Public bug reported:
SRU Justification
Impact: Our kernel packaging currently has support for backporting
kernels to older releases. This includes appending ~BACKPORT_SUFFIX to
the version string for the backport kernel, where BACKPORT_SUFFIX is
defined in update.conf. We need to start doing similar forward ported
kernels, but BACKPORT_SUFFIX should be appended using a + rather than a
~. Our kernel packaging cannot easily determine whether a + or a ~ is
appropriate.
Fix: Move the leading character into BACKPORT_SUFFIX, and do not insert
any leading characters from the kernel packaging scripts. Since the
script which generates update.conf has access to information from
kernel-series, it can more easily determine whether + or ~ is the
appropriate leader.
Test Case: Run through the normal steps for updating a backport kernel.
The version string generated should have ~SERIES for a backport to an
older series, and +SERIES for a backport to a newer series.
Regression Potential: Backport kernels could end up with an incorrect
version strings. Since all kernel uploads undergo review, any such
errors should be caught before uploading.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Seth Forshee (sforshee)
Status: In Progress
** Affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Hirsute)
Importance: Medium
Assignee: Seth Forshee (sforshee)
Status: In Progress
** Also affects: linux (Ubuntu Hirsute)
Importance: Medium
Assignee: Seth Forshee (sforshee)
Status: In Progress
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1902957
Title:
Update kernel packaging to support forward porting kernels
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Precise:
New
Status in linux source package in Trusty:
New
Status in linux source package in Xenial:
New
Status in linux source package in Bionic:
New
Status in linux source package in Focal:
New
Status in linux source package in Groovy:
New
Status in linux source package in Hirsute:
In Progress
Bug description:
SRU Justification
Impact: Our kernel packaging currently has support for backporting
kernels to older releases. This includes appending ~BACKPORT_SUFFIX to
the version string for the backport kernel, where BACKPORT_SUFFIX is
defined in update.conf. We need to start doing similar forward ported
kernels, but BACKPORT_SUFFIX should be appended using a + rather than
a ~. Our kernel packaging cannot easily determine whether a + or a ~
is appropriate.
Fix: Move the leading character into BACKPORT_SUFFIX, and do not
insert any leading characters from the kernel packaging scripts. Since
the script which generates update.conf has access to information from
kernel-series, it can more easily determine whether + or ~ is the
appropriate leader.
Test Case: Run through the normal steps for updating a backport
kernel. The version string generated should have ~SERIES for a
backport to an older series, and +SERIES for a backport to a newer
series.
Regression Potential: Backport kernels could end up with an incorrect
version strings. Since all kernel uploads undergo review, any such
errors should be caught before uploading.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1902957/+subscriptions
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