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-   -   Minutes from the Ubuntu Kernel Team meeting, 2012-03-27 (http://www.linux-archive.org/ubuntu-kernel-team/649499-minutes-ubuntu-kernel-team-meeting-2012-03-27-a.html)

Joseph Salisbury 03-27-2012 05:20 PM

Minutes from the Ubuntu Kernel Team meeting, 2012-03-27
 
= Meeting Minutes =
[[http://irclogs.ubuntu.com/2012/03/27/%23ubuntu-meeting.txt|IRC Log of
the meeting.]]
[[http://voices.canonical.com/kernelteam|Meeting minutes.]]

== Agenda ==
[[https://wiki.ubuntu.com/KernelTeam/Meeting#Tues, 27 Mar, 2012|20120327
Meeting Agenda]]


=== ARM Status ===
P/omap4: since a critical bug (lp963512 - "Latest kernel updates broke
video on omap4") was affecting 3.2.0-1410.13, for beta2 the kernel was
reverted to a previous working version (3.2.0-1409.12). AFAIK the
regression came with latest rebase on master (3.2.1[0-2]) while the TI
BSP was unchanged - so it's either a bad interaction between upstream/TI
BSP or it's a and new bug we got from upstream.
lp956693 ("Broken perf with Ubuntu-3.2.0-1408.11 at Pandaboard"): one
of the patch from Linaro tried to enable perf hw support but it wasn't
ready for prime, reverting it gave us perf ba
ck in a working shape.
lp666267("Cross compiled headers package breaks DKMS compilation"): two
patches that address this issue were resurrected from O and ported to P,
scripts/* are correctly cross compiled no
w.

=== Release Metrics and Incoming Bugs ===
Release metrics and incoming bug data can be reviewed at the following
link:
http://people.canonical.com/~kernel/reports/kt-meeting.txt

=== Milestone Targeted Work Items ===
|| apw || hardware-p-kernel-boot || 4 work items ||
|| || hardware-p-kernel-config-review || 1 work items ||
|| || hardware-p-kernel-delta-review || 3 work items ||


=== Blueprint: hardware-p-kernel-power-management ===
Power management:
* hdparm spin up/down measurements

http://zinc.canonical.com/~cking/power-benchmarking/hdparm-spindown-settings
* Going to re-measure unity 2d vs 3d fairly soon.

=== Status: Precise Development Kernel ===
We are currently frozen for the upcoming Beta-2 release this Thurs, Mar
29. Only fixes critical for the release will warrent an upload at this
time. We just uploaded 3.2.0-23.33 which contains a critical fix for
bug 961482.
We plan to upload all other queued patches immediately following the
release on Thurs. Note that Kernel Freeze is next Thurs
Apr 5. I intend to upload our final kernel no later than Tues Apr 3.
If there are any patches which need to land, submit them immediately.
After Kernel Freeze, all patches are subject to our SRU policy:
https://wiki.ubuntu.com/Kernel/Dev/StablePatchFormat
Important upcoming dates:
* Thurs Mar 29 - Beta-2 (~2 days)
* Thurs Apr 5 - Kernel Freeze (~1 week)

=== Status: CVE's ===
Currently we have 71 CVEs on our radar, with no new CVEs added this week.
See the CVE matrix for the current list:
http://people.canonical.com/~kernel/cve/pkg/ALL-linux.html

Broadly the backlog is unchanged this week:
http://people.canonical.com/~kernel/status/cve-metrics.txt
http://people.canonical.com/~kernel/cve/pkg/CVE-linux.txt


=== Status: Stable, Security, and Bugfix Kernel Updates -
Oneiric/Natty/Maverick/Lucid/Hardy ===
Here is the status for the main kernels, until today (Mar. 27):

* Hardy - 2.6.24-31.101 - Being prep'd; Fix for a single warning.
* Lucid - 2.6.32-41.88 - Being prep'd; 52 commits in total.
* Maverick - 2.6.35-32.68 - Being prep'd; 9 commits in total. NOTE:
THIS IS THE LAST MAVERICK KERNEL!
* Natty - 2.6.38-14.58 - Being prep'd; 12 commits in total. Mostly
eCryptfs and KVM.
* Oneiric - 3.0.0-17.30 - Being prep'd; 4 stable upstream releases
(194 commits).

Current opened tracking bugs details:
* http://people.canonical.com/~kernel/reports/kernel-sru-workflow.html

For SRUs, SRU report is a good source of information:
* http://people.canonical.com/~kernel/reports/sru-report.html

Future stable cadence cycles:
* https://wiki.ubuntu.com/PrecisePangolin/ReleaseInterlock

=== Open Discussion or Questions? Raise your hand to be recognized ===
No open discussion.

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