Hi, with v4.18-rc7 compared to v4.18-rc7 with commit 73c2a01c52b reverted I get the following errors (and differences in the log): --- v4.18-rc7-revert-73c2a01c5-acpi-filtered 2018-07-30 08:14:43.237840846 +0200 +++ v4.18-rc7-acpi-filtered 2018-07-30 08:14:10.697196319 +0200 @@ -55,19 +55,37 @@ ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(3.0 _SCP Extensions) ACPI: Added _OSI(Processor Aggregator Device) ACPI: Added _OSI(Linux-Dell-Video) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) +ACPI Error: Result stack is empty! State=(____ptrval____) (20180531/dswstate-65) +ACPI Error: AE_AML_NO_RETURN_VALUE, Missing or null operand (20180531/dsutils-612) +ACPI Error: AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20180531/dsutils-727) ACPI: 5 ACPI AML tables successfully acquired and loaded ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored ACPI: Dynamic OEM Table Load: -ACPI: SSDT 0xFFFF96A0D4937000 0006E2 (v02 FUJ Win8Ssdt 00000001 INTL 20160527) +ACPI: SSDT 0xFFFF8E6314937000 0006E2 (v02 FUJ Win8Ssdt 00000001 INTL 20160527) ACPI: Dynamic OEM Table Load: -ACPI: SSDT 0xFFFF96A0D486C800 0006B4 (v02 PmRef Cpu0Ist 00003000 INTL 20160527) +ACPI: SSDT 0xFFFF8E631486C800 0006B4 (v02 PmRef Cpu0Ist 00003000 INTL 20160527) ACPI: \_PR_.CPU0: _OSC native thermal LVT Acked ACPI: Dynamic OEM Table Load: -ACPI: SSDT 0xFFFF96A0D486C000 00045D (v02 PmRef Cpu0Cst 00003001 INTL 20160527) +ACPI: SSDT 0xFFFF8E631486C000 00045D (v02 PmRef Cpu0Cst 00003001 INTL 20160527) ACPI: Dynamic OEM Table Load: -ACPI: SSDT 0xFFFF96A0D485C800 00065C (v02 PmRef ApIst 00003000 INTL 20160527) +ACPI: SSDT 0xFFFF8E631485C800 00065C (v02 PmRef ApIst 00003000 INTL 20160527) ACPI: Dynamic OEM Table Load: -ACPI: SSDT 0xFFFF96A0D481F200 00018A (v02 PmRef ApCst 00003000 INTL 20160527) +ACPI: SSDT 0xFFFF8E631481F200 00018A (v02 PmRef ApCst 00003000 INTL 20160527) ACPI: EC: EC started ACPI: EC: interrupt blocked ACPI: \_SB_.PCI0.LPCB.EC__: Used as first EC I.e. the errors do only occur with v4.18-rc7 and reverting commit 73c2a01c52b fixes them. I see these errors on a Fujitsu Lifebook U747. I would guess, that you probably need some more information but I do not know what, so please tell me what more would be helpful for you. With best regards, Julian Wollrath -- () ascii ribbon campaign - against html e-mail /\ - against proprietary attachments
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