Hi Amit and YongQin,

Thank you for your information.

"date -s 20130823.130000" works for me on Versatile Express boards.

I also tried Versatile Express version, and it worked fine. Sometimes, boards variation makes difference behaviors. If I can find the solution for date setting, I'll post it again.

If you are using "linaro-android-media-create" tool to flash SD card images then you can pass additional bootargs using "--extra-boot-args" option. Check "linaro-android-media-create" usage for more information.

Thank you for the useful information.

And I found I can also change the linux kernel boot arguments by replacing boot.scr in boot partition. I could renew the boot.scr by following steps in the follwoing URL. https://wiki.ubuntu.com/ARM/EditBootscr

But it's definitely convenient to use having --extra-boot-args of linaro-android-media-create command. I'll use this from now on.

Regads, Yoshi

On Mon, Aug 26, 2013 at 3:31 AM, YongQin Liu yongqin.liu@linaro.org wrote:

Hi, Yoshiharu

On 24 August 2013 01:45, Yoshiharu Imamoto yimamoto@andrew.cmu.eduwrote:

...

Hi there,

I started to develop Linaro Android 13.07 on Arndale Board. It's working fine with HDMI display and mouse input, but I have some issues on it.

1. I cannot change date & time.

I tried "Settings -> Date&Time" and "time -s 20130823.130000" command via serial console. But it does not change time on the device. As a result, my application that uses SSL fails to connect to a server since time is set to 1970, which makes certificate validation fail.

Does anyone know how to change date & time?

I guess it's because there is no the alarm kernel support. Maybe you can try to add the change here:

http://git.linaro.org/gitweb?p=people/yongqinliu/public/kernel/samsung.git%3... although it's only for the Origen dual board.

Thanks, Yongqin Liu

...

2. I cannot change Linux boot parameter.

I want to boot Linux kernel on a single processor hardware, so I'd like to make it No SMP. We can do it by setting "nosmp" argument for kernel boot. I tried changing u-boot parameters mmcargs so that it includes nosmp, but booting kernel seems not to have one. I confirmed it by looking at /proc/cmdline.

What parameter on u-boot do I have to change?

Thanks, Yoshi

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-- Thanks, Yongqin Liu

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