Japan Technical Jamboree 15

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Jul. 12, 2007

Notice / お知らせ

NOTE: This is a paste of the html page of the last snapshot of this page from the internet archive of the old tree.celinuxforum.org wiki:

Introduction The Japan Technical Jamboree is a forum-wide technical meeting of the CE Linux Forum. This meeting will be located conveniently in Japan and use Japanese as the native language of the event. Attendance is not limited to the CELF members, but is open to all. Everyone who is interested in embedded Linux technologies is welcomed. There is no admission fee. A general guidance page is available. JapanTechnicalJamboreeGuidance (Japanese/English)

Coordinators: (Your inquiries in English welcome). Hisao Munakata (munakata.hisao(a)renesas.com) Satoru Ueda (Satoru.Ueda(a)jp.sony.com) 前回のWiki / Previous Jamboree Wiki Page JapanTechnicalJamboree14

今回のハイライト / Main session Ottawa Linux Symposium 2007を振り返って / Review OLS 2007 Table Of Contents Contents

Introduction Coordinators: (Your inquiries in English welcome). 前回のWiki / Previous Jamboree Wiki Page 今回のハイライト / Main session Table Of Contents Date and Place Registration 進行の目安 / Agenda Discussion Items Special Session Open Source Patch and Feature Watch General Session Project Update Session デモンストレーション / Demonstration はじめて参加される方に(For Newcomers) お知らせ / Notice ライブレポート

Date and Place 7月12日（木） / July 12th (Thu), 2007

/!\ 会場手配の都合で今回は木曜に開催します。また6月最終週がOLSと重なりますのでこの日にしました。

From 10:00am to 6pm（会議室は9時まで予約してあります/ Meeting room booked until 9 pm.） Venue

Nakano Sun Plaza

Homepage (Japanese)

English page is not available, however it is very easy to access. Just near by of "Nakano" station, JR Chuo Line and Tokyo Metro (Subway) Tozai Line. The Nakano station is on the Chuo main line, west of Shinjuku station. Here is a Japan Railways map of the Tokyo area

場所：中野サンプラザHomepage Location: Nakano Sun Plaza

JR中央線・東京メトロ東西線中野駅北口すぐ Good News!: この会場ではインターネットへのフリーアクセスが可能です。当日はWireless LANを設置します。(Free access to the Internet is available. Wireless Lan will be set up on the day.)

電源延長ケーブルをお持ちの方はご持参ください。(Come with your AC power extension cable if possible) 楽な服装でどうぞ。 Registration 参加登録は、こちらのページから。

/!\ 参加登録は大まかな参加人数把握のためにお願いしています。入力をされても確認メールは発信されません。

Registration site is here.

進行の目安 / Agenda 時間 / Time

内容 / Session Title

資料 / Materials http://tree.celinuxforum.org/CelfPubWiki/JapanTechnicalJamboreeGuidance?action=AttachFile&do=get&target=call4Volunteer.gif

10:00am..10:30

連絡事項・自己紹介 Opening notice / Self introduction

Opening(Japanese)

10:30am..11:30

Review OLS 2007 Panel discussion (Attendants of OLS 2007)

TomoyoLinux OLS2007 BoF slides (振り返り) OLS_report_Ueda(Japanese)_MN Jamboree15OlsReoprtUedaEn (english) OLS_report_Machida(Japanese)_MN Jamboree15OlsReportMachidaEn (english) OLS_report_Harada(Japanese)_MN Jamboree15OlsReportHaradaEn (english) OLS_report_Ueda2(Japanese)_MN Jamboree15OlsReportUeda2En (english) OLS_report_Ikeda(Japanese)_MN Jamboree15OlsReportIkedaEn (english) OLS_report_Mukawa(Japanese)_MN OLS_report_etc(Japanese)_MN

OLS_report_Mukawa(Japanese).ppt

11:30am..12:30pm

Lunch

　

12:30am..2:00

Review OLS 2007 Panel discussion (Attendants of OLS 2007)

　

2:00pm..3:00

コミュニティでのカーネル開発活動（１）/ Kernel development in the Community (1) - Webリソース・開発サイクル: コミュニティに参加するためのヒント / web resources and Development Cycle, a hint to join the community by Tsugikazu Shibata (NEC)

KernelDevelopmentProcess(Japanese)_MN Jamboree15KernelDevProcessEn (english)

3:00pm..3:30

組込み Linux 開発環境 Autotools, RPM, APT, ... - by Keita MAEHARA (Yamaha)

DevelopmentEnv(Japanese)_MN Jamboree15DevEnvEn (english)

3:30pm..4:30

"Summarizing Dynamic linking, part 2" Session for beginers by Tetsuyuki Kobayashi (Aplix)

dynamiclink_2_20070712.ppt (Japanese) updated dynamiclink_2_20070712-en.ppt (english) Totorial_DynamicLink(Japanese)_MN

4.30pm..5:00

Linux NetPoll の活用 - netconsole, netcpurate - Utilizing "Linux NetPoll" for system console - by Katsuki Uwatoko (Toshiba)

celf_netpoll.pdf (Japanese) Jamboree15CelfNetpollEn (english) NetPoll_for_Console(Japanese)_MN 11_NetPoll-en.txt (english)

5:00pm..5:30

Lightning Session 飛び入りトークの時間です！

ext3orphaned-inode.ppt LighteningSessions(Japanese)_MN 12.Lightning_Sessin-en_rev.txt (english)

5:30pm..6:30

Patches review / Review and discussion of the latest patches related to embedded systems (see KernelPatchAndFeatureWatchlist)

PostingPatches20070712.pdf (T.Owa, Japanese) submitpatch070712celfjambo15.odp (K.Matsubara, Japanese) Patches_Review(Japanese)_MN　 13.Patches_review-en.txt (english)

Schedule may be delay and to be flexible because of many items are expected to be added. All meeting memo which named "*_MN" were donated by Mr. Nishikawa with many thanks! Discussion Items We are now calling for discussion items. Please feel free to send your subject to the coordinators! Special Session We are calling for the discussion items!

Open Source Patch and Feature Watch Let's talk about the recent patch and feature added which we have to pay attention. KernelPatchAndFeatureWatchlist

Following table is a snap shoot as of 9th July. Patch or Feature

Status

When was last activity

Notes

Linux-tiny

some sub-patches mainlined, 86 outstanding, 63 bit-rotted relative to 2.6.21

patches published for 2.6.14

Some discussion at OLS 2007 about new maintainer.

squashfs

not mainlined

?

last mainline attempt was over a year ago

axfs

?

?

?

LogFS

?

?

Reported to still be not-ready-for-prime-time; could offer significant memory gains for embedded flash-based systems

LTTng

core not mainlined (what about markers??)

?

LTTng instrumentation bits were changed to use markers, in early 2007

SystemTap (and Kprobes) for non-i386 arches

no embedded arch support mainlined yet

?

KProbes ports for ARM, MIPS and PPC32 were reported on at ELC 2007, SystemTap for SH was demo'ed at ELC 2007

pagemap instrumentation

currently in -mm, targetted for 2.6.23?

July 2007

Matt Mackall was fixing a lock contention bug (as of July 2007)

KFT (Kernel Function Trace)

not mainlined - broken on ARM (with gcc > 4.x), PPC64 has problems (reports parent funcs of inlines)

last published external patches for 2.6.21

working to transfer maintainership of this from Tim Bird to Nicholas McGuire

printk-times (arch support)

fully mainlined?

April, 2005

Some arches had problems with accessing the clock to early in the kernel bootup sequence, but a new setup routine defers turning on the timestamping until after timekeeping is initialized

RT-preempt

some parts mainlined (last part was high res. timers in 2.6.21)

2.6.21?

Next target is to integrate threaded interrupts in 2.6.23??

App Armour

not mainlined

May, 2007

Some kernel developers still have objections to path-based security

TomoyoLinux

1st RFC posted to LKML

June, 2007?

Some kernel developers still have objections to path-based security

powertop

?

?

ACPI version available; reported to be portable to non-Intel architectures, but no attempt known

General Session We are calling for the discussion items!

Project Update Session We are calling for the discussion items!

デモンストレーション / Demonstration デモンストレーションも歓迎します。 We welcome your technical demonstration. はじめて参加される方に(For Newcomers) ガイダンスページを作りました。お役に立てば幸いです。JapanTechnicalJamboreeGuidance (Guidance page has been prepared. Hope it helps.)

お知らせ / Notice 横浜リナックスユーザーグループ(YLUG)の方から下記のお誘いを頂いています。こちらでは組込みよりも更に広い視点でのOLSレビューがされると思います。 We have been invited by Yokohama Linux User Group (YLUG) members to join their OLS 2007 review meeting. 第77回カーネル読書会のおしらせ 日時：07月12日、18時半開場、19時ころ開始 会場：日本SGIホール(恵比寿) http://www.sgi.co.jp/company_info/map1.html SGI Hall (B1F) http://www.morganstanley.co.jp/aboutms/map/image/map_e.gif

お題: Ottawa Linux Symposium 2007参加報告 発表者: OLS2007に参加した皆さん 特に形式はとわづ、一人5分～15分程度、OLSの感想、 おもしろかった事、びっくりした事、発見、その他 なんでもかんでも自由にネタフリ。

18:30頃、開場 (Open) 19:00頃、お題開始 (Start) 20:30頃、懇親会開始 (Party)

場所はいつもの、日本SGIホール

http://www.sgi.co.jp/company_info/map1.html SGI Hall (B1F) http://www.morganstanley.co.jp/aboutms/map/image/map_e.gif

開場した後は、だらだらと自己紹介やら小ネタやらをやりますので、時間の許 す限り早めに来た方が面白いお話をきけるかもしれません。

懇親会はやっぱ、いつもの銀座ライオン。http://r.gnavi.co.jp/g112600/ 5000円程度(学割1000円) 懇親会参加希望の方は懇親会と記してください。

登録はいつもの宴会君 http://utage.org/enkai/ 宴会コード kernel070712

会場の都合で70名で締切ます。

The next Japan Jamboree

Japan Technical Jamboree 16

Other Jamboree Wiki pages on the CELF site

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