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Message #09725
[Bug 1884915] Re: ubuntustudio-default-settings recommends linux-lowlatency thus breaking ubuntustudio focal image building
** Changed in: ubuntustudio-default-settings (Ubuntu)
Status: Fix Committed => Fix Released
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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 live-build package in Ubuntu:
New
Status in livecd-rootfs package in Ubuntu:
New
Status in ubuntustudio-default-settings package in Ubuntu:
Fix Released
Status in ubuntustudio-meta package in Ubuntu:
Invalid
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.
see https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/focal/ubuntustudio/
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References