From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx168.postini.com [74.125.245.168]) by kanga.kvack.org (Postfix) with SMTP id 5A7806B0062 for ; Tue, 19 Jun 2012 02:09:53 -0400 (EDT) Received: from /spool/local by e9.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 19 Jun 2012 02:09:51 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 4499C6E804A for ; Tue, 19 Jun 2012 02:09:49 -0400 (EDT) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q5J69ma8152932 for ; Tue, 19 Jun 2012 02:09:48 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q5J69mZG018880 for ; Tue, 19 Jun 2012 02:09:48 -0400 Date: Tue, 19 Jun 2012 14:09:45 +0800 From: Gavin Shan Subject: Re: Early boot panic on machine with lots of memory Message-ID: <20120619060945.GA8724@shangw> Reply-To: Gavin Shan References: <1339623535.3321.4.camel@lappy> <20120614032005.GC3766@dhcp-172-17-108-109.mtv.corp.google.com> <1339667440.3321.7.camel@lappy> <20120618223203.GE32733@google.com> <1340059850.3416.3.camel@lappy> <20120619041154.GA28651@shangw> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Yinghai Lu Cc: Gavin Shan , Sasha Levin , Tejun Heo , Andrew Morton , David Miller , hpa@linux.intel.com, linux-mm , "linux-kernel@vger.kernel.org" >> : >> [ 0.000000] memblock_free: [0x0000102febc080-0x0000102febf080] memblock_free_reserved_regions+0x37/0x39 >> >> Here, [0x0000102febc080-0x0000102febf080] was released to available memory block >> by function free_low_memory_core_early(). I'm not sure the release memblock might >> be taken by bootmem, but I think it's worthy to have a try of removing following >> 2 lines: memblock_free_reserved_regions() and memblock_reserve_reserved_regions() > >if it was taken, should have print out about that. > Yinghai, it's possible the memory block returned to bootmem and get used/corrupted by other CPU cores? Thanks, Gavin -- 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