On SGI UV (x86_64) kexec grumbles about 'Unusable memory' ranges: Unknown type (%s) while parsing %s. Please " "report this as bug. Using RANGE_RESERVED now. uv44-sys:~ # cat /proc/iomem 00000000-00000fff : System RAM 00001000-00005fff : reserved 00006000-0008efff : System RAM 0008f000-0008ffff : ACPI Non-volatile Storage 00090000-0009ffff : System RAM 00100000-75ffcfff : System RAM 01000000-0139dcaf : Kernel code 0139dcb0-0192c12f : Kernel data 01a28000-01cd7777 : Kernel bss 02000000-09ffffff : Crash kernel 75ffd000-76013fff : Unusable memory 76014000-766a6fff : System RAM 766a7000-766d6fff : Unusable memory ... This patch keeps Unusable memory as another RANGE_RESERVED area, but without the warning message. Diffed against git.kernel.org/pub/scm/linux/kernel/git/horms/kexec-tools.git Signed-off-by: Cliff Wickman <cpw at sgi.com> --- kexec/firmware_memmap.c | 2 ++ 1 file changed, 2 insertions(+) Index: kexec-tools/kexec/firmware_memmap.c =================================================================== --- kexec-tools.orig/kexec/firmware_memmap.c +++ kexec-tools/kexec/firmware_memmap.c @@ -161,6 +161,8 @@ static int parse_memmap_entry(const char range->type = RANGE_RAM; else if (strcmp(type, "ACPI Tables") == 0) range->type = RANGE_ACPI; + else if (strcmp(type, "Unusable memory") == 0) + range->type = RANGE_RESERVED; else if (strcmp(type, "reserved") == 0) range->type = RANGE_RESERVED; else if (strcmp(type, "Unusable memory") == 0)
