Re: What our customers want from Android

2012-02-01 Thread Bharathi Subramanian
Hi, I feel, Linaro should maintain only 2 versions - stable and unstable external source. instead of maintain staging, tracking, landing, mainline etc .. I understand internally lot of activities may happen with partners. But for external people, it is should be simple. As of now, only people who

Bugs report for Freescale i.MX53 Loco board run Android and Ubuntu with Linaro 11.1212.01

2012-02-01 Thread orientsusong
Dear Linaro Dev Team, Thanks a lot for your kindly and attentions, firstly! i test the Linaro Version 11.1212.01 for MX53 Loco board this two months in Shenzhen, China. Bug 1: Boot Time too long, it needs 1 minutes past 53 seconds for Ubuntu on Linaro Version 11.1212.01. and Android

Participating Remotely at Linaro Connect Q1.12

2012-02-01 Thread Stephen Doel
Hi All, If you're one of the unlucky ones who won't be attending Linaro Connect Q1.12 next week, you'll be pleased to hear we're enabling remote participation via Google Hangouts for the 5 morning Session rooms. As Hangouts allow use of webcams, this will hopefully make it a more interactive

Re: Bugs report for Freescale i.MX53 Loco board run Android and Ubuntu with Linaro 11.1212.01

2012-02-01 Thread Haitao Zhang
宋超,你好 2012/2/1 orientsusong orientsus...@126.com: Dear Linaro Dev Team, Thanks a lot for your kindly and attentions, firstly! i test the Linaro Version 11.1212.01 for MX53 Loco board this two months in Shenzhen, China. Bug 1: Boot Time too long, it needs 1 minutes past 53 seconds for Ubuntu

Kernel module/kthread question

2012-02-01 Thread Dmitry Antipov
I'm writing a kernel module which creates a substantial amount of kernel threads. After dropping the real stuff, the module skeleton is: #include linux/kernel.h #include linux/sched.h #include linux/kthread.h #include linux/module.h #include linux/slab.h #include linux/ktime.h

cpu_relax in busy loops question

2012-02-01 Thread Daniel Lezcano
Hi Linus, While looking at the drivers/mfd/db8500-prcmu.c file I noticed: 595 /* Grab the HW semaphore. */ 596 while ((readl(PRCM_SEM) PRCM_SEM_PRCM_SEM) != 0) 597 cpu_relax(); I was wondering why is cpu_relax needed here as readl does a memory barrier ?

Re: Kernel module/kthread question

2012-02-01 Thread Daniel Lezcano
On 02/01/2012 12:28 PM, Dmitry Antipov wrote: I'm writing a kernel module which creates a substantial amount of kernel threads. After dropping the real stuff, the module skeleton is: #include linux/kernel.h #include linux/sched.h #include linux/kthread.h #include linux/module.h #include

Re: Kernel module/kthread question

2012-02-01 Thread Dmitry Antipov
On 02/01/2012 03:49 PM, Daniel Lezcano wrote: IMO, you have a race condition with nrunning. What guarantee do you have atomic_dec_and_test is called after atomic_inc ? Nothing (but I believe ~1s is pretty enough for the kernel thread to get woken up). I also tried to to atomic_inc() at the

Re: Kernel module/kthread question

2012-02-01 Thread Daniel Lezcano
On 02/01/2012 01:08 PM, Dmitry Antipov wrote: On 02/01/2012 03:49 PM, Daniel Lezcano wrote: IMO, you have a race condition with nrunning. What guarantee do you have atomic_dec_and_test is called after atomic_inc ? Nothing (but I believe ~1s is pretty enough for the kernel thread to get woken

Re: Kernel module/kthread question

2012-02-01 Thread Dmitry Antipov
On 02/01/2012 04:15 PM, Daniel Lezcano wrote: Yes, but the problem is the same also. Did you try by removing atomic_inc and set nrunnings to nrkthread ? Now I'm trying, and it looks better - but hurts the lockdep validator :-(: BUG: MAX_LOCKDEP_KEYS too low! turning off the locking

Efika MX Smartbook + serial dongle needed at Linaro Connect

2012-02-01 Thread Marcin Juszkiewicz
Hi Looks like I managed to break serial port on my Efika MX Smartbook today. As there are people in Linaro with this device I am asking for help. For this I need someone with Efika MX Smartbook and debug board to be present at conference. I will take my netbook and dongle so will be able to

Re: What our customers want from Android

2012-02-01 Thread Christian Robottom Reis
On Wed, Feb 01, 2012 at 04:00:32PM +0800, Bharathi Subramanian wrote: I feel, Linaro should maintain only 2 versions - stable and unstable external source. instead of maintain staging, tracking, landing, mainline etc Generally, I agree that only two versions must be enough. Is there any page

Re: Kernel module/kthread question

2012-02-01 Thread Dmitry Antipov
On 02/01/2012 04:15 PM, Daniel Lezcano wrote: Yes, but the problem is the same also. Did you try by removing atomic_inc and set nrunnings to nrkthread ? Unfortunately it's still here: Unable to handle kernel paging request at virtual address 7f0a411c pgd = 80004000 [7f0a411c] *pgd=bf163811,

Fwd: Template

2012-02-01 Thread Zach Pfeffer
If anyone needs a template for presentations, this one looks nice. Thank Tony! -- Forwarded message -- From: Tony Mansson tony.mans...@linaro.org Date: 1 February 2012 11:44 Subject: Template To: Botao Sun botao@linaro.org, Bernhard Rosenkranzer

Power Management Working Group @ Linaro Connect

2012-02-01 Thread Amit Kucheria
Here is a list of things[1] we plan to talk about and accomplish next week. If you're interested in specific topics, that page contains names of people to talk to. Ask me if you have trouble tracking them down. Come and say Hi. :) /Amit -- Amit Kucheria, Tech Lead, Power Management Working

Re: Efika MX Smartbook + serial dongle needed at Linaro Connect

2012-02-01 Thread Raquel and Bill
Hi Martin, in our view you have been a useful and active contributor. We unfortunately do not have any smartbook debug boards left, so we can't help you there. However, if you need a new Efika MX Smartbook, just let us know where to ship it and we will. We appreciate your use and support of the

Re: cpu_relax in busy loops question

2012-02-01 Thread Linus Walleij
On Wed, Feb 1, 2012 at 12:34 PM, Daniel Lezcano daniel.lezc...@linaro.org wrote: Hi Linus, While looking at the drivers/mfd/db8500-prcmu.c file I noticed:  595         /* Grab the HW semaphore. */  596         while ((readl(PRCM_SEM) PRCM_SEM_PRCM_SEM) != 0)  597                

Toolchain Working Group @ Linaro Connect

2012-02-01 Thread Michael Hope
Here is a list of things we plan to talk about and do in the toolchain group next week: https://wiki.linaro.org/MichaelHope/Sandbox/Q1.12Plans Some of the 'next steps' topics will become more concrete this week. If you're interested in specific topics, let me know or just come on by. We'll be

Re: What our customers want from Android

2012-02-01 Thread Ricardo Salveti
On Wed, Feb 1, 2012 at 6:00 AM, Bharathi Subramanian bharathi.l...@gmail.com wrote: Hi, I feel, Linaro should maintain only 2 versions - stable and unstable external source. instead of maintain staging, tracking, landing, mainline etc .. I understand internally lot of activities may happen

Re: Bugs report for Freescale i.MX53 Loco board run Android and Ubuntu with Linaro 11.1212.01

2012-02-01 Thread Ricardo Salveti
2012/2/1 Haitao Zhang haitao.zh...@linaro.org: 宋超,你好 2012/2/1 orientsusong orientsus...@126.com: Dear Linaro Dev Team, Thanks a lot for your kindly and attentions, firstly! i test the Linaro Version 11.1212.01 for MX53 Loco board this two months in Shenzhen, China. Bug 1: Boot Time too

Re: potentially bug list

2012-02-01 Thread Ricardo Salveti
On Tue, Jan 31, 2012 at 5:39 PM, Mario marietto2...@gmail.com wrote: I forgot to say that I've installed Linaro Ubuntu Desktop 3.1.1.8 on a Pandaboard ES. 2012/1/31 Mario marietto2...@gmail.com: Hello. Since I'm not experienced,I would like to talk with you about this potentially bug list

Re: potentially bug list

2012-02-01 Thread Ricardo Salveti
On Wed, Feb 1, 2012 at 11:44 PM, Ricardo Salveti ricardo.salv...@linaro.org wrote: On Tue, Jan 31, 2012 at 5:39 PM, Mario marietto2...@gmail.com wrote: I forgot to say that I've installed Linaro Ubuntu Desktop 3.1.1.8 on a Pandaboard ES. 2012/1/31 Mario marietto2...@gmail.com: Hello. Since

Bug Management with Linaro Ubuntu Project

2012-02-01 Thread Ricardo Salveti
Hi, After working on generating a bug report web page for our arm-porting-queue effort (mostly my wife actually), I decided to create a similar bug report web page to make the life easier for people managing the bugs affecting the Linaro Ubuntu project. The link:

native gdb for Android

2012-02-01 Thread Barry Song
Hi guys, I compile a native gdb using linaro 2011.10 by “./configure --host=arm-none-linux-gnueabi --target=arm-none-linux-gnueabi”, and the gdb runs on arm target boards directly. # gdb GNU gdb (Linaro GDB) 7.3-2011.10 Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL

Re: [RFC PATCH 2/2] thermal: Add generic cpu cooling implementation

2012-02-01 Thread Matthew Garrett
On Tue, Dec 13, 2011 at 08:43:16PM +0530, Amit Daniel Kachhap wrote: This patch adds support for generic cpu thermal cooling low level implementations using frequency scaling and cpuhotplugg currently. We've been over this kind of thing in the past. cpu hotplug is a relatively expensive

Re: [RFC PATCH 1/2] thermal: Add a new trip type to use cooling device instance number

2012-02-01 Thread Matthew Garrett
I'm not really a fan of this as it stands - the name isn't very intuitive and the code's pretty difficult to read. Would the following (incomplete and obviously untested) not have the effect you want? Then you register multiple trip points with the same cooling device but different private

Re: [RFC] Upcoming work view for individual engineers

2012-02-01 Thread Ricardo Salveti
Hey, On Wed, Feb 1, 2012 at 1:54 PM, Guilherme Salgado guilherme.salg...@linaro.org wrote: Hi folks, We're trying to make status.l.o more useful to engineers and the first thing we're planning to do is a new page listing the upcoming work assigned to a given person. I'm attaching a mockup of

Re: What our customers want from Android

2012-02-01 Thread Tom Gall
On Wed, Feb 1, 2012 at 7:32 PM, Ricardo Salveti ricardo.salv...@linaro.org wrote: On Wed, Feb 1, 2012 at 6:00 AM, Bharathi Subramanian bharathi.l...@gmail.com wrote: Hi, I feel, Linaro should maintain only 2 versions - stable and unstable external source. instead of maintain staging,

Re: [U-Boot] [PATCH v6 3/4] EXYNOS: Add SMDK5250 board support

2012-02-01 Thread Chander Kashyap
Hi Igor, On 25 January 2012 12:26, Igor Grinberg grinb...@compulab.co.il wrote: Hi Chander, On 01/25/12 07:19, Chander Kashyap wrote: SMDK5250 board is based on Samsungs EXYNOS5250 SoC. Signed-off-by: Chander Kashyap chander.kash...@linaro.org --- [...] diff --git

Re: What our customers want from Android

2012-02-01 Thread Michael Hudson-Doyle
[resending replying to the list , aplogies Ricardo!] On Wed, 1 Feb 2012 23:32:00 -0200, Ricardo Salveti ricardo.salv...@linaro.org wrote: While I see that it's useful for people to use the outcome of the Android team to create products, I believe it's quite hard to keep both stable and

Re: Efika MX Smartbook + serial dongle needed at Linaro Connect

2012-02-01 Thread Haitao Zhang
Hey, hrw It's good to know still have some guys like to hack Efika MX Smartbook. I will bring my serial debug board with cable to Linaro Connect. BTW: flat cable is very easy to duplicate, so you can DIY it easily with any winding displacement. Thanks, Haitao On 1 February 2012 21:10, Marcin

Re: What our customers want from Android

2012-02-01 Thread Jason Hui
On Wed, Feb 1, 2012 at 12:52 AM, Zach Pfeffer zach.pfef...@linaro.org wrote: So I've been talking to our customers (10 at last count) and they really like what we're doing. There are three things that are getting in their way: linaro-android-media-create GCC4.6 frequent kernel upgrades

Re: [RFC PATCH 1/2] thermal: Add a new trip type to use cooling device instance number

2012-02-01 Thread Amit Kachhap
On 1 February 2012 20:19, Matthew Garrett m...@redhat.com wrote: I'm not really a fan of this as it stands - the name isn't very intuitive and the code's pretty difficult to read. Would the following (incomplete and obviously untested) not have the effect you want? Then you register multiple

Re: [RFC PATCH 1/2] thermal: Add a new trip type to use cooling device instance number

2012-02-01 Thread Amit Kachhap
On 1 February 2012 20:19, Matthew Garrett m...@redhat.com wrote: I'm not really a fan of this as it stands - the name isn't very intuitive and the code's pretty difficult to read. Would the following (incomplete and obviously untested) not have the effect you want? Then you register multiple