On Thursday, October 22, 2015 05:43:07 PM Darren Hart wrote: > 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. Or even better send the full output of acpidump from that system (when running). Thanks, Rafael -- 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