Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753687Ab2FSGJz (ORCPT ); Tue, 19 Jun 2012 02:09:55 -0400 Received: from e1.ny.us.ibm.com ([32.97.182.141]:38134 "EHLO e1.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753345Ab2FSGJy (ORCPT ); Tue, 19 Jun 2012 02:09:54 -0400 Date: Tue, 19 Jun 2012 14:09:45 +0800 From: Gavin Shan 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" 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: User-Agent: Mutt/1.5.21 (2010-09-15) X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12061906-6078-0000-0000-00000C3F6B14 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 22 >> : >> [ ? ?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 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/