lttng-modules/2.12.2-1ubuntu1~20.04.2 ADT test failure with linux-hwe-5.11/5.11.0-20.21~20.04.1

I've just created a ppa with the latest lttng-modules-dkms from impish recompiled for focal

https://launchpad.net/~arighi/+archive/ubuntu/lttng/

And tested (ubuntu_lttng_smoke_test) with the 5.11 hwe and 5.4 kernels. Everything looks good with both kernels.

The debdiff in attach (against the impish version) only contains the changelog entry to backport the version from impish to focal.

Bad debdiff, ignore it for now, new debdiff incoming.

New debdiff for the backport from impish to focal in attach.

Changelog entries in the #3 debdiff are in the wrong order.

The 2.12.2-1ubuntu1~20.04* entreis should be just above the other 2.12.2 entries.

Such that when build is done with -v2.12.5-1ubuntu1~20.04.2 all changelog entries since 2.12.2 are included, i.e. all the v2.12.5 from impish and etc.

Will redo this before the upload.

Please provide SRU paperwork as per https://wiki.ubuntu.com/StableReleaseUpdates#SRU_Bug_Template

I think a more appropriate and less confusing version number would be 2.12.5-1ubuntu2~20.04.1 given that its a backport of 2.12.5-1ubuntu2 (in Impish) and ~20.04.1 since its the appearance of 2.12.5 in Focal.

Additionally, are there any plans to update the version of lttng-modules in Hirsute? I ask given that Ubuntu 20.04 LTS systems will be able to upgrade Ubuntu 21.04.

I went ahead and uploaded the version number that makes me happier to the PPA (https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4630) but it seems to have only built for amd64. (OMG that's what its supposed to do - time to slow my roll.)

Hello Kleber, or anyone else affected,

Accepted lttng-modules into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/lttng-modules/2.12.5-1ubuntu2~20.04.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

I also agree that maybe we should get the same package backported to hirsute?

I verified lttng-modules 2.12.5-1ubuntu2~20.04.1 build, install and basic functionality in a Focal VM running both generic 5.4 and hwe-5.11 kernels.

autopkgtests with both kernels also completed successfully:

* hwe-5.11
  - amd64: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/l/lttng-modules/20210727_163927_ce8c0@/log.gz
  - arm64: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/arm64/l/lttng-modules/20210727_163709_bdf0f@/log.gz
  - ppc64el: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/ppc64el/l/lttng-modules/20210727_163437_883e8@/log.gz
  - s390x: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/s390x/l/lttng-modules/20210727_163019_9d43f@/log.gz

* generic (5.4)
  - amd64: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/l/lttng-modules/20210727_122206_6ae80@/log.gz
  - arm64: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/arm64/l/lttng-modules/20210727_121907_6ae80@/log.gz
  - ppc64el: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/ppc64el/l/lttng-modules/20210727_121636_6ae80@/log.gz
  - s390x: https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/s390x/l/lttng-modules/20210727_121307_6ae80@/log.gz

lttng-modules 2.12.5-1ubuntu2~21.04.1 in hirsute-proposed unapproved queue

Hello Kleber, or anyone else affected,

Accepted lttng-modules into hirsute-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/lttng-modules/2.12.5-1ubuntu2~21.04.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-hirsute to verification-done-hirsute. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-hirsute. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

This is quite a lot of changes, and there's always risk of regressing existing GA kernel users. But seeing that most of our users are on HWE kernels, I'm thinking about just releasing this early - to unblock the kernel cycle for .3.

So, even though that's not super safe, I'll be conditionally releasing this before the 7-day aging period.

This bug was fixed in the package lttng-modules - 2.12.5-1ubuntu2~20.04.1

---------------
lttng-modules (2.12.5-1ubuntu2~20.04.1) focal; urgency=medium

  * Use Impish version of lttng-modules with Focal (LP: #1932165).

lttng-modules (2.12.5-1ubuntu2) impish; urgency=medium

  * Cherry picks support for kernel v5.13 from upstream/stable-2.12

lttng-modules (2.12.5-1ubuntu1) impish; urgency=medium

  * Cherry picks support for kernel v5.12 from upstream/stable-2.12

lttng-modules (2.12.5-1) unstable; urgency=medium

  * [8e0b514] New upstream version 2.12.5
  * [9feae13] Refreshed patches
  * Add support for kernel v5.11
  * Add support for stable branch kernels with sublevel >=256

lttng-modules (2.12.4-1) unstable; urgency=medium

  * [46f9e6c] New upstream version 2.12.4

lttng-modules (2.12.3-1) unstable; urgency=medium

  * [5674e6f] New upstream version 2.12.3

 -- Andrea Righi <email address hidden> Tue, 13 Jul 2021 12:07:28 +0000

The verification of the Stable Release Update for lttng-modules has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

Confirmed that lttng-modules-dkms 2.12.5-1ubuntu2~21.04.1 in hirsute-proposed can be installed, build and loaded successfully:

$ dkms status
lttng-modules, 2.12.5, 5.11.0-33-generic, x86_64: installed

$ lsmod | grep "^lttng" | awk '{ print $1 }'
lttng_test
lttng_ring_buffer_metadata_mmap_client
lttng_ring_buffer_metadata_client
lttng_ring_buffer_client_overwrite
lttng_ring_buffer_client_mmap_overwrite
lttng_ring_buffer_client_mmap_discard
lttng_ring_buffer_client_discard
lttng_probe_writeback
lttng_probe_workqueue
lttng_probe_vmscan
lttng_probe_v4l2
lttng_probe_udp
lttng_probe_timer
lttng_probe_sunrpc
lttng_probe_statedump
lttng_probe_sock
lttng_probe_skb
lttng_probe_signal
lttng_probe_scsi
lttng_probe_sched
lttng_probe_regulator
lttng_probe_rcu
lttng_probe_random
lttng_probe_printk
lttng_probe_power
lttng_probe_net
lttng_probe_napi
lttng_probe_module
lttng_probe_kvm
lttng_probe_kmem
lttng_probe_jbd2
lttng_probe_irq
lttng_probe_gpio
lttng_probe_compaction
lttng_probe_block
lttng_probe_asoc
lttng_probe_9p
lttng_tracer
lttng_statedump
lttng_wrapper
lttng_uprobes
lttng_lib_ring_buffer
lttng_kretprobes
lttng_kprobes
lttng_clock_plugin_test
lttng_clock

autopkgtest also completed successfully:

amd64 - https://autopkgtest.ubuntu.com/results/autopkgtest-hirsute/hirsute/amd64/l/lttng-modules/20210827_092600_f29e1@/log.gz
arm64 - https://autopkgtest.ubuntu.com/results/autopkgtest-hirsute/hirsute/arm64/l/lttng-modules/20210827_093210_e3a3a@/log.gz
admhf - not supported
ppc64el - https://autopkgtest.ubuntu.com/results/autopkgtest-hirsute/hirsute/ppc64el/l/lttng-modules/20210827_092927_f29e1@/log.gz
s390x - https://autopkgtest.ubuntu.com/results/autopkgtest-hirsute/hirsute/s390x/l/lttng-modules/20210827_091858_e3a3a@/log.gz

Thanks!

This bug was fixed in the package lttng-modules - 2.12.5-1ubuntu2~21.04.1

---------------
lttng-modules (2.12.5-1ubuntu2~21.04.1) hirsute; urgency=medium

  * Use Impish version of lttng-modules with Hirsute (LP: #1932165).

lttng-modules (2.12.5-1ubuntu2) impish; urgency=medium

  * Cherry picks support for kernel v5.13 from upstream/stable-2.12

lttng-modules (2.12.5-1ubuntu1) impish; urgency=medium

  * Cherry picks support for kernel v5.12 from upstream/stable-2.12

lttng-modules (2.12.5-1) unstable; urgency=medium

  * [8e0b514] New upstream version 2.12.5
  * [9feae13] Refreshed patches
  * Add support for kernel v5.11
  * Add support for stable branch kernels with sublevel >=256

lttng-modules (2.12.4-1) unstable; urgency=medium

  * [46f9e6c] New upstream version 2.12.4

lttng-modules (2.12.3-1) unstable; urgency=medium

  * [5674e6f] New upstream version 2.12.3

 -- Andrea Righi <email address hidden> Tue, 13 Jul 2021 12:07:28 +0000