Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751474AbaJOSga (ORCPT ); Wed, 15 Oct 2014 14:36:30 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:53256 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751116AbaJOSg2 (ORCPT ); Wed, 15 Oct 2014 14:36:28 -0400 Date: Wed, 15 Oct 2014 14:36:24 -0400 (EDT) Message-Id: <20141015.143624.941838991598108211.davem@davemloft.net> To: mroos@linux.ee Cc: iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, akpm@linux-foundation.org, linux-mm@kvack.org, sparclinux@vger.kernel.org Subject: Re: unaligned accesses in SLAB etc. From: David Miller In-Reply-To: References: <20141014.173246.921084057467310731.davem@davemloft.net> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (shards.monkeyblade.net [149.20.54.216]); Wed, 15 Oct 2014 11:36:27 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Meelis Roos Date: Wed, 15 Oct 2014 11:04:49 +0300 (EEST) >> > My only other current sparc64 problems that I am seeing - V210/V440 die >> > during bootup if compiled with gcc 4.9 and V480 dies with FATAL >> > exceptions during bootups since previous kernel release. Maybe also >> > exit_mmap warning - I do not know if they have been fixed, I see them >> > rarely. >> >> The gcc-4.9 case is interesting, are you saying that a gcc-4.9 compiled >> kernel works fine on other systems? > > Yes, all USII based systems work fine with Debian gcc-4.9, as does > T2000. Of USIII* systems, V210 and V440 exhibit the boot hang with > gcc-4.9 and V480 crashes wit FATAL exception during boot that is > probably earlier than the gcc boot hang so I do not know about V480 and > gcc-4.9. V240 not tested because of fan failures, V245 is in the queue > for setup but not tested so far. Ok, on the V210/V440 can you boot with "-p" on the kernel boot command line and post the log? Let's start by seeing how far it gets, maybe we can figure out roughly where it dies. A boot hang should be relatively easy to diagnose and pinpoint. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/