Nightly reboots

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On Fri, Mar 02, 2007 at 04:26:56PM +0200, Kimmo H?m?l?inen wrote:
> > > My last two spontaneous reboots were attributed to 32_wd (ie. the
> > > watchdog).
> > 
> > My suspicion is that sometimes the JFFS2 file system garbage collecting
> > might keep the kernel busy for >1/2 minute without yielding the control
> > back to scheduler.  Normally the JFFS2 GC happens only on bootup (in
> > case you were wondering why the booting is sometimes slower), but
> > it can be run also during normal usage. HW watchdog reboots the
> > device if it's not refreshed within 1/2 min (in the JFFS2 case the
> > device would probably unfreeze / function normally after GC has
> > finished).
> 
> My guess is the WLAN. IIRC, there was rebooting problems that were
> caused by just leaving the WLAN connection idle. Fortunately, the next
> SW release should fix those.

I tend to leave WLAN off during daytime (to conserve battery), and I
usually not bother bringing it up before I plug in my N800 to charge
during the night.

I cannot guarantee it absolutely, but I think wlan was off during the
last couple of times when my N800 rebooted itself.

Marius Gedminas
-- 
Gates' Law: Every 18 months, the speed of software halves.
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