Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756402AbXIIIG5 (ORCPT ); Sun, 9 Sep 2007 04:06:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753203AbXIIIGY (ORCPT ); Sun, 9 Sep 2007 04:06:24 -0400 Received: from cantor.suse.de ([195.135.220.2]:60788 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752644AbXIIIGV (ORCPT ); Sun, 9 Sep 2007 04:06:21 -0400 Message-Id: <20070909080620.681518633@strauss.suse.de> References: <20070909080620.009772613@strauss.suse.de> User-Agent: quilt/0.46-57 Date: Sun, 09 Sep 2007 10:06:22 +0200 From: Bernhard Walle To: kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: [patch 2/3] Express new ELF32 mechanisms in documentation Content-Disposition: inline; filename=crashkernel-elf32 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1686 Lines: 39 This patch reflects the http://git.kernel.org/?p=linux/kernel/git/horms/kexec-tools-testing.git;a=commit;h=b9c3648e690ad0dad12389659673206213a09760 change in kexec-tools-testing also now in the kernel documentation. Signed-off-by: Bernhard Walle --- Documentation/kdump/kdump.txt | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -301,11 +301,13 @@ For ppc64: Notes on loading the dump-capture kernel: * By default, the ELF headers are stored in ELF64 format to support - systems with more than 4GB memory. The --elf32-core-headers option can - be used to force the generation of ELF32 headers. This is necessary - because GDB currently cannot open vmcore files with ELF64 headers on - 32-bit systems. ELF32 headers can be used on non-PAE systems (that is, - less than 4GB of memory). + systems with more than 4GB memory. On i386, kexec automatically checks if + the physical RAM size exceeds the 4 GB limit and if not, uses ELF32. + So, on non-PAE systems, ELF32 is always used. + + The --elf32-core-headers option can be used to force the generation of ELF32 + headers. This is necessary because GDB currently cannot open vmcore files + with ELF64 headers on 32-bit systems. * The "irqpoll" boot parameter reduces driver initialization failures due to shared interrupts in the dump-capture kernel. -- - 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/