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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1983180
Title:
ACPI Error _CPC not found
Status in linux package in Ubuntu:
Confirmed
Bug description:
just recently (I guess since the last update) I get a few ACPI error
messages during start up. Those are also visible with dmesg:
...
[ 0.713907] ACPI: AC: AC Adapter [AC] (on-line)
[ 0.713978] input: Sleep Button as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input0
[ 0.714011] ACPI: button: Sleep Button [SLPB]
[ 0.714040] input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input1
[ 0.714061] ACPI: button: Lid Switch [LID]
[ 0.714087] input: Power Button as
/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
[ 0.714105] ACPI: button: Power Button [PWRF]
[ 0.714187] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.714199] No Local Variables are initialized for Method [_CPC]
[ 0.714201] No Arguments are initialized for method [_CPC]
[ 0.714203] ACPI Error: Aborting method \_SB.PR01._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.714395] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.714404] No Local Variables are initialized for Method [_CPC]
[ 0.714405] No Arguments are initialized for method [_CPC]
[ 0.714407] ACPI Error: Aborting method \_SB.PR02._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.714480] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.714488] No Local Variables are initialized for Method [_CPC]
[ 0.714490] No Arguments are initialized for method [_CPC]
[ 0.714492] ACPI Error: Aborting method \_SB.PR03._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.714640] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.714651] No Local Variables are initialized for Method [_CPC]
[ 0.714653] No Arguments are initialized for method [_CPC]
[ 0.714655] ACPI Error: Aborting method \_SB.PR04._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.714940] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.714952] No Local Variables are initialized for Method [_CPC]
[ 0.714953] No Arguments are initialized for method [_CPC]
[ 0.714955] ACPI Error: Aborting method \_SB.PR05._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.715106] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.715118] No Local Variables are initialized for Method [_CPC]
[ 0.715119] No Arguments are initialized for method [_CPC]
[ 0.715121] ACPI Error: Aborting method \_SB.PR06._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.715309] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.715321] No Local Variables are initialized for Method [_CPC]
[ 0.715322] No Arguments are initialized for method [_CPC]
[ 0.715324] ACPI Error: Aborting method \_SB.PR07._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.715611] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.715623] No Local Variables are initialized for Method [_CPC]
[ 0.715624] No Arguments are initialized for method [_CPC]
[ 0.715626] ACPI Error: Aborting method \_SB.PR08._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.716055] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.716067] No Local Variables are initialized for Method [_CPC]
[ 0.716069] No Arguments are initialized for method [_CPC]
[ 0.716071] ACPI Error: Aborting method \_SB.PR09._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.716360] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.716371] No Local Variables are initialized for Method [_CPC]
[ 0.716373] No Arguments are initialized for method [_CPC]
[ 0.716375] ACPI Error: Aborting method \_SB.PR10._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.716669] ACPI BIOS Error (bug): Could not resolve symbol
[\_SB.PR00._CPC], AE_NOT_FOUND (20210730/psargs-330)
[ 0.716681] No Local Variables are initialized for Method [_CPC]
[ 0.716682] No Arguments are initialized for method [_CPC]
[ 0.716684] ACPI Error: Aborting method \_SB.PR11._CPC due to previous
error (AE_NOT_FOUND) (20210730/psparse-529)
[ 0.720501] thermal LNXTHERM:00: registered as thermal_zone0
[ 0.720504] ACPI: thermal: Thermal Zone [THM0] (64 C)
...
Searching the internet shows that many people with different computers
are affected by that.
Probably it's a regression in the Linux kernel as described at:
https://bugzilla.kernel.org/show_bug.cgi?id=213023
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-43-generic 5.15.0-43.46
ProcVersionSignature: Ubuntu 5.15.0-43.46-generic 5.15.39
Uname: Linux 5.15.0-43-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cm 2717 F.... pulseaudio
/dev/snd/controlC1: cm 2717 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Jul 30 16:16:46 2022
HibernationDevice:
#RESUME=UUID=9cd06200-ed0e-4f66-9baa-a3977c6b59e0
RESUME=/dev/mapper/GROUP-SWAP
InstallationDate: Installed on 2018-10-10 (1388 days ago)
InstallationMedia: Kubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: LENOVO 20MBCTO1WW
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-43-generic
root=/dev/mapper/GROUP-ROOT ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.15.0-43-generic N/A
linux-backports-modules-5.15.0-43-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.3
SourcePackage: linux
UpgradeStatus: Upgraded to jammy on 2022-07-24 (5 days ago)
dmi.bios.date: 06/10/2022
dmi.bios.release: 1.47
dmi.bios.vendor: LENOVO
dmi.bios.version: N2CET64W (1.47 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20MBCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.16
dmi.modalias:
dmi:bvnLENOVO:bvrN2CET64W(1.47):bd06/10/2022:br1.47:efr1.16:svnLENOVO:pn20MBCTO1WW:pvrThinkPadP72:rvnLENOVO:rn20MBCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20MB_BU_Think_FM_ThinkPadP72:
dmi.product.family: ThinkPad P72
dmi.product.name: 20MBCTO1WW
dmi.product.sku: LENOVO_MT_20MB_BU_Think_FM_ThinkPad P72
dmi.product.version: ThinkPad P72
dmi.sys.vendor: LENOVO
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