No, my BIOS version is K5CN34WW
Do you have exactly the same computer model (Yoga 7 14ARB7)?
Do you have exactly the same Lenovo TB Dock?
12.12.2022 19:05:22 Steven Hong <email address hidden>:
> I have same issue like u. did you update your bios?
> I have same issue after updating my BIOS.
>
> Used so well until bios updates.
>
> The bios Code is : JVEC31WW
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1998673
>
> Title:
> [amdgpu] External Display via Lenovo TB3 Dock on AMD Ryzen CPU not
> working
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> I have a Lenovo Yoga 7 Gen 7 (14ARB7) with AMD Ryzen 7 6800U CPU, with
> integrated AMD Radeon Graphics and USB4. I know this is quite new
> hardware, but I am astonished that many things work right out of the
> box.
>
> Ubuntu 22.04 with Mainline Kernel Linux 6.0.9-060009-generic #202211170559-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 17 06:06:21 UTC x86_64 x86_64 x86_64 GNU/Linux
> Did some cross checks with Kernel 5.15.0-56 (stable)
> Monitor Samsung U32R592CWU UHD 4K (3.840 x 2.160 Pixel, VA-Panel, 16:9 Format, 60 Hz, 4ms)
>
> What I have issues with (In this issue I'll only report on topic 1):
>
> 1) External Monitor
> 2) Touchscreen not working after suspend by closing lid; suspend only works once
> 3) Integrated keyboard only works with Kernel 6 (Mainline) (kind of solved)
>
> I tested multiple ways connecting external monitors, each of them only working to some extent:
> i) directly via HDMI port of Notebook
> ii) via Lenovo Thinkpad Thunderbolt 3 Dock 40AC DisplayPort or HDMI (preferred solution)
> iii) via an Razer Core X eGPU with Radeon RX570 DisplayPort or HDMI
>
> Problems/Observations:
> 1) DP/HDMI via Dock mostly not working (exception see point 3). USB via Dock works however.
> 2) Booting with HDMI connected to Dock on Kernel 6 stalls. When unplugging the monitor the boot process immediately resumes successfully.
> 3) Booting with HDMI connected to Dock on Kernel 5 brings up the screen, after that Hot Plug is also working, even DP
> 4) Booting with DP connected to Dock on Kernel 5 does not bring up the screen, neither after Hot-Plug of HDMI or DP
> 5) Booting without Monitor connected on Kernel 5 does not bring up the screen on Hot Plug, neither HDMI nor DP
> 6) Hot Plugging the monitors (way i and iii) sometimes freezes the system, needs hard reset.
> 7) Turning off or disconnecting TB cable of eGPU may also cause a freeze (as this also disconnects the monitor it may have the same cause as 2)
>
> So to sum it up: External Screens via this Docking Stations is only
> working on Kernel 5 when the monitor is connected via HDMI during
> boot, but not in any other case.
>
> Side observations:
> 1) The USB devices connected to the TB3 Dock come up very slowly after hot plugging the TB3 connector to the Notebook.
> 2) Mouse cursor (external mouse connected to Dock) hangs from time to time on Kernel 5.
>
> Please notify me if you need further logs. The automatically collected
> logs were captured in situation 2 above. You'll see the gap in the
> timestamps of th DMESG output.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 22.04
> Package: xorg 1:7.7+23ubuntu2
> Uname: Linux 6.0.9-060009-generic x86_64
> ApportVersion: 2.20.11-0ubuntu82.2
> Architecture: amd64
> BootLog: Error: [Errno 13] Keine Berechtigung: '/var/log/boot.log'
> CasperMD5CheckResult: pass
> CompositorRunning: None
> CurrentDesktop: MATE
> Date: Sat Dec 3 18:10:13 2022
> DistUpgraded: Fresh install
> DistroCodename: jammy
> DistroVariant: ubuntu
> ExtraDebuggingInterest: Yes
> GraphicsCard:
> Advanced Micro Devices, Inc. [AMD/ATI] Rembrandt [1002:1681] (rev c1) (prog-if 00 [VGA controller])
> Subsystem: Lenovo Device [17aa:3801]
> InstallationDate: Installed on 2022-11-23 (9 days ago)
> InstallationMedia: Ubuntu-MATE 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
> MachineType: LENOVO 82QF
> ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.0.9-060009-generic root=UUID=3031ba9e-0a88-4dc4-8cb6-65fab38e8fda ro quiet splash vt.handoff=7
> SourcePackage: xorg
> Symptom: display
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 08/19/2022
> dmi.bios.release: 1.34
> dmi.bios.vendor: LENOVO
> dmi.bios.version: K5CN34WW
> dmi.board.asset.tag: NO Asset Tag
> dmi.board.name: LNVNB161216
> dmi.board.vendor: LENOVO
> dmi.board.version: SDK0T76461 WIN
> dmi.chassis.asset.tag: NO Asset Tag
> dmi.chassis.type: 31
> dmi.chassis.vendor: LENOVO
> dmi.chassis.version: Yoga 7 14ARB7
> dmi.ec.firmware.release: 1.34
> dmi.modalias: dmi:bvnLENOVO:bvrK5CN34WW:bd08/19/2022:br1.34:efr1.34:svnLENOVO:pn82QF:pvrYoga714ARB7:rvnLENOVO:rnLNVNB161216:rvrSDK0T76461WIN:cvnLENOVO:ct31:cvrYoga714ARB7:skuLENOVO_MT_82QF_BU_idea_FM_Yoga714ARB7:
> dmi.product.family: Yoga 7 14ARB7
> dmi.product.name: 82QF
> dmi.product.sku: LENOVO_MT_82QF_BU_idea_FM_Yoga 7 14ARB7
> dmi.product.version: Yoga 7 14ARB7
> dmi.sys.vendor: LENOVO
> version.compiz: compiz N/A
> version.libdrm2: libdrm2 2.4.110-1ubuntu1
> version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
> version.libgl1-mesa-glx: libgl1-mesa-glx N/A
> version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.3
> version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
> version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
> version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1
> version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1998673/+subscriptions
No, my BIOS version is K5CN34WW
Do you have exactly the same computer model (Yoga 7 14ARB7)?
Do you have exactly the same Lenovo TB Dock?
12.12.2022 19:05:22 Steven Hong <email address hidden>:
> I have same issue like u. did you update your bios? /bugs.launchpad .net/bugs/ 1998673 generic #202211170559- Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 17 06:06:21 UTC x86_64 x86_64 x86_64 GNU/Linux Observations: generic x86_64 esult: pass nterest: Yes /vmlinuz- 6.0.9-060009- generic root=UUID= 3031ba9e- 0a88-4dc4- 8cb6-65fab38e8f da ro quiet splash vt.handoff=7 asset.tag: NO Asset Tag asset.tag: NO Asset Tag version: Yoga 7 14ARB7 firmware. release: 1.34 bvrK5CN34WW: bd08/19/ 2022:br1. 34:efr1. 34:svnLENOVO: pn82QF: pvrYoga714ARB7: rvnLENOVO: rnLNVNB161216: rvrSDK0T76461WI N:cvnLENOVO: ct31:cvrYoga714 ARB7:skuLENOVO_ MT_82QF_ BU_idea_ FM_Yoga714ARB7: MT_82QF_ BU_idea_ FM_Yoga 7 14ARB7 version: Yoga 7 14ARB7 libgl1- mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1 libgl1- mesa-glx: libgl1-mesa-glx N/A xserver- xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.3 xserver- xorg-input- evdev: xserver- xorg-input- evdev N/A xserver- xorg-video- ati: xserver- xorg-video- ati 1:19.1.0-2ubuntu1 xserver- xorg-video- intel: xserver- xorg-video- intel 2:2.99. 917+git20210115 -1 xserver- xorg-video- nouveau: xserver- xorg-video- nouveau 1:1.0.17-2build1 /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1998673/ +subscriptions
> I have same issue after updating my BIOS.
>
> Used so well until bios updates.
>
> The bios Code is : JVEC31WW
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> [amdgpu] External Display via Lenovo TB3 Dock on AMD Ryzen CPU not
> working
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> I have a Lenovo Yoga 7 Gen 7 (14ARB7) with AMD Ryzen 7 6800U CPU, with
> integrated AMD Radeon Graphics and USB4. I know this is quite new
> hardware, but I am astonished that many things work right out of the
> box.
>
> Ubuntu 22.04 with Mainline Kernel Linux 6.0.9-060009-
> Did some cross checks with Kernel 5.15.0-56 (stable)
> Monitor Samsung U32R592CWU UHD 4K (3.840 x 2.160 Pixel, VA-Panel, 16:9 Format, 60 Hz, 4ms)
>
> What I have issues with (In this issue I'll only report on topic 1):
>
> 1) External Monitor
> 2) Touchscreen not working after suspend by closing lid; suspend only works once
> 3) Integrated keyboard only works with Kernel 6 (Mainline) (kind of solved)
>
> I tested multiple ways connecting external monitors, each of them only working to some extent:
> i) directly via HDMI port of Notebook
> ii) via Lenovo Thinkpad Thunderbolt 3 Dock 40AC DisplayPort or HDMI (preferred solution)
> iii) via an Razer Core X eGPU with Radeon RX570 DisplayPort or HDMI
>
> Problems/
> 1) DP/HDMI via Dock mostly not working (exception see point 3). USB via Dock works however.
> 2) Booting with HDMI connected to Dock on Kernel 6 stalls. When unplugging the monitor the boot process immediately resumes successfully.
> 3) Booting with HDMI connected to Dock on Kernel 5 brings up the screen, after that Hot Plug is also working, even DP
> 4) Booting with DP connected to Dock on Kernel 5 does not bring up the screen, neither after Hot-Plug of HDMI or DP
> 5) Booting without Monitor connected on Kernel 5 does not bring up the screen on Hot Plug, neither HDMI nor DP
> 6) Hot Plugging the monitors (way i and iii) sometimes freezes the system, needs hard reset.
> 7) Turning off or disconnecting TB cable of eGPU may also cause a freeze (as this also disconnects the monitor it may have the same cause as 2)
>
> So to sum it up: External Screens via this Docking Stations is only
> working on Kernel 5 when the monitor is connected via HDMI during
> boot, but not in any other case.
>
> Side observations:
> 1) The USB devices connected to the TB3 Dock come up very slowly after hot plugging the TB3 connector to the Notebook.
> 2) Mouse cursor (external mouse connected to Dock) hangs from time to time on Kernel 5.
>
> Please notify me if you need further logs. The automatically collected
> logs were captured in situation 2 above. You'll see the gap in the
> timestamps of th DMESG output.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 22.04
> Package: xorg 1:7.7+23ubuntu2
> Uname: Linux 6.0.9-060009-
> ApportVersion: 2.20.11-0ubuntu82.2
> Architecture: amd64
> BootLog: Error: [Errno 13] Keine Berechtigung: '/var/log/boot.log'
> CasperMD5CheckR
> CompositorRunning: None
> CurrentDesktop: MATE
> Date: Sat Dec 3 18:10:13 2022
> DistUpgraded: Fresh install
> DistroCodename: jammy
> DistroVariant: ubuntu
> ExtraDebuggingI
> GraphicsCard:
> Advanced Micro Devices, Inc. [AMD/ATI] Rembrandt [1002:1681] (rev c1) (prog-if 00 [VGA controller])
> Subsystem: Lenovo Device [17aa:3801]
> InstallationDate: Installed on 2022-11-23 (9 days ago)
> InstallationMedia: Ubuntu-MATE 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
> MachineType: LENOVO 82QF
> ProcKernelCmdLine: BOOT_IMAGE=
> SourcePackage: xorg
> Symptom: display
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 08/19/2022
> dmi.bios.release: 1.34
> dmi.bios.vendor: LENOVO
> dmi.bios.version: K5CN34WW
> dmi.board.
> dmi.board.name: LNVNB161216
> dmi.board.vendor: LENOVO
> dmi.board.version: SDK0T76461 WIN
> dmi.chassis.
> dmi.chassis.type: 31
> dmi.chassis.vendor: LENOVO
> dmi.chassis.
> dmi.ec.
> dmi.modalias: dmi:bvnLENOVO:
> dmi.product.family: Yoga 7 14ARB7
> dmi.product.name: 82QF
> dmi.product.sku: LENOVO_
> dmi.product.
> dmi.sys.vendor: LENOVO
> version.compiz: compiz N/A
> version.libdrm2: libdrm2 2.4.110-1ubuntu1
> version.
> version.
> version.
> version.
> version.
> version.
> version.
>
> To manage notifications about this bug go to:
> https:/