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Thread: Boot error - BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [CAP1] at bit offset/length

  1. #1
    Join Date
    May 2020
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    Boot error - BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [CAP1] at bit offset/length

    I get some errors showing every time I boot, although everything seems to work.


    This is a recent HP Z-Book Studio x360 Workstation G5 with NVidia Quadro P2000 (4GB), with i7-9850H, 32 GB RAM, running Ubuntu 20.04.

    Doesn't really bother me, as everything seems to work, but it may be of interest to a developer to work out and fix the bug. Happy to help diagnostics etc if needed, sly@gamertheory.net.

    Messages from journalctl -b


    May 05 12:41:51 Nyjora kernel: ACPI: 22 ACPI AML tables successfully acquired and loaded
    May 05 12:41:51 Nyjora kernel: ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
    May 05 12:41:51 Nyjora kernel: ACPI: Dynamic OEM Table Load:
    May 05 12:41:51 Nyjora kernel: ACPI: SSDT 0xFFFF89A1B7454900 0000F4 (v02 PmRef Cpu0Psd 00003000 INTL 20160527)
    May 05 12:41:51 Nyjora kernel: ACPI: \_SB_.PR00: _OSC native thermal LVT Acked
    May 05 12:41:51 Nyjora kernel: ACPI BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [CAP1] at bit offset/length 64/32 exceeds size of target Buffer (64 bits) (20190816/dsopcode-198)
    May 05 12:41:51 Nyjora kernel: fbcon: Taking over console
    May 05 12:41:51 Nyjora kernel: No Local Variables are initialized for Method [_OSC]
    May 05 12:41:51 Nyjora kernel: Initialized Arguments for Method [_OSC]: (4 arguments defined for method invocation)
    May 05 12:41:51 Nyjora kernel: Arg0: 00000000a0bc87ac <Obj> Buffer(16) 6E B0 11 08 27 4A F9 44
    May 05 12:41:51 Nyjora kernel: Arg1: 00000000e53125d3 <Obj> Integer 0000000000000001
    May 05 12:41:51 Nyjora kernel: Arg2: 000000000c8d909c <Obj> Integer 0000000000000002
    May 05 12:41:51 Nyjora kernel: Arg3: 000000008de722f4 <Obj> Buffer(8) 01 00 00 00 FF 10 00 00
    May 05 12:41:51 Nyjora kernel: ACPI Error: Aborting method \_SB._OSC due to previous error (AE_AML_BUFFER_LIMIT) (20190816/psparse-529)
    May 05 12:41:51 Nyjora kernel: ACPI: Dynamic OEM Table Load:
    May 05 12:41:51 Nyjora kernel: ACPI: SSDT 0xFFFF89A1B745AC00 000400 (v02 PmRef Cpu0Cst 00003001 INTL 20160527)
    May 05 12:41:51 Nyjora kernel: ACPI: Dynamic OEM Table Load:


    ...
    Some other errors (may not be related; I don't see these in the boot screen)


    May 05 12:41:51 Nyjora kernel: ACPI: Thermal Zone [LOCZ] (38 C)
    May 05 12:41:51 Nyjora kernel: thermal LNXTHERM:05: registered as thermal_zone5
    May 05 12:41:51 Nyjora kernel: ACPI: Thermal Zone [BATZ] (30 C)
    May 05 12:41:51 Nyjora kernel: ACPI BIOS Error (bug): AE_AML_PACKAGE_LIMIT, Index (0x000000005) is beyond end of object (length 0x5) (20190816/exoparg2-393)
    May 05 12:41:51 Nyjora kernel:
    Initialized Local Variables for Method [GETP]:
    May 05 12:41:51 Nyjora kernel: Local0: 00000000203efe8a <Obj> Integer 0000000000000003
    May 05 12:41:51 Nyjora kernel: Initialized Arguments for Method [GETP]: (2 arguments defined for method invocation)
    May 05 12:41:51 Nyjora kernel: Arg0: 000000004be9d0d9 <Obj> Integer 0000000000000005
    May 05 12:41:51 Nyjora kernel: Arg1: 000000004e4bdfc8 <Obj> Integer 0000000000000003
    May 05 12:41:51 Nyjora kernel: ACPI Error: Aborting method \_TZ.GETP due to previous error (AE_AML_PACKAGE_LIMIT) (20190816/psparse-529)
    May 05 12:41:51 Nyjora kernel: ACPI Error: Aborting method \_TZ.CHGZ._CRT due to previous error (AE_AML_PACKAGE_LIMIT) (20190816/psparse-529)
    May 05 12:41:51 Nyjora kernel: ACPI BIOS Error (bug): AE_AML_PACKAGE_LIMIT, Index (0x000000005) is beyond end of object (length 0x5) (20190816/exoparg2-393)
    May 05 12:41:51 Nyjora kernel:
    Initialized Local Variables for Method [GETP]:
    May 05 12:41:51 Nyjora kernel: Local0: 000000004e4bdfc8 <Obj> Integer 0000000000000003
    May 05 12:41:51 Nyjora kernel: Initialized Arguments for Method [GETP]: (2 arguments defined for method invocation)
    May 05 12:41:51 Nyjora kernel: Arg0: 000000004be9d0d9 <Obj> Integer 0000000000000005
    May 05 12:41:51 Nyjora kernel: Arg1: 00000000a8987dca <Obj> Integer 0000000000000003
    May 05 12:41:51 Nyjora kernel: ACPI Error: Aborting method \_TZ.GETP due to previous error (AE_AML_PACKAGE_LIMIT) (20190816/psparse-529)
    May 05 12:41:51 Nyjora kernel: ACPI Error: Aborting method \_TZ.CHGZ._CRT due to previous error (AE_AML_PACKAGE_LIMIT) (20190816/psparse-529)
    May 05 12:41:51 Nyjora kernel: [Firmware Bug]: No valid trip found
    May 05 12:41:51 Nyjora kernel: thermal LNXTHERM:07: registered as thermal_zone6
    May 05 12:41:51 Nyjora kernel: ACPI: Thermal Zone [PCHZ] (0 C)
    May 05 12:41:51 Nyjora kernel: Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled

  2. #2
    Join Date
    Jun 2006
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    Nux Jam
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    Ubuntu Development Release

    Re: Boot error - BIOS Error (bug): AE_AML_BUFFER_LIMIT, Field [CAP1] at bit offset/le

    Request a bios upgrade (if not yet available) via hp support
    You can also report againt 'linux' to get a fixed kernel related to that acpi problem

    https://bugzilla.kernel.org/
    Last edited by dino99; May 5th, 2020 at 12:58 PM.

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