On Sun, Jul 21, 2019 at 05:05:17PM -0700, Guenter Roeck wrote: > Most likely the memory region is reserved/used by something else. /proc/iomem > might show you. The output is a bit strange since it mentions iTCO_wdt for that address range: [ 9.377397] iTCO_wdt iTCO_wdt: can't request region for resource [mem 0x00c5fffc-0x00c5ffff] 00000000-00000fff : Reserved 00001000-0009efff : System RAM 0009f000-000fffff : Reserved 000a0000-000bffff : PCI Bus 0000:00 000e0000-000e3fff : PCI Bus 0000:00 000e4000-000e7fff : PCI Bus 0000:00 000e8000-000ebfff : PCI Bus 0000:00 000ec000-000effff : PCI Bus 0000:00 000f0000-000fffff : System ROM 00100000-6f8d8017 : System RAM 00c5fffc-00c5ffff : iTCO_wdt 6f8d8018-6f8e8e57 : System RAM 6f8e8e58-79d52fff : System RAM 79d53000-7a1bdfff : Reserved 7a1be000-7a23afff : ACPI Tables 7a23b000-7a2ebfff : ACPI Non-volatile Storage 7a2ec000-7ac0dfff : Reserved 7ac0e000-7ac0efff : System RAM 7ac0f000-7fffffff : Reserved 7c000000-7fffffff : Graphics Stolen Memory -- Valentin
