[maemo-developers] 770 auto shutdown problem

[From: Cass, John P]

Hello Maemo Developers,

Maybe someone can help me - I bought a 770 second-hand recently and love it BUT it has one strange behaviour; it shuts itself down periodically - usually when it hasn't been used for a little while (~5-10 mins) whether the screen is exposed or covered.  I really want to be able to use the standby mode covering the screen and being able to quickly start again but at the moment I always have to reboot.
I don't think its a battery problem because I get hours of use out of it if I keep tapping away.  Sometimes it stays on longer, although I am not sure why...

Anyway - anyone else seen this?  
Anyone know of a way to trap messages that might explain why its doing this?  
Is there an equivalent to /proc/bootreason that explains why it previously shut down?  
I used dbus-monitor (see below) but don't think I'm getting much useful information - what do you think?
Its running OS2006 49-2.

Any thoughts appreciated!!

Thanks

John

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output of a dbus-monitor session over ssh at the end of which the 770 had shut itself down.  I closed and opened the screen to see what messages were sent. i have set wireless to stay on even if screen covered.

the "save_unsaved_data_ind" message looks ominous, obviously 770 thinks something bad is about to happen....
unfortunately dbus-monitor doesn't output timing of messages...
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Nokia770-49:~# dbus-monitor --system
signal sender=org.freedesktop.DBus -> dest=:1.50 interface=org.freedesktop.DBus; member=NameAcquired
 string ":1.50"
signal sender=:1.11 -> dest=(null destination) interface=org.kernel.kevent; member=change
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=tklock_mode_ind
 string "locked"
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=system_inactivity_ind
 boolean true
signal sender=:1.11 -> dest=(null destination) interface=org.kernel.kevent; member=change
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=system_inactivity_ind
 boolean false
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=tklock_mode_ind
 string "unlocked"
signal sender=:1.11 -> dest=(null destination) interface=org.kernel.kevent; member=change
signal sender=:1.11 -> dest=(null destination) interface=org.kernel.kevent; member=change
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=save_unsaved_data_ind
signal sender=:1.1 -> dest=(null destination) interface=com.nokia.mce.signal; member=system_inactivity_ind
 boolean true
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