From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753283Ab3DVVTz (ORCPT ); Mon, 22 Apr 2013 17:19:55 -0400 Received: from smtp2.it.da.ut.ee ([193.40.5.67]:46759 "EHLO smtp2.it.da.ut.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751781Ab3DVVTy (ORCPT ); Mon, 22 Apr 2013 17:19:54 -0400 Date: Tue, 23 Apr 2013 00:19:49 +0300 (EEST) From: Meelis Roos To: David Miller cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org Subject: Re: sparc64, mm BUG in 3.9-rc8 In-Reply-To: <20130422.152741.652969183920758931.davem@davemloft.net> Message-ID: References: <20130422.152741.652969183920758931.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 > > Hello, I got a non-booting Sun E420R (sparc64) with 3.9-rc8: BUG-s in > > mm/slub.c:925 and mm/memory.c:1267 (the latter keeps scrolling until > > other things break and panic comes from trying to kill init). This is > > reproducible. Same machine runs 3.9.0-rc7-00004-gbb33db7 successfully. > > Configuration is below. > > It's certainly a bug in the TLB shootdown fix, please verify that > reverting the following fixes things: > > >From f36391d2790d04993f48da6a45810033a2cdf847 Mon Sep 17 00:00:00 2001 > From: "David S. Miller" > Date: Fri, 19 Apr 2013 17:26:26 -0400 > Subject: [PATCH] sparc64: Fix race in TLB batch processing. Yes, reverting that makes it work again. -- Meelis Roos (mroos@linux.ee)