(In reply to Lv Zheng from comment #21)
> (In reply to Radek Podgorny from comment #5)
> > also, i forgot to mention i use this kernel cmdline:
> > 
> > Command line: initrd=\intel-ucode.img initrd=\initramfs-linux.img
> > root=/dev/disk/by-label/PUPIK_ROOT rw ___acpi_osi=
> 
> It looks your ssdt6 contains same information as dsdt.
> 
>  193531\dsdt.dsl (18 hits)
>       Line 41101:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41133:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41165:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41197:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41229:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41261:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41293:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41325:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41357:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41389:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41421:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41453:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41485:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41517:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41549:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41581:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41613:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 41645:         Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>   193531\ssdt6.dsl (20 hits)
>       Line 81:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 94:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 107:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 120:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 133:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 146:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 159:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 172:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 185:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 198:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 211:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 224:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 237:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 250:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 263:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 276:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 289:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 302:         Method (_UPC, 0, NotSerialized)  // _UPC: USB Port
> Capabilities
>       Line 409:             Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
>       Line 432:             Method (_UPC, 0, Serialized)  // _UPC: USB Port
> Capabilities
> 
> So the error was reported when SSDT6 was loaded.
> 
> Looks like a firmware issue to me if you didn't customize your DSDT by
> combining original one with SSDTs.
> 
> Thanks
> Lv

ok, so if i understand it correctly, the error has always been there but is now being displayed with the 4.9 kernel?