Dave, attached patch is to add vmss memroy regions support. There might be holes in the memory address saved for PCI etc. In such case memory dump is divided into regions. Currently up to 3 regions are supported. Memory dump larger than 3GB will have the first hole. My dropbox space used up, I cannot attach a 4GB memory dump. and here is how it looks like in the vmss meta data dump. 3GB: === - Group: memory pos=0x1f6f6 size=0xc000090c ------------------------------------ align_mask[0, 0] => 0x00ffff regionsCount => 0x000000 Memory[0, 0] => BLOCK, pos=0x20000, size=0xc0000000 4GB: === - Group: memory pos=0x1f6f6 size=0x10000090c ----------------------------------- align_mask[0, 0] => 0x00ffff regionsCount => 0x000002 regionPageNum[0] => 0x000000 regionPPN[0] => 0x000000 regionSize[0] => 0x0c0000 regionPageNum[1] => 0x0c0000 regionPPN[1] => 0x100000 regionSize[1] => 0x040000 Memory[0, 0] => BLOCK, pos=0x20000, size=0x100000000 rgds, Dyno