On Thu, Oct 22, 2015 at 03:18:16PM +0000, Zha, Qipeng wrote: > >Is the ASL fragment you provided collected from a running Linux system using > >acpidump? If so, then the resources ACPI advertises to the OS are not > >actually available... and that can't be acceptable. > This is real ASL code I got from BIOS team and validated on bxt platform. > Confirmed BIOS runtime code will update "acpi table" in memory before switch > to os, for those resource which need to get/read from hardware dynamically, > in this case, MINF and MDAT is set in runtime when boot BIOS and size of res0 > is set as 4B. So the ASL you provided was not what the Linux kernel is seeing, correct? Can you please provide a DSDT disassembly from the running Linux system please, such as: # cp /sys/firmware/acpi/tables/DSDT DSDT.dat # iasl -d DSDT.dat Then find this device in DSDT.dsl and paste it here please. -- Darren Hart Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
