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javajix 2009-11-25 07:43

N900 Unexpected reboots
Hi all,
yesterday in the afternoon i get my n900.

I used it for two hours and it rebooted 4 times:

- The first time rebooted when i changed APN
- The second time rebooted when i installed sudo
- The third time when configuring skype
- The fourth loading weather forecast

The battery was low so leave it alone charging.

This morning i tried to update the weather forecast and boom another reboot.

I opened the terminal to look to /boot/bootreason to see the cause of the reboot, it contains: 32wd_to that means was the watchdog that reboots the terminal.

I also made a dmesg to see if there was some errors and boom reboots again.

Is there any way to further investigate the problem ?
May be an hardware failure ?

Any help would be appreciated.


ossipena 2009-11-25 08:04

Re: N900 Unexpected reboots
I have had similar reboots. but for now, no reboots since 3 hours and have played with my device the whole time. what I did? -disabled 3g -radio.(at last, did also numerous other tweaks that didnt help) that came to my mind when device rebooted in exactly same place where I once called with my E71 and the line was very distorted. and symbian nokias rebooting because of the 3g-gsm jumps have been normal before.

I am truly hoping that it would fix the issue. I'll create bugzilla entry tonight if there are no more reboots appearing.

javajix 2009-11-25 08:34

Re: N900 Unexpected reboots
Thanks for your reply,
i set the phone to 2g only and it seems more stable, but when i connected the n900 to the pc the device rebooted.

kin900 2009-11-25 09:28

Re: N900 Unexpected reboots
just curious where you ordered your n900 from? i hope the first batch of n900's isnt like this!

benny1967 2009-11-25 09:34

Re: N900 Unexpected reboots
This is not good. :(

Cherrypie 2009-11-25 09:35

Re: N900 Unexpected reboots
Sounds like N900 still has childhood diseases :(
I'm gonna wait with buying till this isn't happening anymore. Who knows if the bug isn't a hardware problem.

famusc 2009-11-25 09:54

Re: N900 Unexpected reboots
I'm having unexpected reboots too!! I think the culprit is Mail For Exchange. Can you try disabling it and see if it stops rebboting?

I have no /boot/bootreason, by the way. Where can I find it?

famusc 2009-11-25 10:07

Re: N900 Unexpected reboots
Ok, found it: it is /proc/bootreason and not /boot.
I have 32wd_to too...

kende 2009-11-25 10:20

Re: N900 Unexpected reboots
Constant reboots for me also by 32wd_to hardware monitor. It's not rebooting when using charger so I think monitor is trying to save battery by rebooting device when something gets stuck consuming too much power.


hqh 2009-11-25 10:29

Re: N900 Unexpected reboots
I was just about to post that I've had no reboots at all... And then it happened. Two times. This thread must be cursed.

The reason was different each time, sw_rst and 32wd_to.

Not using MfE.

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