[Bug 2084191] Re: [X1E] Request: Add support for Lenovo Yoga Slim 7x

[Carlo Lazzerini]

@Tobias

I will not be able to get you the data you requested for assessing the
battery life issue.  Plucky and older Ubuntu concept ISOs do not
register my NVMe drive for installation anymore, so I cannot get the
firmware installed to enable the power management functionality to work
with a running system. I tried first, middle, and last ISO from oracular
and plucky.  Questing I was able to verify the battery life issue is
present.

Its pretty crazy that max battery life at 50% display power, no
applications loaded on a fresh login, with no interaction with the
system gets 7 hours battery battery life at 100% battery starting point.
If I do anything on the laptop, like browsing the web it drops to about
4 hours battery life.  I verified this with the system settings
estimator and manually using time and percentage calculations.

If you have any ideas on how I can get you the data you need please let
me know and I will give it a shot.

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https://bugs.launchpad.net/bugs/2084191

Title:
   [X1E] Request: Add support for Lenovo Yoga Slim 7x

Status in ubuntu-concept:
  Confirmed

Bug description:
  Add support for the Snapdragon X Elite powered Lenovo Yoga Slim 7x

  === Device Information ===

  Manufacturer: LENOVO
  Product Name: 83ED
  Version: Yoga Slim 714Q8X9

  === Kernel + DTB ===

  Live environment and installation work.

  === Known Issues ===

  1) Unable to boot with secure boot enabled
  Workaround: Disable secure boot using FN+F2 during device boot

  2) Blank screen on installer boot up
  Workaround: Restart manually with power button. May take up to 2 reboots to resolve.

  3) Initial GNOME installer window broken/flickering
  Workaround: set display scale to 100% (settings->displays)

  4) Install along side Windows fails on Bitlocker enabled error
  Workaround: Reboot and install with manual partitioning

  5) Keyboard not functioning in Grub boot menu post installation
  Fix: See possible and unverified fix in comment from Carlo Lazzerini dated 2024-10-21
  Workaround: Wait for the time to run out and the default (Ubuntu) item will execute. Use FN+F12 to pick between Windows/Ubuntu using BIOS boot menu

  6) Video card functioning slowly and battery indicator not working
  Fix: install firmware with qcom-firmware-extract manually

  7) Firmware install failing with Bitlocker encrypted Windows volumn
  Workaround: Manually mount Windows volume with GNOME Files app

  7) Bluetooth not functioning
  Fix: None

  8) Sound not functioning
  Fix: None for laptop
  Workaround) Attach an external audio device (eg. usb headphones)

  9) External display not detected
  Fix: None

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