On Wed, Jan 15, 2014 at 01:25:49PM +1000, Peter Chubb wrote: > Hi Simon, > When you get a moment, please check out > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=735360 > > Quick summary: > If your kernel is configured to protect the first few pages of > physical memory, then low memory doesn't start at location 0 --- so > when scanning the memory ranges from /proc/iomem, the code in > kexec/arch/i386/kexec-multiboot-x86.c never fills in mem_lower. > > I think it's safe to assume that if a memory segment starts at 64k or > lower, it can be extended to location 0 because of the kernel > protection on a PC99-style architecture. Hi Peter, that approach seems reasonable to me. Could you formally post the patch to the kexec list with me CCed? I would like a Signed-off-by line. Thanks.
