On Fri, 2007-03-02 at 16:07 +0200, ext Eero Tamminen wrote: > Hi, > > ext Marius Gedminas wrote: > >> My N800 has been restarting each night sometime after 2am EST (that's > >> as late as I've been up). I leave it plugged in either on my night > >> table or on my desk and when I go to use it in the am, it's clearly > >> been restarted (bluetooth off, no apps open). > > > > Mine does something similar. It doesn't reboot *every* night, but it > > reboots every now and then (roughly a couple of times per week). > > > >> Is there any way to see what's causing this > > > > http://maemo.org/maemowiki/ReportingRebootIssues > > > > My last two spontaneous reboots were attributed to 32_wd (ie. the > > watchdog). > > > >> to try and prevent it from happening? > > > > I'd love to know. > > > > (Disabling lifeguard resets with the flasher does not count. > > Besides, I don't think it disables the watchdog.) > > It disables the SW watchdog, but 32_wd is the HW watchdog. > > I've never encountered this reboot. Had you been doing a lot of disk > operations (*both* saving and removing large amounts of data from the > internal Flash) before the night on which the device reboots? > > 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. BR; Kimmo > > > - Eero > _______________________________________________ > maemo-users mailing list > maemo-users at maemo.org > https://maemo.org/mailman/listinfo/maemo-users
