Public bug reported:
I keep see those message in kernel logs, seems charmless but polluting
logs, please investigate
Ubuntu 26.04
kernel: 7.0.0-15-generic
May 28 11:37:29 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:29 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:29 drakkar kernel: Arg0: 00000000a98b4338 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:29 drakkar kernel: Arg1: 00000000a3a140d2 <Obj>
Integer 0000000000000102
May 28 11:37:29 drakkar kernel: Arg2: 000000002d608a1d <Obj>
Integer 0000000000000010
May 28 11:37:29 drakkar kernel: Arg3: 00000000a42b314e <Obj>
Buffer(4) 00 10 52 44
May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:31 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:31 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:31 drakkar kernel: Arg0: 00000000f7bd605d <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:31 drakkar kernel: Arg1: 00000000686e2b10 <Obj>
Integer 0000000000000102
May 28 11:37:31 drakkar kernel: Arg2: 00000000d45f2855 <Obj>
Integer 0000000000000010
May 28 11:37:31 drakkar kernel: Arg3: 00000000b13bfaae <Obj>
Buffer(4) 00 10 52 44
May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:39 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:39 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:39 drakkar kernel: Arg0: 0000000033f93119 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:39 drakkar kernel: Arg1: 000000001f176972 <Obj>
Integer 0000000000000102
May 28 11:37:39 drakkar kernel: Arg2: 00000000752f5634 <Obj>
Integer 0000000000000010
May 28 11:37:39 drakkar kernel: Arg3: 000000005eceb6ac <Obj>
Buffer(4) 00 10 52 44
May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:41 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:41 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
May 28 11:37:41 drakkar kernel:
May 28 11:37:41 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
May 28 11:37:41 drakkar kernel:
May 28 11:37:41 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:41 drakkar kernel: Arg0: 00000000f0b28a45 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:41 drakkar kernel: Arg1: 00000000f995cf79 <Obj>
Integer 0000000000000102
May 28 11:37:41 drakkar kernel: Arg2: 000000000cb02250 <Obj>
Integer 0000000000000010
May 28 11:37:41 drakkar kernel: Arg3: 000000009344bc6d <Obj>
Buffer(4) 00 10 52 44
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-15-generic 7.0.0-15.15
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu May 28 11:36:23 2026
IwDevWlp0s20f3Link: Not connected.
MachineType: ASUS System Product Name
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_1mwuiv@/vmlinuz-7.0.0-15-generic
root=ZFS=rpool/ROOT/ubuntu_1mwuiv ro init_on_alloc=0 intel_iommu=on iommu=pt
vfio-pci.ids=10de:2504,10de:228e modprobe.blacklist=nouveau
modprobe.blacklist=nvidia quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-05-22 (6 days ago)
dmi.bios.date: 04/16/2026
dmi.bios.release: 18.36
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1836
dmi.board.asset.tag: Default string
dmi.board.name: PRIME Z790-A WIFI
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1836:bd04/16/2026:br18.36:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ790-AWIFI:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:pfaTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
mtime.conffile..etc.logrotate.d.apport: 2023-08-24T03:09:53.125138
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Description changed:
I keep see those message in kernel logs, seems charmless but polluting
logs, please investigate
+ Ubuntu 26.04
+ kernel: 7.0.0-15-generic
+
+
May 28 11:37:29 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:29 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
- May 28 11:37:29 drakkar kernel:
+ May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
- May 28 11:37:29 drakkar kernel:
+ May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:29 drakkar kernel: Arg0: 00000000a98b4338 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:29 drakkar kernel: Arg1: 00000000a3a140d2 <Obj>
Integer 0000000000000102
May 28 11:37:29 drakkar kernel: Arg2: 000000002d608a1d <Obj>
Integer 0000000000000010
May 28 11:37:29 drakkar kernel: Arg3: 00000000a42b314e <Obj>
Buffer(4) 00 10 52 44
- May 28 11:37:29 drakkar kernel:
+ May 28 11:37:29 drakkar kernel:
May 28 11:37:29 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:31 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:31 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
- May 28 11:37:31 drakkar kernel:
+ May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
- May 28 11:37:31 drakkar kernel:
+ May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:31 drakkar kernel: Arg0: 00000000f7bd605d <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:31 drakkar kernel: Arg1: 00000000686e2b10 <Obj>
Integer 0000000000000102
May 28 11:37:31 drakkar kernel: Arg2: 00000000d45f2855 <Obj>
Integer 0000000000000010
May 28 11:37:31 drakkar kernel: Arg3: 00000000b13bfaae <Obj>
Buffer(4) 00 10 52 44
- May 28 11:37:31 drakkar kernel:
+ May 28 11:37:31 drakkar kernel:
May 28 11:37:31 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:39 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:39 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
- May 28 11:37:39 drakkar kernel:
+ May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
- May 28 11:37:39 drakkar kernel:
+ May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:39 drakkar kernel: Arg0: 0000000033f93119 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:39 drakkar kernel: Arg1: 000000001f176972 <Obj>
Integer 0000000000000102
May 28 11:37:39 drakkar kernel: Arg2: 00000000752f5634 <Obj>
Integer 0000000000000010
May 28 11:37:39 drakkar kernel: Arg3: 000000005eceb6ac <Obj>
Buffer(4) 00 10 52 44
- May 28 11:37:39 drakkar kernel:
+ May 28 11:37:39 drakkar kernel:
May 28 11:37:39 drakkar kernel: ACPI Error: Aborting method
\_SB.PC00.PEG1.PEGP._DSM due to previous error (AE_ALREADY_EXISTS)
(20251212/psparse-529)
May 28 11:37:41 drakkar kernel: ACPI BIOS Error (bug): Failure creating named
object [\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS (20251212/dsfield-184)
May 28 11:37:41 drakkar kernel: ACPI Error: AE_ALREADY_EXISTS,
CreateBufferField failure (20251212/dswload2-477)
- May 28 11:37:41 drakkar kernel:
+ May 28 11:37:41 drakkar kernel:
May 28 11:37:41 drakkar kernel: No Local Variables are initialized for Method
[_DSM]
- May 28 11:37:41 drakkar kernel:
+ May 28 11:37:41 drakkar kernel:
May 28 11:37:41 drakkar kernel: Initialized Arguments for Method [_DSM]: (4
arguments defined for method invocation)
May 28 11:37:41 drakkar kernel: Arg0: 00000000f0b28a45 <Obj>
Buffer(16) 75 0B A5 D4 C7 65 F7 46
May 28 11:37:41 drakkar kernel: Arg1: 00000000f995cf79 <Obj>
Integer 0000000000000102
May 28 11:37:41 drakkar kernel: Arg2: 000000000cb02250 <Obj>
Integer 0000000000000010
May 28 11:37:41 drakkar kernel: Arg3: 000000009344bc6d <Obj>
Buffer(4) 00 10 52 44
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-15-generic 7.0.0-15.15
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu May 28 11:36:23 2026
IwDevWlp0s20f3Link: Not connected.
MachineType: ASUS System Product Name
ProcEnviron:
- LANG=en_US.UTF-8
- PATH=(custom, no user)
- SHELL=/bin/bash
- TERM=xterm-256color
- XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ PATH=(custom, no user)
+ SHELL=/bin/bash
+ TERM=xterm-256color
+ XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_1mwuiv@/vmlinuz-7.0.0-15-generic
root=ZFS=rpool/ROOT/ubuntu_1mwuiv ro init_on_alloc=0 intel_iommu=on iommu=pt
vfio-pci.ids=10de:2504,10de:228e modprobe.blacklist=nouveau
modprobe.blacklist=nvidia quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-05-22 (6 days ago)
dmi.bios.date: 04/16/2026
dmi.bios.release: 18.36
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1836
dmi.board.asset.tag: Default string
dmi.board.name: PRIME Z790-A WIFI
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1836:bd04/16/2026:br18.36:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ790-AWIFI:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:pfaTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
mtime.conffile..etc.logrotate.d.apport: 2023-08-24T03:09:53.125138
--
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https://bugs.launchpad.net/bugs/2154436
Title:
ACPI BIOS Error (bug): Failure creating named object
[\_SB.PC00.PEG1.PEGP._DSM.USRG], AE_ALREADY_EXISTS
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2154436/+subscriptions
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