From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by kanga.kvack.org (Postfix) with ESMTP id 3609D6B0069 for ; Wed, 15 Oct 2014 14:36:29 -0400 (EDT) Received: by mail-pd0-f174.google.com with SMTP id y13so1700972pdi.19 for ; Wed, 15 Oct 2014 11:36:28 -0700 (PDT) Received: from shards.monkeyblade.net (shards.monkeyblade.net. [2001:4f8:3:36:211:85ff:fe63:a549]) by mx.google.com with ESMTP id xi4si14035705pab.67.2014.10.15.11.36.28 for ; Wed, 15 Oct 2014 11:36:28 -0700 (PDT) Date: Wed, 15 Oct 2014 14:36:24 -0400 (EDT) Message-Id: <20141015.143624.941838991598108211.davem@davemloft.net> Subject: Re: unaligned accesses in SLAB etc. From: David Miller In-Reply-To: References: <20141014.173246.921084057467310731.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: 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 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, 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