[Bug 1890797] Re: Can not load essential driver for HWE kernel on 20200806.1 arm64 bionic ISO

[Ike Panhc]

In 20200806.1 arm64 server ISO, HWE udebs are only available in
"pool/main/l/linux-hwe" but it shall be "pool/main/l/linux-hwe-5.4"

$ find . -name 'usb-modules*udeb'
./pool/main/l/linux/usb-modules-4.15.0-112-generic-di_4.15.0-112.113_arm64.udeb
./pool/main/l/linux/usb-modules-4.15.0-76-generic-di_4.15.0-76.86_arm64.udeb
./pool/main/l/linux-hwe/usb-modules-5.3.0-28-generic-di_5.3.0-28.30~18.04.1_arm64.udeb
./pool/main/l/linux-hwe/usb-modules-5.3.0-64-generic-di_5.3.0-64.58~18.04.1_arm64.udeb

Same issue also exists on amd64 images


** Summary changed:

- Can not load essential driver for HWE kernel on 20200806.1 arm64 bionic ISO
+ Can not load essential driver for HWE kernel on 20200806.1 bionic ISO

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Title:
  Can not load essential driver for HWE kernel on 20200806.1 bionic ISO

Status in debian-installer package in Ubuntu:
  New
Status in debian-installer source package in Bionic:
  New

Bug description:
  With arm64 image proposed for 18.04.5, when select HWE kernel and
  install from grub menu, installer can not find needed kernel driver
  for ethernet including mlx5, hns3.

  There is no such issue when using 4.15 kernel or with 18.04.4 ISO and
  5.3 HWE kernel.

  ISO fails to load driver with HWE kernel:
  http://cdimage.ubuntu.com/ubuntu-server/bionic/daily/20200806.1/bionic-server-arm64.iso

  ISO success to load driver with HWE kernel:
  http://cdimage.ubuntu.com/releases/18.04.4/release/ubuntu-18.04.4-server-arm64.iso

  In the 20200806.1 arm64 server ISO, it is still with 5.3 udebs

  $ find pool -name '*5.3*.udeb'
  pool/main/l/linux-hwe/block-modules-5.3.0-28-generic-di_5.3.0-28.30~18.04.1_arm64.udeb
  pool/main/l/linux-hwe/block-modules-5.3.0-64-generic-di_5.3.0-64.58~18.04.1_arm64.udeb
  pool/main/l/linux-hwe/crypto-modules-5.3.0-28-generic-di_5.3.0-28.30~18.04.1_arm64.udeb
  pool/main/l/linux-hwe/crypto-modules-5.3.0-64-generic-di_5.3.0-64.58~18.04.1_arm64.udeb
  pool/main/l/linux-hwe/fat-modules-5.3.0-28-generic-di_5.3.0-28.30~18.04.1_arm64.udeb
  pool/main/l/linux-hwe/fat-modules-5.3.0-64-generic-di_5.3.0-64.58~18.04.1_arm64.udeb

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