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Joseph Salisbury

Minutes from the Ubuntu Kernel Team meeting, 2012-01-03

January 3rd, 2012 by Joseph Salisbury
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Meeting Minutes

IRC Log of the meeting.

Meeting minutes.

Agenda

20120103 Meeting Agenda


ARM Status

P/omap4: nothing new to report this week.


Release Metrics and Incoming Bugs

Release metrics and incomming bug data can be reviewed at the following link:
Incomming bug data.


Milestone Targeted Work Items

If your name is in the above table, please review your Alpha-2 work items. Note that Alpha-2 is Thurs Feb 2.

   apw    hardware-p-kernel-boot    1 work item   
      hardware-p-kernel-config-review    7 work items   
      hardware-p-kernel-delta-review    4 work items   
      foundations-p-ipv6    1 work item   
   cking    hardware-p-kernel-delta-review    1 work item   
   jsalisbury    other-p-bug-workflows    1 work item   
   ogasawara    hardware-p-kernel-version-and-flavors    1 work item   
      hardware-p-kernel-config-review    10 work items   
   tgardner    hardware-p-kernel-delta-review    1 work item   


Blueprint: hardware-p-kernel-power-management

Power Management:

  • Write up results from wake events analysis and file lots of bugs

    http://zinc.canonical.com/~cking/power-benchmarking/events/

  • Write cpustat: git://kernel.ubuntu.com/cking/cpustat.git
    Test CPU utilization, results:

    http://zinc.canonical.com/~cking/power-benchmarking/cpu/

  • Investigate MSR_IA32_ENERGY_PERF_BIAS on sandybridge, no +ve results
    need to rig up Ivybridge desktop to sanity check this.
  • LP#911325 – new pm-utils scripts to save power
  • Collect power measurements on Hardy, Lucid, Maverick, Natty, Oneiric, Precise


Status: Precise Development Kernel

Over the holiday break we rebased to v3.2-rc7 and uploaded. Aside from that not much else has been done.
Important Upcoming Dates:

  • Thurs Feb 2 – Alpha 2 (~4 weeks)


Status: CVE’s

=== CVE Metrics ===

Currently open CVEs for each supported branch:

We have had two new CVEs added to the matrix since the last report. Two of those without upstream fixes have had those identified and have been triaged to specific releases.

   Package    Open   
        
   linux Hardy    10 (-3)   
   linux Lucid    7 (-3)   
   linux Maverick    8 (-2)   
   linux Natty    9 (-1)   
   linux Oneiric    7 (-1)   
   linux Precise    6 (-2)   
   linux-ec2 Lucid    7 (-3)   
   linux-fsl-imx51 Lucid    7 (-4)   
   linux-mvl-dove Lucid    7 (-3)   
   linux-mvl-dove Maverick    7 (-3)   
   linux-ti-omap4 Maverick    9 (-2)   
   linux-ti-omap4 Natty    9 (-1)   
   linux-ti-omap4 Oneiric    7 (-1)   
   linux-ti-omap4 Precise    6 (-2)   
   linux-lts-backport-maverick Lucid    8 (-2)   
   linux-lts-backport-natty Lucid    9 (-1)   
   linux-lts-backport-oneiric Lucid    7 (-1)   


Status: Stable, Security, and Bugfix Kernel Updates – Oneiric/Natty/Maverick/Lucid/Hardy

Here is the status for the main kernels, until today (19/12):

  • Hardy – 2.6.24-30.98

    • New kernel, now in verification. Contains commits for 5 CVEs.

  • Lucid – 2.6.32-38.82

    • New kernel, waiting to be copied to -proposed. Contains a stable upstream
      release as well as some CVEs. This also turns CONFIG_NET_NS back on.

  • Maverick – 2.6.35-32.64

    • New kernel, waiting to be copied to -proposed. Contains a rare, stable
      upstream release as well as some CVEs.

  • Natty – 2.6.38-13.53

    • New kernel, now being built.

  • Oneiric – 3.0.0-15.25

    • New kernel, now in verification. A regression was identified in the
      previous -proposed kernel (bug 904569). The offending commit was reverted
  • Launchpad bug 904569 in linux (Ubuntu Oneiric) “Linux 3.0.0-15 causes laptops to fail to resume from suspend (Dell XPS 1645, Sony Vaio VPCF1390)” [Undecided,In progress]
    and this kernel produced.

    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

The meeting on January 07, 2012 will be cancelled due to the engineering rally.

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