On Mon, Mar 24, 2008 at 10:18 AM, Mike Snitzer <snitzer at gmail.com> wrote: > > On Mon, Mar 24, 2008 at 4:29 AM, Simon Horman <horms at verge.net.au> wrote: > > > > On Fri, Mar 21, 2008 at 02:32:36PM +0900, Simon Horman wrote: > > > On Wed, Mar 19, 2008 at 02:05:46AM -0400, Mike Snitzer wrote: > > > > I'm building a x86_64 2.6.22 kernel with the following options set: > > > > > > > > CONFIG_KEXEC=y > > > > CONFIG_CRASH_DUMP=y > > > > CONFIG_RELOCATABLE=y > > > > CONFIG_PHYSICAL_START=0x200000 > > > > > > > > If I try to load the kernel with the following I get: > > > > > > > > ./kexec --args-linux -p '--command-line=ro root=LABEL=/1 rhgb quiet > > > > irqpoll maxcpus=1' --initrd=/boot/initrd-2.6.22.19.img > > > > /boot/vmlinuz-2.6.22.19 > > > > > > > > ./kexec: unrecognized option `--args-linux' > > > > kexec-tools-testing 20080318-rc released 18th March 2008 > > > > Usage: kexec [OPTION]... [kernel] > > > > ... > > > > Cannot load /boot/vmlinuz-2.6.22.19 > > > > > > Hi Mike, > > > > > > that looks a lot like a problem with kexec-tools parsing command line > > > arguments to me. However I'm not having much luck reproducing it here. > > > I'll poke a bit more. > > > > > > Did you get kexec-tools-testing 20080318-rc as a tarball from > > > kernel.org? I just want to make sure we are looking at the same code. > > > > Sorry for being a bit slow, I have managed to reproduce the problem, > > which is that --args-linux can't be used if the image is a bzImage. > > Could you try with a vmlinux image instead? > > Interesting, makes sense. > > Sure enough RedHat's image is a "ELF 64-bit LSB shared object" and a > vmlinux is "ELF 64-bit LSB executable". > > I wonder how RedHat gets their kernel image to be an ELF image? RedHat includes the following (which never made it upstream): http://lkml.org/lkml/2006/8/14/203
