linaro-dev October 2010

linaro-dev@lists.linaro.org

68 participants
90 discussions

by Tom Gall

All, I've created a wiki page at https://wiki.linaro.org/LiveHelper/Hacking to describe the various steps for building your own linaro images on arm hardware using live helper. This also includes the steps to modifying seeds to add/subtrack packages to suite your own goals whatever they might be. Regards, Tom "We want great men who, when fortune frowns will not be discouraged." - Colonel Henry Knox w) tom.gall att linaro.org (Linaro User Platforms Team) w) tom_gall att vnet.ibm.com h) tom_gall att mac.com

13 years, 6 months

Notes & Actions: Linaro User Platform Weekly Status Meeting 10/06

by Tom Gall

Greetings, Enclosed you'll find a link to the agenda, notes and actions from the Linaro User Platforms Weekly Status meeting dated October 6th held in #linaro-meeting on irc.freenode.net at 13:00 UTC. https://wiki.linaro.org/Platform/UserPlatforms/WeeklyStatus/2010-10-06 Regards, Tom (tgall_foo) User Platforms Team "We want great men who, when fortune frowns will not be discouraged." - Colonel Henry Knox w) tom.gall att linaro.org w) tom_gall att vnet.ibm.com h) tom_gall att mac.com

13 years, 6 months

Linaro Infrastructure Team Weekly Report (2010-10-01 to 2010-10-06)

by Ian Smith

All, The weekly report for the Linaro Infrastructure team may be found at:- Status report: https://wiki.linaro.org/Platform/Infrastructure/Status/2010-10-07 Burndown chart:http://people.canonical.com/~pitti/workitems/maverick/linaro-infrastr… The burndown chart is showing that there are 12 tasks in progress, and 18 tasks to undertake. These are all within four blueprints:- arm-m-validation-dashboard; 2 in progress; 12 to do arm-m-image-building-console; 8 in progress; 3 to do arm-m-automated-testing-framework; 1 in progress; 2 to do arm-m-testsuites-and-profilers; 1 in progress; 1 to do In arm-m-image-building-console, of the 8 tasks in progress, seven are awaiting code reviews, and the limited availability of the reviewer has protracted the completion of these tasks. The tasks to complete in arm-m-validation-dashboard are anticipated to complete on schedule. Specifics accomplished this week include:- * Fixed some bugs in abrek (Automated Test Framework). These bugs were located in a branch and were not captured in Launchpad. * Launch Control 0.2 pipeline was merged to trunk (about a dozen branches) and released (https://edge.launchpad.net/launch-control/+announcement/6895) * The road map was set for the Launch Control 0.3 release (http://suxx.pl/redmine/projects/launch-control/roadmap) * Configured and deployed tarmac (https://launchpad.net/tarmac) automatic branch lander for Launch Control * arm-m-image-building-console: one branch was landed which no longer presents a 'logout' link when no user is logged in <https://code.edge.launchpad.net/~mwhudson/bugsy/trivial/+merge/36819> <https://code.edge.launchpad.net/%7Emwhudson/bugsy/trivial/+merge/36819%3E> * Bug fixed and awaiting review: "hwpack-install should check the FORMAT file in the hwpack" (<https://launchpad.net/bugs/638322> <https://launchpad.net/bugs/638322%3E>) Please let me know if you have any comments or questions. Kind Regards, Ian

13 years, 6 months

[PM] 6/10/10 - Minutes for the Power Management WG weekly call

by Amit Kucheria

Hi everyone, The minutes of the weekly call can be found at: https://wiki.linaro.org/WorkingGroups/PowerManagement/Meetings/2010-10-06 Attendees: Linaro: Amit K, Amit A, Vincent, Yong, Vishwa ARM: Srinivas, Robin Highlight: The next 6 months.. Regards, Amit

13 years, 6 months

the linaro toolchain and older arm versions

by John Rigby

I believe that the libgcc.a in our toolchain contains Thumb-2 code. I verified this by doing objdump on libgcc.a and I see combinations of 16 and 32 bit instructions. So does that mean that the toolchain is only usable for ARM versions that support Thumb-2? Thanks, John

13 years, 6 months

[off-topic] Battery chargers on embedded Linux devices

by Alex Gonzalez

Hi, I haven't found any list for generic embedded linux questions so please redirect me if you know one. I am working on a Freescale MX51 board with a MC13892 PMIC which has a battery driver to monitor and control the battery. If I were to develop a battery powered device based on it, I would need a way to monitor the charge, turn on/off the charger if needed depending on battery level and suspend the system if the battery level drops. Some battery packs come with external chips that provide this functionality, but these battery packs are not available if you are not bulk purchasing. If I were to use the battery measurements provided by the PMIC to control the battery charge I would need to model the specific battery I am goint to use in terms of voltage/current graphs. Any known Linux effort towards this? Also, could the typical laptop user space applications (gnome panel applet et al) that typically use ACPI be used on an embedded system? Are there any other applications specifically targetted to the embedded market? As you may guess it's the first time I work on a battery powered embedded device. Thanks for your help, Alex

13 years, 6 months

[Linaro][Pull Request] Adding Dynamic Ftrace capabilities in ARM

by Mathieu Poirier

This set of patches add dynamic ftrace capabilities to ARM. As requested, it is now based on the linux-linaro-2.6.35 stable tree. This work has been submitted here: http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=shortlog;h=8… BugLink: https://bugs.launchpad.net/bugs/656375 The following changes since commit b7a7038f1a6e29285e5fe2a0d1faaedab0da8046: Tony Lindgren (1): ARM: Fix HWCAP_TLS flag for ARM11MPCore/Cortex-A9 are available in the git repository at: git://kernel.ubuntu.com/mpoirier/linux-linaro-2.6.35.git dynamic-ftrace Rabin Vincent (8): ARM: 6312/1: ftrace: allow building without frame pointers ARM: 6314/1: ftrace: allow build without frame pointers on ARM ARM: 6315/1: ftrace: add ENDPROC annotations ARM: 6316/1: ftrace: add Thumb-2 support ARM: 6317/1: ftrace: pass KBUILD_CFLAGS to record_mcount.pl ARM: 6318/1: ftrace: fix and update dynamic ftrace ARM: 6319/1: ftrace: add Thumb-2 support to dynamic ftrace ARM: 6320/1: ftrace: enable dynamic ftrace Makefile | 7 ++ arch/arm/Kconfig | 2 + arch/arm/Kconfig.debug | 5 + arch/arm/include/asm/ftrace.h | 20 ++++- arch/arm/kernel/armksyms.c | 2 + arch/arm/kernel/entry-common.S | 63 +++++++++++--- arch/arm/kernel/ftrace.c | 188 +++++++++++++++++++++++++++++---------- kernel/trace/Kconfig | 2 +- scripts/Makefile.build | 3 +- scripts/recordmcount.pl | 2 + 10 files changed, 231 insertions(+), 63 deletions(-)

13 years, 6 months

Linaro Foundations Team Weekly Report (2010-09-30 to 2010-10-06)

by Steve Langasek

The weekly report for the Linaro Foundations team may be found at: Status report: https://wiki.linaro.org/Platform/Foundations/2010-10-06 Overall status: https://wiki.linaro.org/Platform/Foundations/Status * Backports of the Linaro gcc packages to Ubuntu 10.04 LTS are now available at http://people.canonical.com/~hrw/ubuntu-lucid-armel-cross-compilers/ * Most Linaro kernel patches from this cycle have now been accepted upstream, including the patches implementing kernel security features for ARM. * ALIP cross-building has reached an important milestone this week, with a cross-buildable gstreamer package pushed to the PPA at https://launchpad.net/~peter-pearse/+archive/cross-source Actions: * hrw, ppearse to follow up on what's needed to build flavored cross-compilers for ppa * JamieBennett to ask Anmar about improving http://www.linaro.org/about-linaro/ * slangasek to nudge Keybuk to review bootchart changes rather than redirecting to upstream, since Ubuntu and upstream are quite out of sync -- Steve Langasek Give me a lever long enough and a Free OS Debian Developer to set it on, and I can move the world. Ubuntu Developer http://www.debian.org/ slangasek(a)ubuntu.com vorlon(a)debian.org

13 years, 6 months

Linaro Foundations Team Weekly Report (2010-09-23 to 2010-09-29)

by Steve Langasek

The weekly report for the Linaro Foundations team may be found at: Status report: https://wiki.linaro.org/Platform/Foundations/2010-09-29 Overall status: https://wiki.linaro.org/Releases/FoundationsStatus * This week, Avik Sil joins us from IBM as a new assignee to the team. Welcome, Avik! * With the Linaro 10.11 freeze in effect and the Ubuntu maverick release a week away, much of the team's focus has shifted to resyncing with upstream, with the exception of work around ALIP and xdeb, where development continues at a steady pace. * This week also saw the inclusion of both the 4.4 and 4.5 versions of Linaro GCC in the OpenEmbedded archive, thanks to the initiative of Marcin Juszkiewicz. Actions: * JamieBennett to ask Anmar about improving http://www.linaro.org/about-linaro/ * hrw to target bug #615765 to debhelper instead of binutils, with explanation * lool to solicit toolchain WG input on bug #615765 * hrw,ppearse to discuss possible versioning problem blocking PPA uploads * dmart to test that linux-linaro-tools package in maverick DTRT * slangasek to post DebConf 10 gobby notes publically * slangasek to nudge Keybuk to review bootchart changes rather than redirecting to upstream, since Ubuntu and upstream are quite out of sync -- Steve Langasek Give me a lever long enough and a Free OS Debian Developer to set it on, and I can move the world. Ubuntu Developer http://www.debian.org/ slangasek(a)ubuntu.com vorlon(a)debian.org

13 years, 6 months

Linaro Foundations Team Weekly Report (2010-09-16 to 2010-09-22)

by Steve Langasek

The weekly report for the Linaro Foundations team may be found at: Status report: https://wiki.linaro.org/Platform/Foundations/2010-09-22 Overall status: https://wiki.linaro.org/Releases/FoundationsStatus Work continues on bugfixing for the 10.11 release, as well as some spec work not affecting the archive. The burndown chart at http://people.canonical.com/~pitti/workitems/maverick/linaro-foundations.ht… shows that we are on target to complete remaining engineering work for the 10.11 release. Actions: * hrw to target bug #615765 to debhelper instead of binutils, with explanation * lool to solicit toolchain WG input on bug #615765 * hrw,ppearse to discuss possible versioning problem blocking PPA uploads * dmart to test that linux-linaro-tools package in maverick DTRT * "marketing" to write a 'what is linaro for dummies' * slangasek to post DebConf 10 gobby notes publically * slangasek to nudge Keybuk to review bootchart changes rather than redirecting to upstream, since Ubuntu and upstream are quite out of sync Cheers, -- Steve Langasek Give me a lever long enough and a Free OS Debian Developer to set it on, and I can move the world. Ubuntu Developer http://www.debian.org/ slangasek(a)ubuntu.com vorlon(a)debian.org

13 years, 6 months

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linaro-dev October 2010