> -----Original Message----- > From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi- > owner@xxxxxxxxxxxxxxx] On Behalf Of Linus Torvalds > Sent: Friday, July 27, 2018 11:38 AM > To: Rafael J. Wysocki <rafael@xxxxxxxxxx> > Cc: Linux ACPI <linux-acpi@xxxxxxxxxxxxxxx>; Linux Kernel Mailing List <linux- > kernel@xxxxxxxxxxxxxxx> > Subject: Re: [GIT PULL] ACPI fix for v4.18-rc7 > > My XPS13 laptop is unhappy with something recent. > > As of yesterday, I get this at bootup: > > ACPI: Added _OSI(Module Device) > 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 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: 9 ACPI AML tables successfully acquired and loaded > > It does *not* happen in > > Linux version 4.18.0-rc6-00110-g6e77b267723c > > but it *does* happen in > > Linux version 4.18.0-rc6-00152-gcd3f77d74ac3 > > and while I didn't bisect it, I'm assuming it's due to 73c2a01c52b6 > ("ACPICA: AML Parser: ignore dispatcher error status during table > load") > > Ideas? Sorry about the breakage. I found the cause this failure and I'm working on a fix right now. Erik > > Note only the errors are new. On older kernels, I just get: > > ACPI: Added _OSI(Module Device) > 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: 9 ACPI AML tables successfully acquired and loaded > > without the big slew of errors. > > Linus > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of > a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html ��.n��������+%������w��{.n�����{�����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f