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From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Linux ACPI <linux-acpi@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL] ACPI fix for v4.18-rc7
Date: Fri, 27 Jul 2018 11:37:51 -0700	[thread overview]
Message-ID: <CA+55aFx0SEn1AUspujpr-TDGgJkphrRJz_oL_R+XVxUUWV4pkg@mail.gmail.com> (raw)
In-Reply-To: <CAJZ5v0i=npm4hTb6M2cC=mDOhvnhmcsFPEGywhfuHchi20uwmQ@mail.gmail.com>

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?

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

  reply	other threads:[~2018-07-27 18:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-26 14:13 [GIT PULL] ACPI fix for v4.18-rc7 Rafael J. Wysocki
2018-07-27 18:37 ` Linus Torvalds [this message]
2018-07-27 21:51   ` Schmauss, Erik
2018-07-28  0:02     ` Schmauss, Erik
2018-07-28  1:30       ` Linus Torvalds
2018-07-28  3:20         ` Len Brown
2018-07-28 16:59       ` Oleksandr Natalenko

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