ubuntustudio-bugs team mailing list archive

[Dimitri John Ledkov <1884915@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

ubuntustudio-default-settings recommends linux-lowlatency thus breaking
ubuntustudio focal image building

$ reverse-depends linux-lowlatency
Reverse-Recommends
* ubuntustudio-lowlatency-settings

Reverse-Depends
* linux-lowlatency-hwe-18.04 [amd64]
* linux-lowlatency-hwe-18.04-edge [amd64]

Packages without architectures listed are reverse-dependencies in:
amd64, arm64, armhf, i386, ppc64el, s390x


Seeded packages in the Ubuntu archive must not depend on the linux kernel. Installation, and defaultness of a kernel flavour must be handled externally using livecd-rootfs kernel flavour picking, or some other dynamic configuration.

The above resulted in transitevely linux-lowlatency packages getting
pulled into the ubuntustudio task, without a blacklist. Which means that
ABI encoded packages gain Task: ubuntustudio-desktop, and instead of
only installing/tracking the latest kernel, the ancient
5.4.0-16-lowlatency abi is also installed, and then production of daily
focal isos fails, as there are two lowlatency kernels on the media.

$ reverse-depends linux-lowlatency
Reverse-Recommends
* ubuntustudio-lowlatency-settings

Reverse-Depends
* linux-lowlatency-hwe-18.04 [amd64]
* linux-lowlatency-hwe-18.04-edge [amd64]

Packages without architectures listed are reverse-dependencies in:
amd64, arm64, armhf, i386, ppc64el, s390x

$ apt-cache show -a linux*lowlatency | grep -e Package -e Task
...
Package: linux-headers-5.4.0-26-lowlatency
Task: ubuntustudio-desktop
...

If the dependency is desired, that is ok, as long as the abi encoded
packages are blacklisted in the seed similar to the !linux-image-*
stanza.

** Affects: ubuntustudio-default-settings (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ubuntustudio-meta (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: ubuntustudio-meta (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1884915

Title:
  ubuntustudio-default-settings recommends linux-lowlatency thus
  breaking ubuntustudio focal image building

Status in ubuntustudio-default-settings package in Ubuntu:
  New
Status in ubuntustudio-meta package in Ubuntu:
  New

Bug description:
  ubuntustudio-default-settings recommends linux-lowlatency thus
  breaking ubuntustudio focal image building

  $ reverse-depends linux-lowlatency
  Reverse-Recommends
  * ubuntustudio-lowlatency-settings

  Reverse-Depends
  * linux-lowlatency-hwe-18.04 [amd64]
  * linux-lowlatency-hwe-18.04-edge [amd64]

  Packages without architectures listed are reverse-dependencies in:
  amd64, arm64, armhf, i386, ppc64el, s390x

  
  Seeded packages in the Ubuntu archive must not depend on the linux kernel. Installation, and defaultness of a kernel flavour must be handled externally using livecd-rootfs kernel flavour picking, or some other dynamic configuration.

  The above resulted in transitevely linux-lowlatency packages getting
  pulled into the ubuntustudio task, without a blacklist. Which means
  that ABI encoded packages gain Task: ubuntustudio-desktop, and instead
  of only installing/tracking the latest kernel, the ancient
  5.4.0-16-lowlatency abi is also installed, and then production of
  daily focal isos fails, as there are two lowlatency kernels on the
  media.

  $ reverse-depends linux-lowlatency
  Reverse-Recommends
  * ubuntustudio-lowlatency-settings

  Reverse-Depends
  * linux-lowlatency-hwe-18.04 [amd64]
  * linux-lowlatency-hwe-18.04-edge [amd64]

  Packages without architectures listed are reverse-dependencies in:
  amd64, arm64, armhf, i386, ppc64el, s390x

  $ apt-cache show -a linux*lowlatency | grep -e Package -e Task
  ...
  Package: linux-headers-5.4.0-26-lowlatency
  Task: ubuntustudio-desktop
  ...

  If the dependency is desired, that is ok, as long as the abi encoded
  packages are blacklisted in the seed similar to the !linux-image-*
  stanza.

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