Random reboots with FreeBSD-7 STABLE

Roland Smith rsmith at xs4all.nl
Tue Mar 10 10:18:45 PDT 2009

On Tue, Mar 10, 2009 at 05:37:55PM +0100, Ralf Folkerts wrote:
> Hi,
> for quite a while I've been struggling with random reboots of my FBSD 
> amd64-Box.
> It *always* happens when I'm "in" X; usually while using firefox3. It 
> may not happen 7 days but then three days in a row.

Sounds like hardware trouble.
> So, I turn on the Machine (I don't start kdm/xdm), Log-On to a Text-Mode 
> Console, run startx. Then I start Firefox and surf to some news-sites. 
> Them during scrolling in Firefox (it did happen once from Thunderbird 
> but never e.g. from Netbeans) the screen gets black and the system 
> reboots. In a very few cases the System didn't reboot but just hang and 
> had to be resetted.

> In order to get some diagnostic info I connected a serial console to the 
> machine -- however, nothing re. the crash/reboot is being displayed on 
> it. In the few cases when the box hung the serial console was also 
> unresponsive. The serial console itself is working OK (i.e. the 
> boot-loader is being displayed as are the boot-messages and also 
> messages like the drm-ones when starting X and the "root Login" messages.
> I'd really like to get rid of this problem -- however, is there anything 
> I can do in such a case?

It could be a dying powersupply, or a loose cable. If you have a spare
powersupply, swap it out. Or have it tested instead. Sometimes checking
if all the cables are connected properly might help.

You might want to look into this as well:

> pid 1215 (nepomukservicestub), uid 1001: exited on signal 11 (core dumped)

R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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