On 10/03/11 23:53, McClintock Matthew-B29882 wrote: > On Mon, Oct 3, 2011 at 5:18 AM, Suzuki K. Poulose<suzuki at in.ibm.com> wrote: >> Disable backup regions for BookE in case of a CRASH Dump, as they can >> be run from anywhere. >> >> The patch introduces --with-booke option to support the BookE. >> >> With the patch, we get : >> >> ## On a 256M machine: >> >> # busybox cat /proc/cmdline >> init=/bin/init console=ttyS0,16550 crashkernel=128M at 100M >> # kexec -p root/vmlinux >> usable memory rgns size:1 base:6400000 size:8000000 >> CRASH MEMORY RANGES >> 0000000000000000-0000000006400000 >> 000000000e400000-0000000010000000 >> Command line after adding elfcorehdr: elfcorehdr=112380K >> Command line after adding elfcorehdr: elfcorehdr=112380K savemaxmem=256M > > So there were two crash regions when we only needed the one specified > on the command line? > Yes, and isn't that is expected ? The first kernel uses the memory region (0-100M), (228M,256M). Where the 100-228M is reserved for crash kernel. Thanks Suzuki
