all kernels bug

Linux 4.16.12-041612-generic #201805251538 SMP Fri May 25 15:40:25 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

DELL INSPIRION 5547 i5-4210u
hybrid graph intel + amd
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
03:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445]

any one can help?
at boot on all distributives and on all lasts kernels i see this two errors

1)ipmi:dmi: invalid offset 0(im not have any ipmi interface and installed software)
2)amdgpu: [powerplay] VBIOS did not find boot engine(this on all kernels)

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7
Uname: Linux 4.16.12-041612-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: KDE
Date: Sat May 26 14:38:56 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: kubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Dell Haswell-ULT Integrated Graphics Controller [1028:0640]
   Subsystem: Dell Radeon R7 M260/M265 [1028:0640]
MachineType: Dell Inc. Inspiron 5547
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.16.12-041612-generic root=UUID=084e8cd8-bcda-4dd7-9cd3-24aae91aa541 ro quiet splash radeon.dpm=1 vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/24/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 08KNCD
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A11
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd01/24/2018:svnDellInc.:pnInspiron5547:pvrA11:rvnDellInc.:rn08KNCD:rvrA00:cvnDellInc.:ct8:cvrA11:
dmi.product.family: 00
dmi.product.name: Inspiron 5547
dmi.product.version: A11
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.92+git1805251830.c1f2d9~oibaf~b
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2~git1805260730.79fe00~oibaf~b
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2~git1805260730.79fe00~oibaf~b
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2