Return-path: Received: from cantor.suse.de ([195.135.220.2] helo=mx1.suse.de) by pentafluge.infradead.org with esmtps (Exim 4.63 #1 (Red Hat Linux)) id 1IUHoQ-0006NC-K9 for kexec@lists.infradead.org; Sun, 09 Sep 2007 09:06:37 +0100 Message-Id: <20070909080620.681518633@strauss.suse.de> References: <20070909080620.009772613@strauss.suse.de> Date: Sun, 09 Sep 2007 10:06:22 +0200 From: Bernhard Walle Subject: [patch 2/3] Express new ELF32 mechanisms in documentation Content-Disposition: inline; filename=crashkernel-elf32 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org+dwmw2=infradead.org@lists.infradead.org To: kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org 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. -- _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec