On 04/07/2010 03:45 PM, Yinghai wrote: > > It seem another thread, erission has one model without VGA, and they use that area for other device MMIO. > > current for 64bit, We remove [0xa0000, 0x100000) from e820 map if those area is E820_RAM. > Removing is not the same thing as reserving! A range with no type in E820 is address space available for allocation; whereas in order to be reserved, it should be E820_RESERVED. > in e820_reserve_resources(), kernel will reserve range < 1M according to e820 map. > that is before pci BAR is claimed. > > or you can add > boot_params.screen_info.orig_video_isVGA == 1 > or double check scan pci tree to see if video is there or not Perhaps boot_params.screen_info.orig_video_isVGA != 1 because he's not booting in a text mode? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
