1 Intro 0:27
2 Who am I Tsugikazu SHIBATA, NEC • Founder and project lead of Long Term Support Initiative (LTSI) that will help industry people to use Long Term Stable kernel with helpful activities. • Involved Lin… 0:53
3 Linux is running everywhere Linux is running for multiple use cases - NYSE, London, Tokyo Stock Exchange - Amazon, Google, Facebook, Twitter - Android, TV, Camera, Router, Car navigation • Supports m… 4:18
4 Linux development policy • Upstream is only the place to accept the patches - Reviewed by skilled maintainer - Tested with other proposals to confirm no conflicts - Follow the development process 0:57
5 Linux Development process • Just after the release of 4., two weeks of merge window will be opened for proposal of new features • After 2 weeks of merge window, -rch will be released and the stabiliz… 1:08
6 Kernel release cycle • Release cycle of Linux kernel is about 65days 2:22
7 Status of Latest Linux kernel Again • Latest released Kernel: 4.8 • Current Stable Kernel: 4.8.1 . Current development kernel in the merge window for 4.9-rci 1:26
8 LTS: Long Term Stable Kernel • Kernel tree continue to back port bug and Security fixes • Extended maintenance period for stable kernel • Pick one version per year and maintain 2 years 0:41
9 Why LTS? . Only the tree to get fixes from the community • In the real use case, tested/confirmed kernel is important, less important for new features • Fixes will be released # of times and should b… 5:07
10 Open Source community to create and maintain Linux kernel for long term -Based on LTS - Add another chance to include further patches on 0:46
11 LTSI Add vendor required features Share status, info, problem among industry people Huge testing by contributors Auto test framework Provide help to developer for upstream LTS Release 1 version/year,… 0:49
12 History of LTSI • Established 2011 - 5 yeas now -Started for stable Kernel for Android • Integrated by Yocto (2012, May) • Have had a workshop/session to share information and discuss issue among ind… 1:36
13 Shape of LTSI Project • Small staff to coordinate workshop, session at LF conference • Maintainer: Greg Kroah-Hartman, Fellow of Linux Foundation • Working with upstream Linux Community • Keeping neu… 2:52
14 LTSI as a part of Distro • Yocto project has a normal option to use LTSI - You can create your own distribution with LTSI - Yocto is doing their own tests for the distribution with LTSI. Both build d… 0:48
15 Fuego: Auto test package • Jenkins based auto test packages (using Docker) - Distributed under 3-clause BSD license - Over 50 test packages included with Web based 1:11
16 Use Case: Automotive Grade Linux • Developing reference implementation called UCB (Unified Code Base) distribution v1.0 using LTSI 3.14 kernel - AGL/UCB is using Yocto and LTSI • Have had a demonstra… 1:27
17 Use Case: Civil Infrastructure Platform • Established Feb 2016, by Toshiba, Hitachi, Siemens and others to create reference distribution for Civil infrastructure • One of major requirement includes S… 3:52
18 LTSI Schedule expectation • Kernel Summit 2016 will be the time to decide LTS version