[maemo-developers] [maemo-developers] permanet reboot after use of flasher 2.0

[From: Eero Tamminen]

Hi,

On Sat, Jun 24, 2006 at 02:19:56PM +0200, Mathias Uebelacker wrote:
> thanks a lot for your detailed answer. The number 2 is my problem.
> --set-rd-flag=no-lifeguard-reset gives me access via Desktop to my 770.
> Now i can try to fix the problem with the xterm tool. Do you know a way
> to install the old OS2005 (realease 13-7) on the 770. Your way no. 2
> does not work.

What means "does not work"?

As you got to Desktop without device rebooting, the problem is then
some crucial system service crashing.   Which service didn't come
up when SW-watchdog was disabled?


	- Eero

> I will try to erase the flash memory to get a clean
> installation. But till now i can not mount the device to get access to
> the flash memory.
> 
> greetings Mathias
> 
> Am Donnerstag, den 22.06.2006, 13:33 +0300 schrieb Eero Tamminen:
> > Hi,
> > 
> > On Wed, Jun 21, 2006 at 07:17:59PM +0200, Ramon Navarro Bosch wrote:
> > > I've removed battery, and now it doesn't reboot again. I doesn't have
> > > contact button on the left sidebar. I've tried df and I have enought
> > > space 50%. I'm not using swap. Can I debug this ?
> > 
> > When the reboot happens?
> > 
> > 1) before the bootup progressbar is shown,
> >    -> most likely device HW watchdog reboots the device
> >       because there was problem when mounting/writing to
> >       the rootfs
> > 2) while the bootup progressbar is advancing, or
> >    -> most likely device SW watchdog reboots the device because
> >       there's a problem with some critical system service
> >       (could also be reason 1)
> > 3) after Desktop has fully booted up
> > ???
> > 
> > If 1), you can:
> > - use flasher to set device to boot from MMC.  There's -b flasher
> >   option to set kernel command line args, and AFAIK MMC is the
> >   device /dev/mmcblk0p1.  On the MMC you need /sbin/init (might
> >   be script?) and environment that somehow allows you to type things.
> >   Easiest to achieve latter would probably to have a "rescue fs"
> >   that contains:
> >   - busybox
> >   - X server from the normal rootfs
> >   - matchbox and xkbd/matchbox-keyboard
> >   - xterm/rxtvt
> >   - some debug tools (gdb, strace etc) so that you can debug
> >     things after mounting the internal rootfs and chrooting
> >     there
> >   Would be nice if people on the list would get this together.
> >   (I haven't tested this myself)
> > 
> > If 2), you can:
> > - Set following flasher flags:
> >   --enable-rd-mode --set-rd-flags no-lifeguard-reset --enable-usb-host-mode
> >   This:
> >   - disables device SW watchdog so that it's not rebooted
> >   - allows you to establish USB serial connection to the device.
> >     People on the list might have URLs to docs on how to do this
> > 
> > If 3), debugging should be "piece of cake" ;-)
> > 
> > 
> > 
> > > I thing that must be
> > > something with contact/email application because before reboot each time
> > > contact information on main screen finished to be writen.
> > 
> > 
> > 
> > 	- Eero
> > 
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