On Monday 21 February 2011 03:13 PM, Andy Green wrote:

On 02/21/2011 08:20 AM, Somebody in the thread at some point said:

...

Hi,

I've been trying to boot Linaro on Panda board following the instructions given in https://wiki.linaro.org/Boards/Panda. I've used linaro-natty-headless-tar-20110216-0.tar.gz and hwpack_linaro-panda_20110217-0_armel_supported.tar.gz. After writing the image successfully on an SD card I tried booting the board from it and got a kernel panic: http://paste.ubuntu.com/569954

Please let me know how to get out of this problem.

There's a bug for it here with some more comment on it FWIW

https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/720055

After reverting to an older headless image and hwapck (of 20110214), I could get rid of this problem but unable to get the shell prompt: http://paste.ubuntu.com/570020. The system stops there.

Also, pressing the PWRON_RESET button does not reboot the system.

Regards, Avik

-Andy

On Monday 21 February 2011 06:16 PM, Lee Jones wrote:

...

After reverting to an older headless image and hwapck (of 20110214), I could get rid of this problem but unable to get the shell prompt: http://paste.ubuntu.com/570020. The system stops there.

Can you provide an `ls /etc/init`?

$ ls /media/rootfs/etc/init auto-serial-console.conf plymouth-splash.conf console-setup.conf plymouth-stop.conf control-alt-delete.conf plymouth-upstart-bridge.conf cron.conf procps.conf dmesg.conf rc.conf hostname.conf rcS.conf hwclock.conf rc-sysinit.conf hwclock-save.conf rsyslog.conf module-init-tools.conf tty1.conf mountall.conf tty2.conf mountall-net.conf tty3.conf mountall-reboot.conf tty4.conf mountall-shell.conf tty5.conf mounted-dev.conf tty6.conf mounted-tmp.conf udev.conf mounted-varrun.conf udev-finish.conf networking.conf udevmonitor.conf network-interface.conf udevtrigger.conf network-interface-security.conf upstart-udev-bridge.conf openvt.conf ureadahead.conf plymouth.conf ureadahead-other.conf plymouth-log.conf

Regards, Avik

On Mon, Feb 21, 2011 at 3:49 PM, Lee Jones lee.jones@linaro.org wrote:

Attached are two files. I forget which one you need for Panda, I think it's ttyO2.conf. Give them a go. Try to copy them one at a time into /etc/init. If they don't work then Linaro's rootfs must be subtly different than the one Canonical use for ti-omap4.

just for the record, on OMAP4 devices, you need to atttach console on /dev/ttyO2

On Mon, Feb 21, 2011 at 6:26 AM, Avik Sil avik.sil@linaro.org wrote:

On Monday 21 February 2011 03:13 PM, Andy Green wrote:

...

On 02/21/2011 08:20 AM, Somebody in the thread at some point said:

...

Hi,

I've been trying to boot Linaro on Panda board following the instructions given in https://wiki.linaro.org/Boards/Panda. I've used linaro-natty-headless-tar-20110216-0.tar.gz and hwpack_linaro-panda_20110217-0_armel_supported.tar.gz. After writing the image successfully on an SD card I tried booting the board from it and got a kernel panic: http://paste.ubuntu.com/569954

Please let me know how to get out of this problem.

There's a bug for it here with some more comment on it FWIW

https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/720055

After reverting to an older headless image and hwapck (of 20110214), I

could get rid of this problem but unable to get the shell prompt: http://paste.ubuntu.com/570020. The system stops there.

Also, pressing the PWRON_RESET button does not reboot the system.

Hi Avik, I suspect you are now hitting the power off bug [1]. It seems to strike at random places in the boot for different people/images.

Thanks, Paul Larson

[1] https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/708883

Hi Andy,

On Monday 21 February 2011 08:21 PM, Andy Green wrote:

On 02/21/2011 02:26 PM, Somebody in the thread at some point said:

Hi -

...

Also, pressing the PWRON_RESET button does not reboot the system.

Hi Avik, I suspect you are now hitting the power off bug [1]. It seems to strike at random places in the boot for different people/images.

...

[1] https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/708883

This sounds like the right diagnosis... in which case you should be able to work around it using the patch I added to #37 on that bug.

After applying your patch to the latest linux-linaro-2.6.37 kernel, I'm again hitting bug #720055 (https://bugs.launchpad.net/ubuntu/+source/linux-linaro/+bug/720055).

Regards, Avik

-Andy

On 02/23/2011 05:49 AM, Somebody in the thread at some point said:

Hi -

yes, agreed. Problem described with bug #720055 (which appears to remain unresolved) is a different beast than what Andy's patch is addressing.

If you pull the kernel mentioned in #39 of bug #70883, apply the patch, you'll have better luck booting panda board.

Right the patch from #37 of 708883 successfully worked around the turning off bug allowing you to continue along to what seems to be a display initialization issue with the tree you're using.

That bug is getting attention and patches at the moment...

https://bugs.launchpad.net/bugs/720055

-Andy