The problem turned out to be simple: The upper right panel on the calendar lists a set of calendars that the calendar program can display. Presumably, it merges them. Each calendar has a check-box beside it (which I, as new used, thought was a mere decoration). Somehow the (only) entry for my own calendar had become unchecked. Once diagnosed, problem was easy to solve -- I just checked my calendar again. Detailed discussion is available at http://bugs.linuxtogo.org/show_bug.cgi?id=154 My original post follows below. -- hendrik On Sun, 17 Feb 2008 19:35:52 +0000, Hendrik Boom wrote: > I tried posting on this yesterday, but the message seems to have gone > astray. > I've installed some gpe utilities on top of the factory-installed OS2007 > on my N800. > > Yesterday, when I pulled my N800 out of my briedcase, I noticed that: > (1) it was already on > (2) the calendar program had lost *all* my appointments, although my > to-do list was intact. > > I suspect software problems, either bugs in the software itself, or a > malign interaction between it and its operating environment. However > caused, an appointment calendar that spontaneously deletes all > appointments without the active participation of the user is useless. > > I'm not sure where I got GPE from, but it was from one of the > maemo-compatible repositories sometime between December and January > (inclusive!) Except for the installation of software from non-Nokia > sites, I've used the thing only as a normal user. I have an xterm, but > I haven't used it to modify anything on the N800 (yet). > > Does anyone have a clue what might have happened to cause this? > > Is there something I should avoid doing? > > Is it a known bug? > > Is there anything I can do to prevent this happening again? > > Is it likely to go away with more up-to-date software. OS2008? The > hacker edition of the system? > > -- hendrik