[maemo-developers] N800 Power cycles

[From: Rainer Dorsch]

Am Donnerstag, 11. Juni 2009 schrieb Rainer Dorsch:
> [...]
> > More details is in /mnt/initfs/linuxrc in function enter_state(), normal
> > mode is USER state, charging mode is (or is one case of?) ACTDEAD state.
> > I hope I am not wrong about this.
>
> After investigating linuxrc the above behavior becomes clear:
>
> show_actdead_image()
> {
>         bootreason=`cat /proc/bootreason`
>         if [ x"$bootreason" = x"charger" ]; then
>                 echo "Showing the 'charger connected' image"
>                 /usr/bin/fb-chaimage -l
> /usr/share/images/qgn_indi_charger_connection_detected -b 0 -c -p 0 -s 15 &
>         fi
> }
>
> It seems that /proc/bootreason was not charger in my case (and I think that
> is expected when the N800 crashed).
>
> I modified that too
>
>         if [ x"$bootreason" = x"charger" ]; then
>                 echo "Showing the 'charger connected' image"
>                 /usr/bin/fb-chaimage -l
> /usr/share/images/qgn_indi_charger_connection_detected -b 0 -c -p 0 -s 15 &
>         else
>           text2screen -t "Bootreason: `cat /proc/bootreason`" -H center -y
> 360 -s 6 -B 0xffff
>         fi
>
> This way I have at least some information when I run in that problem next
> time.
>
> Is there any other debug information which would be useful to print? Is
> there a way (by changing linuxrc further) to get a lot more information
> during boot instead of the nice but almost informationfree image?

I just noticed that I cannot write that file, the fs is mounted readonly:

/dev/root on /mnt/initfs type jffs2 (ro)

If I remount it rw

mount -o remount,rw /mnt/initfs

to do the change, would that break something?

Thanks,
Rainer


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Rainer Dorsch
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