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3. If step 2 also failed then apply the workaround from bug 994921,
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** Tags added: amdgpu
** Tags added: black-screen
** Summary changed:
- Black screen after standby - clean Kubuntu on AMD T495
+ [amdgpu] Black screen after standby - clean Kubuntu on AMD T495
** Package changed: xorg (Ubuntu) => xserver-xorg-video-amdgpu (Ubuntu)
** Changed in: xserver-xorg-video-amdgpu (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1876433
Title:
[amdgpu] Black screen after standby - clean Kubuntu on AMD T495
Status in xserver-xorg-video-amdgpu package in Ubuntu:
Incomplete
Bug description:
I installed a fresh Kubuntu 20.04. on my Thinkpad T495 (AMD). No
further software, simply clean installation. After every standby the
Laptop wakes up, but shows only black screen. No way to get back to
Kubuntu desktop.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Keine Berechtigung: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: KDE
Date: Sat May 2 11:48:04 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev d2) (prog-if
00 [VGA controller])
Subsystem: Lenovo Picasso [17aa:5125]
InstallationDate: Installed on 2020-05-01 (0 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20NKS01Y00
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-28-generic
root=UUID=537c947f-55fc-4bba-bb91-e7c4b91e39e6 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/06/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: R12ET49W(1.19 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20NKS01Y00
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.modalias:
dmi:bvnLENOVO:bvrR12ET49W(1.19):bd01/06/2020:svnLENOVO:pn20NKS01Y00:pvrThinkPadT495:rvnLENOVO:rn20NKS01Y00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T495
dmi.product.name: 20NKS01Y00
dmi.product.sku: LENOVO_MT_20NK_BU_Think_FM_ThinkPad T495
dmi.product.version: ThinkPad T495
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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