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apport-collect 1981518

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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1981518

Title:
  kubuntu 20.04: kernel hwe 5.15.0 hangs at Loading initial ramdisk

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have installed a hwe kernel in my kubuntu 20.04.
   I needed to do that because using the standard kernel caused random freezes.
  It has been working pretty well for long time even after changing a couple of 
kernel versions, the last working one being 5.13.0.

  Now there came another version 5.15.0 after a normal update. After
  reboot the system hangs at "Loading initial ramdisk"!

  Booting 5.13.0 still works fine.

  I have tried to rebuild initramfs, reinstall the nvidia drivers,
  update-grub. No success

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