in advance for testing. > > > > Tried it on Netra X1, Ultra 2 and V100 that were online (applied the > > patches and enabled THP with defaulting to always). > > > > Ultra 2 did not boot up (will see on Monday). When I rebooted it, the hang is not reproducible - Debian dist-upgrade went well. However, it is still strange. -- Meelis Roos (mroos@linux.ee)