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

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