https://bugzilla.kernel.org/show_bug.cgi?id=104291
Bug ID: 104291
Summary: No handler for Region [GPOR] (Surface 3 touchscreen)
Product: ACPI
Version: 2.5
Kernel Version: 4.3 pre
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: acpi_ot...@kernel-bugs.osdl.org
Reporter: bugzi...@hadess.net
Regression: No
Created attachment 187171
--> https://bugzilla.kernel.org/attachment.cgi?id=187171&action=edit
decompiled DSDT
Using a pre-release of kernel 4.3 I get:
Sep 05 14:14:04 localhost kernel: ACPI Error: No handler for Region [GPOR]
(ffff88013f4af3a8) [GeneralPurposeIo] (20150619/evregion-163)
Sep 05 14:14:04 localhost kernel: ACPI Error: Region GeneralPurposeIo (ID=8)
has no handler (20150619/exfldio-297)
Sep 05 14:14:04 localhost kernel: ACPI Error: Method parse/execution failed
[\_SB_.PCI0.SPI1.NTRG._STA] (Node ffff88013f4b15a0), AE_NOT_EXIST
(20150619/psparse-536)
(Full log at https://bugzilla.kernel.org/attachment.cgi?id=186711 )
Which in the DSDT corresponds to:
Scope (_SB.PCI0.SPI1)
{
Device (NTRG)
{
Name (_HID, "MSHW0037") // _HID: Hardware ID
Name (_UID, One) // _UID: Unique ID
Name (_DEP, Package (0x04) // _DEP: Dependencies
{
GPO0,
GPO1,
GPO3,
SPI1
})
The MSHW0037 device is the touchscreen, in Windows' device manager program.
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